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High Strength Low Alloy Steel Home Page Abrasion Resistant Steel MAS300 AR | MAS400 AR | MAS450 AR | MAS500 AR |
MAS300 AR is Masteel's designation for 300 brinell hardness abrasion resistant steel.
The material is a martensitic hardenable steel grade which has excellent strength and hardness characteristics making it resistant to the effects of abrasion and also increased surface pressure.
The steel has a brinell hardness range of 270-390 HBW and has good weldability using conventional welding methods. Heat treatment is not recommended as the process will reduce the hardness, strength and abrasion resistance of the material.
Typical Applications
- Mining machinery
- Earth moving machinery
- Platform structures
- Feeders, hoppers and funnels
Masteel UK Limited can supply MAS300 AR in cut lengths of between 2.5 and 80mm and we can ship to any destination worldwide from our UK steel warehouse. Please refer to chemical composition and mechanical properties for MAS300 AR abrasion resistant steel below.
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo | B |
| MAS300 AR | 0.18 | 0.7 | 1.70 | 0.025 | 0.015 | 1.50 | 0.40 | 0.5 | 0.005 |
Content % max unless otherwise stated. Aluminium and can titanium additionally used as a micro-alloy material.
Mechanical Properties
| Grade | Yield Strength MPa |
Tensile Strength MPa |
Elongation A |
Impact Strength Charpy V 20 J |
| MAS300 AR | 900 | 1000 | 11 | -40°C |
Typical values based on 8mm plate thickness
(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)
For information about MAS300 AR abrasion resistant steel or to receive a competitive and detailed quotation please click here to contact us.
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Masteel UK Limited,
The Cedars, Coton Road,
Nether Whitacre, Coleshill,
Birmingham, West Midlands
B46 2HH
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