Chemical Analysis
Spectrometer testing (OES) to verify manganese, carbon, silicon and other alloying elements against the specified grade.
Manganese Steel Castings
Built for demanding Industrial Applications. Explore Manganese Steel Casting solutions from Bhanu Special Castings.
About This
Why
Manganese Steel Castings?
Manganese steel castings are wear-resistant components manufactured from high-manganese alloy steel, typically designed for applications involving repeated impact, crushing, compression and abrasive contact.
UNDERSTANDING
Austenitic Manganese Steel
Conventional Hadfield steel generally contains approximately 11–14% manganese and 1.0–1.4% carbon, with exact chemistry depending on the selected material grade.
Following appropriate solution heat treatment and rapid cooling, the material develops a predominantly austenitic microstructure. Its distinguishing characteristic is the ability to increase surface hardness through plastic deformation during service.
PART 6 ───
Interactive Country-Wise Chemical Composition Tables
Select a country to explore its manganese steel grades and indicative chemical composition.
IS 276:2000 — Austenitic Manganese Steel Castings
| Grade | C % | Si % | Mn % | P % | Cr % | Ni % | Mo % |
|---|---|---|---|---|---|---|---|
| Gr 1 | 1.10–1.30 | ≤0.50 | 12.0–14.0 | ≤0.10 | — | — | — |
| Gr 2 | 0.90–1.05 | ≤0.50 | 11.5–14.0 | ≤0.10 | — | — | — |
| Gr 3 | 1.05–1.35 | ≤0.80 | 11.5–14.0 | ≤0.10 | 1.5–2.5 | — | — |
| Gr 4 | 0.70–1.30 | ≤0.80 | 11.5–14.0 | ≤0.10 | — | 3.0–5.0 | — |
| Gr 5 | 1.05–1.45 | ≤0.80 | 11.5–14.0 | ≤0.10 | — | — | 1.8–2.1 |
| Gr 6 | 1.05–1.35 | ≤0.80 | 16.0–19.0 | ≤0.10 | — | — | — |
| Gr 7 | 1.05–1.35 | ≤0.80 | 11.5–14.0 | ≤0.10 | 1.5–2.5 | — | 1.0–2.0 |
ⓘ Reference values carried over from your JSX draft, not yet fully validated against the official standards. Use the authorized edition for contractual chemical composition limits.
ASTM A128/A128M — Austenitic Manganese Steel Castings
| Grade | C % | Mn % | Si % | P % | Cr % | Ni % | Mo % |
|---|---|---|---|---|---|---|---|
| A | 1.05–1.35 | ≥11.0 | ≤1.00 | ≤0.07 | — | — | — |
| B-1 | 0.90–1.05 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | — |
| B-2 | 1.05–1.20 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | — |
| B-3 | 1.12–1.28 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | — |
| B-4 | 1.20–1.35 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | — |
| C | 1.05–1.35 | 11.5–14.0 | ≤1.00 | ≤0.07 | 1.5–2.5 | — | — |
| D | 0.70–1.30 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | 3.0–4.0 | — |
| E-1 | 0.70–1.30 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | 0.9–1.2 |
| E-2 | 1.05–1.45 | 11.5–14.0 | ≤1.00 | ≤0.07 | — | — | 1.8–2.1 |
| F | 1.05–1.45 | 6.0–8.0 | ≤1.00 | ≤0.07 | — | — | 0.9–1.2 |
ⓘ Reference values carried over from your JSX draft, not yet fully validated against the official standards. Use the authorized edition for contractual chemical composition limits.
DIN / EN — Manganese Steel Designations
| Designation | Material No. | C % | Si % | Mn % | P % | S % | Alloy |
|---|---|---|---|---|---|---|---|
| G-X 120 Mn 13 | 1.3401 | 1.10–1.30 | ≤0.50 | 12.0–14.0 | ≤0.07 | ≤0.04 | — |
| G-X 120 MnCr 13-2 | — | 1.10–1.30 | ≤0.50 | 12.0–14.0 | ≤0.07 | ≤0.04 | Cr: 1.5–2.5 |
| G-X 120 MnMo 7-1 | — | 0.80–1.00 | ≤0.50 | 6.0–8.0 | ≤0.07 | ≤0.04 | Mo: 0.9–1.2 |
| G-X 120 MnNi 13-3 | — | 0.70–1.00 | ≤0.50 | 12.0–14.0 | ≤0.07 | ≤0.04 | Ni: 3.0–4.0 |
ⓘ Reference values carried over from your JSX draft, not yet fully validated against the official standards. Use the authorized edition for contractual chemical composition limits.
