Zhongji Metal
Diverse Product Range · Reliable Quality · Tailored Solutions
Covering various types of steel products such as steel pipes, steel plates, steel coils, steel bars, and structural steel
meeting the diverse needs of different industries.
Product Description
Material Grades: NM360, NM400, NM450, NM500, HARDOX 400/450/500.
Chemical Composition Example (NM400): C 0.18–0.25%, Mn 1.0–1.6%, Cr 0.3–1.2%, Mo 0.25–0.35%.
Hardness: 360–500 HBW depending on grade.
Thickness: 6–100 mm; Width: 1500–2500 mm; Length: up to 12,000 mm.
Mechanical Properties:
Tensile strength: 1,250–1,600 MPa
Yield strength: ≥ 1,000 MPa
Charpy impact at -40°C: ≥ 24 J
Wear Resistance: Up to 8 times longer service life than mild steel in ASTM G65 abrasion test.
Applications & Advantages
Applications:
Excavator and loader buckets
Dump truck bodies and liners
Chutes, hoppers, crushers in mining and cement industries
Agricultural ploughshares and blades
Advantages:
Exceptional resistance to wear and impact
Reduces downtime and maintenance costs
Retains toughness even at sub-zero temperatures
Can be cut, welded, and drilled with proper procedures
Example Case: HARDOX 450 plates in a coal chute extended replacement intervals from 6 months to over 3 years.
Manufacturing Process & Standards
Process:
Steelmaking with controlled alloy addition
Hot rolling to thickness
Quenching and tempering for hardness and toughness
Cutting and surface finishing
Standards: EN 10083, GB/T 24186, ASTM G65 (wear testing).
Inspection: Hardness test (Brinell), ultrasonic flaw detection, dimensional check.
Packaging: Bundled with protective edge guards, loaded onto steel pallets, covered for moisture protection.
Product Real Shot

Packaging and Shipping

FAQ
Q1: What product information must I provide before making a purchase?
A: Please provide the material, size, surface treatment requirements, and the quantities you need.
A: Prices may vary due to fluctuations in raw material costs.
Q3: Is it possible to send samples?
A: Yes, we offer free samples with express shipping worldwide.
Q4: Do you offer a service for customized products?
A: Yes, we can supply according to your specific requirements.
Q5: Can I visit you in person?
A: Customers from all over the world are welcome to meet with us.
Q6: Can you assist me in importing steel products for the first time?
A: Yes, we can provide support through our experienced shipping agents.
Contact Us
PRODUCT
CONTACT US
Reliable Quality – All products are made with premium raw materials, advanced equipment, and strict quality inspections before delivery.
Compliance Guarantee – Specifications strictly follow technical agreements, ensuring products are free from defects in design, materials, and workmanship.
After-sales Service – Dedicated teams provide timely response, technical consultation, and long-term support.
Global Commitment – We serve clients in over 50 countries with consistent quality and reliable service.

First class quality service and professional after-sales team.
*We respect your confidentiality and all information are protected.