TorqBolt Pvt Ltd is a specialty alloy components and fasteners manufacturer based in Mumbai and Rajkot, India. We manufacture Ferralium 255 (UNS S32550 / EN 1.4507) Cu-bearing super duplex stainless steel in bar, plate, sheet, pipe, tube, fittings, flanges, forgings, and a full range of fasteners (hex bolts, stud bolts, hex nuts, flat washers, threaded rod, socket-head cap screws). Our quality system is ISO 9001:2015 certified.
Ferralium 255 production at TorqBolt is supported by per-heat Mill Test Certificates (EN 10204 type 3.2) documenting full chemistry, mechanical properties, ferrite content per ASTM E562, and PREN calculation. We are a NORSOK M-650 capable manufacturer with Qualification Test Records (QTR) available on request per NORSOK M-630 material data sheet MDS D55. We supply Ferralium 255 to NACE MR0175 / ISO 15156-3 sour-service compliance per heat (hardness ≤ 32 HRC, ferrite content 35–55%).
TorqBolt Pvt Ltd is the parent organisation for ferralium.com. Visit our parent site at TorqBolt Pvt Ltd for full corporate, quality, certifications and capability information across our specialty alloy product range.
TorqBolt QA-QC team domain expertise in fastener metallurgy, NORSOK M-650 qualification, NACE MR0175 sour-service compliance, ASME B1.1 threading, ASTM specification compliance for super duplex stainless steel grades, heat treatment, and weld qualification per ASME IX.
- ISO 9001:2015, Quality Management System
- NORSOK M-650, capable manufacturer, QTR available on request
- NACE MR0175 / ISO 15156-3, sour-service compliance certified per heat
- PED 2014/68/EC, pressure equipment directive (Annex I material requirements)
- EN 10204 type 3.2, per-heat Mill Test Certificate with independent inspection
- AD 2000 W2 / W7 / W10, German pressure-equipment material acceptance
Mumbai, Sales office, technical & QC team, customer support
Rajkot, Manufacturing facility (machining, forging, heat treatment, finishing)
Ferralium is a registered trademark of Langley Alloys. TorqBolt is an independent specialist manufacturer of Ferralium 255 (UNS S32550) components and fasteners under ASTM, EN, NORSOK, and NACE specifications. We acknowledge Langley Alloys as the alloy designation origin and trademark holder.
Phone: +91-22-66157017
Email: info@torqbolt.com
WhatsApp: +91-22-66157017
- Passivation (ASTM A967)
- Pickling (ASTM A380)
- Electropolishing
- Mill / 2B / 2D / BA finish
- Bright bar / centreless ground
- Peeled & polished bar
- Shot-blast (EN 10088-2)