Abrasion Resistant Steel Plates – Rock Hard 400 / 450 / 500

High-performance abrasion-resistant steel plates, Rock Hard 400, 450, and 500, are designed to withstand wear and tear in harsh industrial settings. Compared to traditional steel, these plates greatly increase the service life of components and are perfect for applications involving continuous friction, impact, and wear. Rock Hard plates are ideal for industries including mining, earthmoving, construction, cement, and recycling because of their ideal design, which strikes a balance between hardness, toughness, and workability.

Grades and Their Benefits:

Salient Features:

• Exceptional resistance to abrasive wear and surface damage

• Uniform hardness distribution throughout the plate

• High impact strength to handle heavy-duty operations

• Reliable machinability and weldability

• Optimized for cold forming and plasma/laser cutting

Mechanical Properties:

• Hardness:

  • Rock Hard 400: 360–440 HBW

  • Rock Hard 450: 420–480 HBW

  • Rock Hard 500: 470–540 HBW

• Yield Strength: ~1000–1400 MPa

• Tensile Strength: ~1250–1800 MPa

• Elongation: 8–14%

• Density: ~7.85 g/cm³

Workability:

• Weldability: Good, with proper preheating and low-hydrogen electrodes

• Forming: Excellent cold formability, especially for Rock Hard 400 and 450

• Machining: Use of carbide tools is recommended for high hardness grades

Size Range (Standard & Custom Orders):

• Thickness: 6 mm – 100 mm

• Width: Up to 2500 mm

• Length: Up to 12000 mm

• Custom cuts, drilled holes, and profiled shapes available on request

Equivalent Grades:

Applications:

• Earthmoving and mining equipment

• Cement and aggregate handling

• Crusher liners and shredder components

• Bulldozer blades, tippers, and dump trucks

• Screening and conveying systems

• Chutes, feeders, silos, and impact plates

Distribution – Pan India Reach:

We ensure fast and reliable delivery across:

• Uttar Pradesh – Kanpur, Lucknow, Noida, Varanasi, Meerut

• Rajasthan – Jaipur, Bhiwadi, Jodhpur, Udaipur, Kota

• Haryana – Faridabad, Gurugram, Hisar, Panipat, Ambala

• Other States – Gujarat, Maharashtra, Chhattisgarh, Tamil Nadu, Telangana, West Bengal, and more

Why choose Steel Mart as a C45 Carbon Steel Supplier?

• Certified Premium Quality: They provide high-quality, often ISI-certified C45 Carbon Steel Supplier with complete documentation like Mill Test Certificates (MTCs), ensuring guaranteed chemical composition and mechanical properties.
• Value-Added Processing: They offer essential services like cut-to-size options and processing (machining, grinding) tailored to your exact specifications, which minimizes your processing time and scrap.
• Reliable Supply & Logistics: They maintain a ready and extensive stock of C45 steel in various forms and boast a strong supply chain network for fast, on-time delivery.
• Industry Experience & Trust: With a long-standing legacy (often cited as 50+ years), they bring deep technical expertise and a trusted reputation for reliability and honest business practices.
• Technical Support & Guidance: Their team provides valuable technical advice and consultation on material selection, heat treatment, and fabrication, acting as a supportive partner for your project.