GB/T 5680 — High Manganese Steel Castings
| Grade | C % | Si % | Mn % | P % | S % | Notes |
|---|---|---|---|---|---|---|
| ZGMn13-1 | 1.05–1.35 | 0.30–0.80 | 11.0–14.0 | ≤0.06 | ≤0.04 | General grade |
| ZGMn13-2 | 1.05–1.35 | 0.30–0.80 | 11.0–14.0 | ≤0.06 | ≤0.04 | Controlled chemistry |
| ZGMn13-3 | 0.75–1.05 | 0.30–0.80 | 11.0–14.0 | ≤0.06 | ≤0.04 | Lower carbon |
| ZGMn13-4 | 0.90–1.20 | 0.30–0.60 | 11.0–14.0 | ≤0.06 | ≤0.04 | Impact applications |
| ZGMn13Cr2 | 1.00–1.30 | 0.30–0.80 | 11.0–14.0 | ≤0.06 | ≤0.04 | Cr-modified |
| ZGMn13MoRe | 0.90–1.30 | 0.30–0.80 | 11.0–14.0 | ≤0.06 | ≤0.04 | Mo / RE modified |
ⓘ Reference values carried over from your JSX draft, not yet fully validated against the official standards. Use the authorized edition for contractual chemical composition limits.
JIS G 5131 — High Manganese Steel Castings
| Grade | C % | Si % | Mn % | P % | Notes |
|---|---|---|---|---|---|
| SCMnH1 | 0.90–1.05 | ≤0.80 | 11.0–14.0 | ≤0.07 | Standard grade |
| SCMnH2 | 1.05–1.20 | ≤0.80 | 11.0–14.0 | ≤0.07 | Standard Hadfield |
| SCMnH3 | 1.20–1.35 | ≤0.80 | 11.0–14.0 | ≤0.07 | Higher carbon |
| SCMnH11 | 1.05–1.20 | ≤0.80 | 11.0–14.0 | ≤0.07 | Chromium-modified |
| SCMnH21 | 0.70–1.10 | ≤0.80 | 11.0–14.0 | ≤0.07 | Molybdenum-modified |
ⓘ Reference values carried over from your JSX draft, not yet fully validated against the official standards. Use the authorized edition for contractual chemical composition limits.
PART 7 ───
OUR PRODUCTS & SUBPRODUCTS
Precision-Cast Wear Components
for Heavy-Duty Equipment
Manganese steel castings are widely used in crushing, mining, quarrying and material-processing equipment. Each application requires components with suitable geometry, alloy chemistry, dimensional accuracy and wear characteristics.
Our product classification helps customers identify individual components and submit enquiries with their equipment specifications.
01Jaw Crusher Wear Parts
Jaw Crusher Wear Parts
Jaw crusher wear components are designed to withstand compressive forces and repeated impact during primary crushing operations.
Subproducts
Fixed jaw plates, movable or swing jaw plates, corrugated jaw plates, standard tooth profiles, quarry tooth profiles, super tooth profiles, heavy-duty jaw dies and cheek plates.
Material options
Mn13, Mn18 and modified grades, subject to application and component specifications.
02Cone Crusher Wear Parts
Cone Crusher Wear Parts
Cone crusher wear components form the crushing chamber and are exposed to compression, abrasion and repeated material contact.
Subproducts
Mantles, concaves, bowl liners, standard chamber liners, medium chamber liners, fine chamber liners, short-head liners and custom crushing profiles.
Material options
Mn13, Mn18, Mn18Cr2 and other application-specific alloys.
03Gyratory Crusher Wear Parts
Gyratory Crusher Wear Parts
Gyratory crusher components are used in large-capacity crushing equipment, particularly in mining and mineral processing.
Subproducts
Gyratory mantles, concave segments, upper concave segments, middle concave segments, lower concave segments and crushing chamber liners.
Material options
High-manganese and modified manganese steel grades selected according to loading and wear conditions.
04Impact Crusher Wear Parts
Impact Crusher Wear Parts
Impact crusher components experience high-speed contact with feed material and require careful alloy selection.
Subproducts
Blow bars, impact plates, breaker plates, apron liners, side liners and impact wear segments.
Material options
Manganese steel where impact conditions justify its use; high-chromium iron and martensitic steel are alternative materials for many blow-bar applications.
