Extend Equipment Life & Reduce Downtime with High-Performance NM400/500 Wear Plates

Introduction

NM400 wear plate, together with NM450 and NM500 grades, is a quenched and tempered abrasion resistant steel plate designed for applications exposed to continuous wear, impact, and material abrasion. NM400 is the most commonly specified grade within the NM series for mining equipment, construction machinery, and bulk material handling systems requiring stable wear resistance and structural reliability.

CJM supplies NM400 wear plates with consistent mechanical performance, standard stock thicknesses, and optional cutting services. NM450 and NM500 wear plates are also available for applications requiring higher hardness or more severe abrasion conditions.

NM400 / NM450 / NM500 Wear Plates Product Parameters

Product Type	Wear-Resistant Steel Plates
Grades	NM400 / NM450 / NM500
Thickness	2-100mm or Customer’s request
Width	1000-3000mm / 1250mm / 1500mm / 2000mm / customized
Length	2000–12000 mm or as required
Application	Mining equipment, construction machinery, crushers, hoppers, truck bodies
Surface Condition	Black surface or shot-blasted
Delivery Condition	Quenched and Tempered (Q&T)
Packing	Strong sea-worthy package
Supply Capability	Plates, cut-to-size parts, OEM processing
Standard stock	Common thicknesses available
MOQ	Flexible, suitable for both project and wholesale orders

For ASTM-grade alternatives, see AR400 / AR450 / AR500 Abrasion Resistant Steel Plate.

Chemical Composition of NM400 / NM450 / NM500 Wear Plates

Below are the detailed chemical compositions of NM400, NM450, and NM500 steel plates, ensuring consistent quality and traceability for buyers.

Grade	c	Si	Mn	P	S	Al	Cr+Ni+Mo	Nb+V+Ti
NM400	0.10-0.40	0.20-0.40	1.00-2.00	Max 0.015	Max 0.003	Min 0.020	Max 0.9	Trace Amount
NM450	0.10-0.40	0.20-0.40	1.00-2.00	Max 0.015	Max 0.003	Min 0.020	Max 1.2
NM500	0.10-0.40	0.20-0.45	1.00-2.00	Max 0.015	Max 0.003	Min 0.020	Max 1.5

Mechanical Properties of NM Series Wear Plates

CJM assists buyers in selecting the most cost-effective grade based on working conditions, wear intensity, and fabrication requirements.

• NM400 wear plate is recommended for applications requiring good abrasion resistance with easier cutting and forming, such as buckets, liners, and general wear parts.
• NM450 wear plate offers a balance between hardness and service life, suitable for medium to heavy abrasion environments.
• NM500 wear plate is designed for severe wear conditions where maximum hardness and extended service life are required, such as crusher liners and dump truck bodies.

For applications requiring even higher hardness levels, please refer to NM550/NM600 Steel Plate product page.

The following mechanical properties explain why NM400, NM450, and NM500 wear plates are widely selected for high-wear environments.

Grade	Size(mm)	RP0.2(Mpa)	Rm(Mpa)	A50(%)	AKV,(ºC)	KV2(J)			HBW
NM400	100	1233	1337	15	-20	35	37	42	415
NM450	60	1345	1434	9.5	-20	72	59	58	455
NM500	50	1608	1706	10.5	-20	43	50	45	495

Key Features of NM400 / NM450 / NM500 Wear Plates

1. Excellent Wear Resistance
   ‌NM-series wear plates deliver significantly longer service life than mild steel under abrasive working conditions, reducing equipment downtime and replacement frequency.
2. Balanced Hardness and Toughness
   ‌Controlled quenching and tempering ensures high hardness while maintaining sufficient impact resistance, allowing the plates to perform reliably in dynamic load environments.
3. Stable Performance in Heavy-Duty Applications
   ‌NM400, NM450, and NM500 wear plates are suitable for continuous abrasion, impact loading, and moderate elevated-temperature wear environments commonly found in mining and construction operations.
4. Processing Flexibility
   ‌NM-series wear plates are suitable for cutting, welding, bending, and machining when proper procedures are followed, making them ideal for fabricated wear parts and structural components.

These features make NM400/NM450/NM500 steel plates the material of choice for construction, quarrying, and heavy transport industries.

Applications of NM400 / NM500 Wear Plates

NM-series wear plates are widely used in industries where abrasion resistance is critical:

• Mining & Quarrying: Crusher liners, loader buckets, dumper truck bodies.
• Construction: Concrete mixers, bulldozer blades, road paving equipment.
• Material Handling: Coal conveyors, hoppers, chutes, and silos.
• Energy Industry: Power plant coal pulverizers, high-temperature abrasion environments.

Using NM500 wear plate allows thinner plate design while maintaining durability, which can help improve payload efficiency and reduce overall equipment weight.

For practical examples and selection guidance, see NM400 / NM450 / NM500 wear plates for mining and quarry equipment covering crushers, loaders, dump trucks, and bulk material handling systems.

Package & Shipment

• Type: Standard Seaworthy Packing
• Delivery time: 7-15 Days After We Get The Payment
• Size: Based On Orders
• Packaging Details: As Customer Requirement
• Availability: Large inventory ready for global export

As a reliable NM-series wear plates exporter from China, CJM provides stable supply, export documentation support, and OEM processing services to meet international project requirements.

Why Choose CJM as Your NM400/NM500 Steel Plate Supplier?

CJM supplies NM400, NM450, and NM500 wear plates for global customers with consistent quality control and reliable delivery. Our products are shipped to over 40 countries with certifications such as ISO 9001, SGS, and BV.

• Competitive Pricing: Competitive wear plate pricing based on stable stock, optimized sourcing, and flexible order quantities.
• Certified Quality: ISO 9001, SGS certified with full mill test certificates.
• Reliable Delivery: Fast, reliable delivery worldwide, with customization options to meet your project requirements.
• Global Reach: Exported to 40+ countries across Asia, Europe, Middle East, Africa, and Americas.
• Wide Range of Stock: We have a large inventory for immediate shipment.
• Customized Service: Cutting, bending, welding services tailored to project needs.

FAQs About NM400/NM500 Steel Plates

• Q1: What is NM400 wear plate mainly used for?
  A: NM400 wear plate is commonly used in mining equipment, construction machinery, and material handling systems where stable abrasion resistance and good fabrication performance are required.
• Q2: Is NM400 wear plate suitable for cutting and welding?
  A: Yes. NM400 wear plate can be cut, welded, and formed using proper procedures, making it suitable for fabricated wear parts such as buckets, liners, and chutes.
• Q3: What thickness range is available for NM400 wear plate?
  A: NM400 wear plates are commonly supplied in thicknesses from 2 mm to 100 mm, with standard sizes available from stock and cut-to-size options upon request.
• Q4: What is the difference between NM400 and NM500 wear plates?
  A1: NM500 wear plate offers higher hardness and abrasion resistance than NM400, making it suitable for more severe wear conditions, while NM400 is easier to process and widely used for general wear parts.
• Q5: Are NM500 wear plates suitable for high-impact applications?
  A2: Yes. NM500 combines high hardness with controlled toughness, allowing it to perform under both abrasion and moderate impact conditions when properly applied.
• Q6: How does CJM ensure competitive wear plate price?
  A3: By maintaining large stock and direct supplier channels, we provide cost-effective abrasion resistant steel plates without sacrificing quality.

Request a Quote

Looking for NM400, NM450, or NM500 wear plates for your project?

Contact CJM to discuss specifications, quantities, and processing requirements.

Request a Quote

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment