Home › NM360

NM360 Abrasion Resistant Steel Plate

330~400 HBW Quenched & Tempered General Wear Applications

Surface Hardness: 330 ~ 400 HBW

Chinese NM360 high strength abrasion resistant steel plate — engineered for moderate wear conditions in mining, construction, and heavy machinery. Meets GB/T 24186-2022 standard.

Extended Service Life

330-400 HBW hardness delivers exceptional wear resistance, 3-5x longer life than structural steel.

High Strength & Toughness

Tensile strength ≥1100 MPa, impact toughness -20°C ≥24J (D grade).

Excellent Workability

Can be cut, bent, and welded using standard procedures.

Decoding the Grade: NM360

N 耐磨 – Wear / Abrasion resistant

M 磨 – Abrasion reinforced

360 Typical Brinell Hardness (HBW)

International Standards & Comparisons

🇨🇳

China (GB/T 24186)

NM360 / NM360D/E

Chemical Composition (wt%, max unless range):
C ≤0.25, Si ≤0.70, Mn ≤1.60, P ≤0.025, S ≤0.015,
Cr ≤0.90, Ni ≤0.50, Mo ≤0.50, Ti ≤0.05, B 0.0005-0.006, Als ≥0.010

Hardness: 330~400 HBW (≤80mm)

Tensile: ≥1100 MPa

🇺🇸

USA (ASTM / AR Standard)

AR360 / AR360F

Typical Composition (wt%):
C 0.18-0.24, Si 0.20-0.60, Mn 0.70-1.60, P ≤0.025, S ≤0.010,
Cr 0.50-1.00, Ni ≤0.80, Mo 0.20-0.40, B 0.0005-0.005

Hardness: 330~400 HBW

🇩🇪

Germany (DILLINGER)

XAR® 360

Typical Composition (wt%):
C ≤0.20, Si ≤0.55, Mn ≤1.60, P ≤0.020, S ≤0.010,
Cr ≤1.0, Ni ≤0.8, Mo ≤0.3, B ≤0.004

Hardness: 330~400 HBW

🇸🇪

Sweden (SSAB)

Hardox® 400*

Typical Composition (wt%):
C 0.18-0.22, Si ≤0.70, Mn ≤1.60, P ≤0.025, S ≤0.010,
Cr ≤1.0, Ni ≤0.8, Mo ≤0.3, B ≤0.004

Hardness: 370~430 HBW (Hardox 400 approximate)

Note: NM360 provides an excellent balance of hardness, toughness and weldability for general wear applications. AR360/XAR360 are approximate commercial equivalents. Hardox 400 offers similar hardness range.

Domestic Grade Comparison (NM360 / NM360D / NM360E)

📋

NM360 (Standard)

Base Grade / General Wear Applications

Chemical Composition (wt%, max):
C ≤0.25, Si ≤0.70, Mn ≤1.60, P ≤0.025, S ≤0.015,
Cr ≤0.90, Ni ≤0.50, Mo ≤0.50, Ti ≤0.05, B 0.0005-0.006

Hardness: 330~400 HBW (≤80mm)
Tensile: ≥1100 MPa
Impact: Not guaranteed (by agreement)

❄️

NM360D (Low Temperature)

D Grade / -20°C Impact Toughness

Chemical Composition (wt%, max):
C ≤0.25, Si ≤0.70, Mn ≤1.60, P ≤0.020, S ≤0.010,
Cr ≤0.90, Ni ≤0.70, Mo ≤0.50, Ti ≤0.05, B 0.0005-0.006, Als ≥0.015

Hardness: 330~400 HBW (≤80mm)
Tensile: ≥1100 MPa
Impact: ≥24J @ -20°C (Longitudinal)
CEV ≤0.48 (≤50mm) / ≤0.60 (>50mm)

🧊

NM360E (Extra Low Temperature)