05Hammer Crusher & Hammer Mill Parts
Hammer Crusher & Hammer Mill Parts
Hammer mill components are subjected to repetitive impact during size reduction of minerals and other industrial materials.
Subproducts
Crusher hammers, hammer heads, hammer mill liners, grate bars, breaker plates and side liners.
Material options
High-manganese steel for suitable impact applications; other wear-resistant alloys may be required depending on the equipment.
06Roll Crusher Wear Parts
Roll Crusher Wear Parts
Roll crusher wear parts support controlled material reduction through compression and, in some designs, shearing action.
Subproducts
Roll shells, toothed roll segments, replaceable crushing teeth, roll wear segments and associated liners.
Material options
Application-dependent manganese steel or alternative wear alloys.
07Grinding Mill Wear Parts
Grinding Mill Wear Parts
Grinding mill liners protect mill structures and influence the movement of grinding media and processed material.
Subproducts
Ball mill shell liners, rod mill liners, lifter bars, grate plates, end liners and discharge liners.
Material options
Manganese steel for suitable duties, along with other cast alloy and engineered liner materials.
08Mining & Material Handling Wear Parts
Mining & Material Handling Wear Parts
Mining and material-handling systems require components capable of handling impact, abrasive material flow and heavy operating loads.
Subproducts
Grizzly bars, chute liners, apron feeder pans, impact wear plates, selected bucket or dipper components and custom wear castings.
Material options
Manganese steel or alternative wear alloys depending on service conditions.
09Custom Manganese Steel Castings
Custom Manganese Steel Castings
Custom Casting Solutions Based on Your Engineering Requirements. Every industrial application has unique loading conditions, equipment geometry and wear challenges. Custom castings can be developed using approved drawings, dimensional specifications, existing patterns or suitable component samples.
Information required
Component drawing, equipment model, material grade, approximate weight, quantity, operating conditions and special inspection requirements.
Material options
Material selection and inspection requirements agreed against the component application and purchase specification.
Metallurgy • Austenite • Carbides • Grain Structure
Understanding the Microstructure of Manganese Steel
The performance of manganese steel is closely related to its internal microstructure. Chemical composition, casting conditions and heat treatment influence the phases and their distribution.
Conventional Hadfield manganese steel should have a predominantly austenitic microstructure after proper heat treatment, providing high toughness, ductility and work-hardening capacity.
Austenitic Microstructure
Austenite is a face-centred cubic (FCC) structure stabilized by manganese, carbon and other alloying elements. The austenitic matrix provides excellent toughness, ductility and the ability to work-harden under impact.
Carbide Formation and Distribution
Carbides may form during solidification and cooling. In the as-cast condition, they can appear within grains or along grain boundaries. Excessive or continuous carbide networks may reduce ductility, so proper solution heat treatment is essential.
Solution Heat Treatment and Quenching
01
As-Cast
Austenite with possible carbide segregation.
02
Solution Treatment
Dissolution of suitable carbides.
03
Rapid Quenching
Retention of the desired austenitic condition.
Grain Structure and Grain Boundaries
Manganese steel consists of austenitic grains separated by grain boundaries. Grain size, segregation and grain-boundary phases influence strength, toughness and crack propagation.
Microstructural Changes During Work-Hardening
Initial Austenitic Structure
Tough, ductile matrix with relatively low initial hardness.
Repeated Impact and Deformation
Dislocations accumulate; deformation twinning may occur.
Work-Hardened Surface
Higher surface hardness while retaining a tough core.
Why Microstructural Inspection Matters
Metallographic examination helps identify undesirable carbide distribution, segregation and grain structure. It supports quality assurance, especially when heat-treatment effectiveness or material condition must be verified.
The microstructure of manganese steel plays a critical role in its toughness, work-hardening behavior and resistance to impact-related wear.
QUALITY ASSURANCE & INSPECTION
Quality Considerations
at Every Stage
A dependable manganese steel casting must meet more than a chemical composition target. Quality also depends on casting soundness, heat treatment, dimensional conformity, surface condition and the inspection requirements agreed with the customer.
A Systematic Approach to Reliable Castings
Comprehensive inspection and testing help ensure material integrity, dimensional accuracy and consistent performance in service.
Dimensional Inspection
Verification of critical dimensions, profiles and fitting requirements as per drawings and specifications.
Visual Inspection
Identification of visible casting defects such as surface cracks, blowholes, misruns and other discontinuities.
