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Special Grade Bolts Manufacturer, Exporter & Supplier

Ragnar Metals & Tubes is a trusted manufacturer, exporter, and supplier of high-performance special grade bolts used in critical industrial applications worldwide.

Industrial-Grade Bolts

We manufacture and supply a wide range of precision-engineered bolts designed to withstand extreme pressure, temperature, and corrosive environments. Our bolts are available in stainless steel, alloy steel, duplex, super duplex, nickel alloys, and other special grades.

Types of Special Grade Bolts

Material Grades

Our bolts are manufactured using premium raw materials to ensure strength, durability, and corrosion resistance.

  • Stainless Steel: 304, 304L, 316, 316L, 310, 321, 347
  • Duplex & Super Duplex: UNS S31803, S32205, S32750, S32760
  • Alloy Steel: ASTM A193 B7, B7M, B16
  • Nickel Alloys: Inconel, Monel, Hastelloy
  • Carbon Steel & Special Custom Grades

Standards & Specifications

  • ASTM / ASME / DIN / EN / ISO Standards
  • ASTM A193, A194, A320
  • ASME B18 Series
  • Custom dimensions as per client drawings

Applications

Our special grade bolts are widely used in:

  • Oil & Gas Industries
  • Petrochemical & Refineries
  • Power Plants
  • Marine & Offshore Engineering
  • Construction & Heavy Engineering