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Manganese Steel Plate

Manganese Steel Plate
Material Category: High Manganese Wear-Resistant Steel
Standard Grade: ASTM A128 / IS 276 (Hadfield Steel)
Primary Characteristic: Superior Work-Hardening Capability
Hardness Profile: Increases from 200 HB to 500+ HB under Impact
Alloy Composition: 11% – 14% Manganese Content
Mechanical Edge: Extreme Toughness & Impact Absorption
Thickness Range: 3.0 mm to 50 mm
Primary Industries: Mining, Earthmoving, Shot Blasting, & Rail
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Manganese Steel Plates, frequently referred to as Hadfield Steel, are the ultimate solution for industrial environments characterized by severe impact and high-stress abrasion. Containing approximately 11% to 14% Manganese, this unique alloy possesses the remarkable ability to "work-harden" during service. While the core of the plate remains ductile and tough to absorb massive shocks, the surface rapidly hardens from an initial 200 HB to over 500 HB when subjected to repeated impact. This self-renewing wear surface makes it indispensable for heavy-duty mining equipment, rock crushers, and shot-blasting cabinets, where standard hardened steels would crack or wear away prematurely.

The metallurgical excellence of High Manganese Steel lies in its austenitic structure, which provides unmatched non-magnetic properties and high fracture toughness. Unlike typical abrasion-resistant (AR) plates that are hard from the moment of manufacture, Manganese steel thrives under the very conditions that destroy other materials—the more abuse it takes, the harder it becomes. This makes it the premier choice for railway components, grizzly bars, and cement plant liners. Its ability to maintain structural integrity under extreme gouging abrasion ensures that industrial operations can maintain peak productivity with significantly reduced downtime for component replacement.



Manganese Steel Plate Features

  • » Dynamic Work-Hardening: The material possesses the unique ability to increase its surface hardness from 200 HB to over 500 HB when subjected to heavy impact or high-stress loads.
  • » Extreme Impact Absorption: Unlike standard through-hardened steels, the austenitic core remains ductile, allowing the plate to absorb massive shocks without cracking or brittle failure.
  • » Self-Renewing Wear Surface: As the hardened surface layer wears away, the newly exposed underlying material immediately work-hardens, providing continuous protection throughout the plate's life.
  • » High Manganese Content (11%–14%): Specifically alloyed with a high concentration of Manganese to stabilize the austenite structure, which is essential for its work-hardening performance.
  • » Non-Magnetic Properties: The stable austenitic structure makes these plates non-magnetic, a critical feature for metal separator drums, magnet bottom plates, and electrical transformer housings.
  • » Superior Toughness: Exhibits exceptional fracture toughness and elongation, ensuring the material can withstand severe gouging abrasion without catastrophic structural failure.
  • » High Heat Resistance: Maintains its mechanical integrity and wear resistance better than standard carbon steels in moderately elevated temperature environments found in industrial processing.
  • » Versatile Fabrication: Can be cut using plasma or laser processes and joined using specific austenitic stainless steel or high-manganese electrodes to maintain joint toughness.

Manganese Steel Plate Specification

Standards

  • ASTM Standard: ASTM A128
  • Indian Standard: IS 276
  • International: DIN 1.3401
  • Common Name: Hadfield Manganese

Chemistry

  • Manganese (Mn): 11.0% – 14.0%
  • Carbon (C): 1.0% – 1.35%
  • Silicon (Si): 0.30% – 0.90%
  • Phosphorus (P): 0.07% Max

Hardness

  • Initial Hardness: 180 – 210 HB
  • Work Hardened: Up to 550 HB
  • Hardening Ratio: ~2.5x Increase
  • Ductility: High (Austenitic)

Properties

  • Tensile Strength: 800 – 1100 MPa
  • Elongation: 35% – 50%
  • Magnetic State: Non-Magnetic
  • Impact Value: 100J – 150J

Dimensions

  • Thickness: 3 mm to 50 mm
  • Width: 1000 mm to 2500 mm
  • Length: 2000 mm to 6000 mm
  • Custom Shapes: Profiles / Liners

Fabrication

  • Cutting: Plasma / Laser / Waterjet
  • Welding: EFeMn-A / SS 308L
  • Pre-heat: Not Recommended
  • Machining: Difficult (Grinding preferred)

Manganese Steel Plate Detailed Specifications

Property Specification
Thickness 5mm-150mm
Width 1000mm-4500mm
Length 3000mm-18000mm
Heat Treatment Rolling/Normalised, N, Q+T
Impact tested -52° C

Manganese Steel Plate Chemical Composition

C Mn Si S P
1.20% 12.00-14.00% 0.15% 0.020% 0.020%

Manganese Steel Plate Mechanical Properties

Tensile Strength N/mm² Yield Strength N/mm² Elongation % Hardness Brinell
880 320 40 200

Manganese Steel Plate Equivalent Grades

EURONORM DIN ASTM AFNOR
1.3401 – X120Mn13 W1.3401 A128 Gr B2 X120Mn13

Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
Jubail Industrial City
Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
Industrial supplier in Saudi Arabia
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Flange and valve supplier Saudi Arabia
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