Mechanical & Hardness Testing
Tensile, Brinell hardness and impact testing to evaluate strength, ductility and toughness, where specified.
Non-Destructive Testing
Dye penetrant, ultrasonic or radiographic testing as applicable, to detect surface and internal discontinuities.
Metallurgical Examination
Microstructural verification to assess austenitic structure, grain boundaries, carbide distribution and heat-treatment effectiveness.
Identification & Traceability
Heat numbers and records according to the agreed documentation system, including relevant test reports and certificates.
Testing methods and acceptance criteria depend on the applicable standard, customer specifications and available inspection facilities. Specialized tests may be performed when required.
Specific tests and certificates should be described as available from BSCPL only after confirmation.
REQUEST FOR QUOTATION (RFQ)
Request a Quote for
Manganese Steel Castings
Looking for manganese steel wear components for your crusher, mining equipment or industrial application?
Share your technical requirements with Bhanu Special Castings. Include your component drawing, equipment model, preferred material grade and quantity to help our team review your enquiry.
Share Your Requirements
Upload drawings or share technical details of your component.
Get Expert Support
Our team reviews your requirements and suggests suitable grades and options.
Application-Focused Quotations
Receive a detailed quotation based on your specifications and required quantity.
Reliable Partnership
Engineering support for your industrial and mining applications.
Important Note
Share the applicable drawing, material grade and inspection requirements. Our team will review your enquiry and contact you to discuss the quotation.
Submit Your Enquiry
Fill in the details below to request a quotation for manganese steel castings.
Key Material Characteristics
Excellent Impact Toughness
Designed to withstand heavy impact and repeated loading in demanding applications.
Work-hardening Capability
Surface hardness increases as the material undergoes repeated deformation.
Application-specific Alloys
Composition and heat treatment can be selected according to service conditions.
Complex Casting Geometries
Suitable for many crusher liner profiles and heavy industrial wear components.
The Work-Hardening Advantage
Initial Condition
How Manganese Steel Becomes Harder During Service
One of the most valuable properties of austenitic manganese steel is its ability to work-harden. When crushing forces, impact loads or repeated deformation act on a manganese steel component, the surface undergoes strain-hardening. This increases resistance to further deformation and can improve wear performance in suitable service environments.
185–250
HBW, indicative
Work-Hardened Surface
400+
HBW possible
Why work-hardening matters
In impact-loaded crushers, manganese steel develops a harder working surface while retaining a tough core. This combination helps resist cracking, deformation and abrasive wear during service.
Important consideration
Manganese steel is not automatically the best material for every abrasive environment. Low-impact sliding abrasion may favor alternative alloys such as high-chromium white iron or hardened alloy steels.
Key TakeawayHigher manganese content does not always mean better wear life. Correct material selection is more important than choosing the highest alloy percentage. | GRADE SELECTION DEPENDS ON: ⚙ Crusher type ◇ Feed material |
INTERNATIONAL STANDARDS & GRADE SPECIFICATIONS
Manganese Steel Grades
Across International Standards
Manganese steel castings are classified under different national and international material standards. These specifications define chemical composition limits, alloy modifications and applicable material requirements.
Understanding these standards helps manufacturers, equipment suppliers and industrial buyers identify suitable grades for their applications.
◎ Cross-Reference: Equivalent Standards Worldwide
| Country / Region | Standard | Representative Grade Designations |
|---|---|---|
| 🇮🇳 India | IS 276 | Grades 1–7 |
| 🇺🇸 USA | ASTM A128 / A128M | A, B-1 to B-4, C, D, E-1, E-2, F |
| 🇩🇪 Germany | DIN / SEW designations | G-X 120 Mn 13, alloy variants |
| 🇪🇺 International / Europe | ISO 13521 | GX120Mn13 and related designations |
| 🇨🇳 China | GB/T 5680 | ZGMn13 series and alloy variants |
| 🇯🇵 Japan | JIS G 5131 | SCMnH series |
| 🇬🇧 United Kingdom | BS 3100 | BW10 |
| 🇫🇷 France | NF A32-058 | Z 120 M 12 |
| 🇮🇹 Italy | UNI designations | G X 120 Mn 12 |
| 🇦🇺 Australia | AS 2074 | H1A, H1B |
| 🇿🇦 South Africa | SABS 407 | Grade series |
| 🇷🇺 Russia | GOST 977 | 110G13L |
| 🇪🇸 Spain | UNE 36-253 | AM-X 120 Mn 12 and variants |
| 🇸🇪 Sweden | SS designations | 21 83 series |
| 🇳🇴 Norway | NS 1699 | St Mn 12 |
| 🇰🇷 South Korea | KS D 4101 | SCMnH |
ⓘ This table is a standards-navigation reference, not a declaration of exact grade equivalence, current edition validity or BSCPL certification. All rows require verification against the applicable standard and purchase specification before use.
