Metal Nation Alloy is a leading supplier of Hardened 400 steel plates in India, providing high-performance abrasion-resistant grades such as AR 400, NM 400, BHN 400, and equivalent wear-resistant plates. These plates are engineered for superior hardness, excellent impact resistance, and long service life, making them ideal for demanding applications in mining, construction, material handling, cement plants, power generation, and heavy engineering industries. Metal Nation Alloy focuses on strict quality control, reliable sourcing, and precise specifications to meet international standards. With competitive pricing, customized plate sizes, prompt delivery, and strong customer support, Metal Nation Alloy is a trusted name for hardened steel plate solutions across India.