nm400 AR Abrasion Resistant Steel (400 Brinell)

nm400 AR Abrasion Resistant Steel (400 Brinell)

1.High Strength Low Alloy Steel

Abrasion Resistant Steel

MAS300 AR | MAS400 AR | MAS450 AR | MAS500 AR

2.NM400 AR – Masteel’s designation for 400 brinell hardness abrasion resistant steel. As a martensitic hardenable abrasion resistant steel, MAS400 AR can be used in a variety of hard wearing applications where abrasive qualities and resistance to heavy surface pressure are critical.

Typical Applications

Mining industry machinery

Earth moving machinery

Heavy wear platforms

Industrial hoppers, funnels and feeders

3.NM400 AR is Masteel’s designation for abrasion resistant steel with 400 brinell hardness. The actual hardness ranges for this steel relating to particular thicknesses are provided below:

Grade Product Thickness (mm) Hardness Range (HBW)
NM400 AR Cut Lengths 2.5 – 6.4 360 – 420
NM400 AR Heavy Plates 5 – 15 360 – 420
NM400 AR Heavy Plates 15 – 30 360 – 450
NM400 AR Heavy Plates 30 – 60 360 – 480

NM400 AR is available in cut lengths of between 2.5 and 6.4mm thick and as heavy plates between 5-60mm thick. Masteel stock and can ship NM400 AR abrasion resistant steel to customers, worldwide.

5.Chemical Composition

Grade C Si Mn P
NM400 AR 0.25 0.7 1.70 0.025

Content % max unless otherwise stated. Aluminium and can titanium additionally used as a micro-alloy material.

6.Mechanical Properties

Grade Yield Strength
Tensile Strength
Impact Strength
Charpy V 20 J
NM400 AR 1000 1250 10 -40°C

Typical values based on 20mm plate thickness

(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

7.For information about MAS400 AR abrasion resistant steel or to receive a competitive and detailed quotation please contact us.