GB: NM360, NM400, NM450, NM500, NM550, NM600

EN: XAR360, XAR400, XAR450, XAR500

ASTM: AR235, AR400, AR450, AR500

2. Typical Mechanical Properties

- NM360: Yield Strength ≥800MPa, Tensile Strength 1000-1200MPa, Elongation ≥10%, Hardness 340-380 HBW

- NM400: Yield Strength ≥850MPa, Tensile Strength 1050-1250MPa, Elongation ≥9%, Hardness 380-420 HBW

- NM450: Yield Strength ≥900MPa, Tensile Strength 1100-1300MPa, Elongation ≥8%, Hardness 430-470 HBW

- NM500: Yield Strength ≥950MPa, Tensile Strength 1150-1350MPa, Elongation ≥7%, Hardness 480-520 HBW

- AR500: Yield Strength ≥900MPa, Tensile Strength 1100-1300MPa, Hardness 470-530 HBW

3. Chemical Composition (Max Mass Fraction, %)

C≤0.32, Si≤0.70, Mn≤1.60, P≤0.025, S≤0.015, Cr≤1.40, Mo≤0.60, B trace. Alloy elements are added to ensure high hardness and wear resistance.

4. Size Range

Thickness: 4mm-120mm; Width: 1500mm-3200mm; Length: 2000mm-12000mm. Custom cutting and special dimensions are available as requested.

5. Delivery Condition & Quality Assurance

Delivery Condition: Quenched and Tempered (Q&T)

Surface Treatment: Mill finish, shot blasted, anti-rust painted

Quality Control: Strict hardness test, dimensional inspection and ultrasonic testing. Complete mill test certificates are provided, and full product traceability is supported.