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FROM ENGINEERING TO DISPATCH How Manganese Steel Castings | Manufacturing high-quality manganese steel castings requires coordination between pattern development, mould preparation, melting, metallurgical control, heat treatment and final inspection. The process below is a proposed technical workflow. Specific BSCPL production procedures should be confirmed internally before describing them as universal company practice. |
01 ▤ Engineering Review & Material SelectionEvaluate the component drawing, operating conditions, dimensions, wear mechanism and customer requirements to identify the appropriate casting material. | 02 ▱ Pattern DevelopmentDevelop or inspect patterns according to component geometry, casting allowances, machining requirements and moulding method. | 03 ⚙ Moulding & Core PreparationPrepare moulds and cores using suitable moulding materials and processes, taking account of casting size, shape and surface-finish requirements. | 04 ♨ Charge Preparation & MeltingSelect and calculate the metallic charge and alloy additions. Melt the charge under controlled conditions appropriate for the selected manganese steel composition. |
05 ⚗ Chemical Composition VerificationEvaluate molten-metal chemistry against the applicable material specification and make permitted adjustments before casting. | 06 ↘ Molten Metal PouringPour molten steel into prepared moulds using a suitable pouring practice that considers temperature, casting geometry and mould requirements. | 07 ♨ Solidification, Cooling & ShakeoutAllow the casting to solidify and cool according to the established production procedure before removing the moulding material. | 08 ⚒ Fettling & Preliminary FinishingRemove gating and riser material where appropriate, clean the casting and perform preliminary finishing operations. |
09 ≋ Solution Heat Treatment & Water QuenchingApply the grade-appropriate solution treatment and rapid quenching process to develop the required austenitic structure and toughness. Exact temperatures, soaking times and cooling practices depend on the specification and casting section. | 10 ☑ Quality Inspection & TestingInspect the finished casting against applicable chemical, dimensional, visual and other agreed acceptance requirements. | 11 ▣ Final Finishing, Identification & DispatchComplete any specified machining, finishing, marking, documentation and packaging before delivery. |
ⓘ This is a general technical workflow for manganese steel castings. Items should be marked as BSCPL practice only after confirmation from the company’s production or catalogue records.
PART 9 ───── Mechanical & Physical Properties Typical Properties of |
| Property | Indicative value / characteristic |
|---|---|
| Conventional manganese content | Approximately 11–14% |
| Conventional carbon content | Approximately 1.0–1.4% |
| Ultimate tensile strength | Approximately 650–1,000 MPa |
| Yield strength | Approximately 350–450 MPa |
| Elongation | Approximately 20–50% |
| Elastic modulus | Approximately 190–210 GPa |
| Initial hardness | Approximately 185–250 HBW |
| Work-hardened surface hardness | Can exceed 400 HBW |
| Microstructure | Predominantly austenitic after suitable heat treatment |
| Impact resistance | High under appropriate service conditions |
| Ductility | Grade- and process-dependent |
| Magnetic behavior | Generally low magnetic response in fully austenitic condition |
| Density | Approximately 7.8–7.9 g/cm³ |
| Heat treatment | Grade-appropriate solution treatment and rapid quenching |
ⓘ General engineering reference only. These are not guaranteed BSCPL test results or contractual minimum properties.
EFFECT OF ALLOYING ELEMENTS
Role of Key Elements
in Manganese Steel
Alloying elements influence the structure, mechanical properties and wear behaviour of manganese steel castings.
C Carbon (C)Influences strength, work-hardening behavior, carbide formation and toughness. | Mn Manganese (Mn)Stabilizes the austenitic structure and contributes to the characteristic behavior of Hadfield steel. |
Cr Chromium (Cr)Used in modified compositions to influence wear and deformation characteristics. | Mo Molybdenum (Mo)May improve selected properties and assist alloy design for demanding casting sections. |
Ni Nickel (Ni)An austenite-stabilizing addition used in certain specialized compositions. | P Phosphorus (P)An impurity that requires control because excessive levels can adversely affect casting integrity. |
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