E Grade / -40°C Impact Toughness

Chemical Composition (wt%, max):
C ≤0.25, Si ≤0.70, Mn ≤1.60, P ≤0.020, S ≤0.010,
Cr ≤0.90, Ni ≤0.70, Mo ≤0.50, Ti ≤0.05, B 0.0005-0.006, Als ≥0.015

Hardness: 330~400 HBW (≤80mm)
Tensile: ≥1100 MPa
Impact: ≥24J @ -40°C (Longitudinal)
CEV ≤0.48 (≤50mm) / ≤0.60 (>50mm)

According to GB/T 24186-2022, NM360D and NM360E are low-temperature impact grades. D grade guarantees impact toughness ≥24J at -20°C, E grade guarantees ≥24J at -40°C.

Why Choose NM360 Wear Plate?

Superior Durability

Optimized low-carbon design with micro-alloying ensures exceptional abrasion resistance.

High Impact Toughness

≥24J at -20°C (D grade) or -40°C (E grade), ideal for cold climates.

Excellent Fabrication

Cutting, bending, drilling and welding with standard procedures.

Typical Applications

Mining & Quarrying

Dump truck bodies, chutes, hoppers, crusher liners

Construction Equipment

Excavator buckets, loader buckets, bulldozer blades, backhoe buckets

Heavy Transport

Tipper truck bodies, dump truck liners, trailer floors, railcar linings

Material Handling

Conveyor chutes, transfer points, silos, hoppers, wear liners

Customization Services

Cut-to-size / Precision cutting

Plasma / Laser / Waterjet cutting

Bending / Forming / Drilling

Surface treatment / Painting

Heat treatment (quenching & tempering)

Third-party inspection (SGS, BV)

Available Stock Sizes

Thickness (mm)	Width (mm)	Length (mm)	Stock Status
6 - 12	1500 - 2500	6000 - 12000	✓ In Stock
14 - 25	2000 - 2800	8000 - 12000	✓ In Stock
30 - 50	2000 - 3000	8000 - 12000	✓ In Stock
55 - 80	2000 - 3000	6000 - 10000	Made to Order
85 - 120	2000 - 3200	5000 - 9000	Made to Order

Chemical Composition (GB/T 24186-2022)

Grade	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	B	Als
NM360 (max)	≤0.25	≤0.70	≤1.60	≤0.025	≤0.015	≤0.90	≤0.50	≤0.50	≤0.05	0.0005-0.006	≥0.010
NM360D/E (max)	≤0.25	≤0.70	≤1.60	≤0.020	≤0.010	≤0.90	≤0.70	≤0.50	≤0.05	0.0005-0.006	≥0.015

Mechanical Properties

Grade	Thickness	Tensile (MPa)	Elongation %	Impact (J)	Hardness HBW
NM360	≤80mm	≥1100	≥12	—	330~400
NM360D	≤80mm	≥1100	≥12	≥24J @ -20°C	330~400
NM360E	≤80mm	≥1100	≥12	≥24J @ -40°C	330~400
NM360 (optional)	80~120mm	Negotiated	Negotiated	≥21J	270~340
Note: Tensile, elongation and impact are special requirements per GB/T 24186. For standard NM360, Brinell hardness is guaranteed.

Delivery: Quenched; Quenched + Tempered; TMCP + Tempered; or Hot Rolled (as agreed).

Technical FAQ

Welding methods?

SMAW, GMAW, FCAW. Preheat 100-150°C for thickness >20mm, low hydrogen practices.

Bending radius?

Transverse: 4t-5t, Longitudinal: 5t-6t.

Cutting methods?

Plasma, laser, waterjet, abrasive cutting. Standard procedures apply.

Hardness uniformity?

≤40mm uniform, 40-80mm slight core decrease within tolerance.

Max service temp?

Continuous ≤250°C, short peaks ≤300°C.

Impact at low temp?

D grade: ≥24J @ -20°C; E grade: ≥24J @ -40°C.

Request a Quote

Mill test certificate included · 24/7 support