Surface Treatments
Certifications
- ISO 9001 - 2015 Certified
- PED 2014/68/EC
- NACE MR0175 / ISO 15156-2
- NORSOK M-650 Qualified
- API 6A Certified
- DFAR
- MERKBLATT AD 2000 W2/W7/W10
Super Duplex 2507 Stockist Mumbai
TorqBolt is a super duplex 2507 stockist in Mumbai serving the Indian oil and gas, desalination, marine, chemical and power sectors. Stock at the Mumbai warehouse covers UNS S32750 bar, plate, pipe, fittings, flanges and the full fastener range in standard sizes, with mill test certificates per EN 10204 Type 3.1 (Type 3.2 third-party-witnessed certification available on request).
The Mumbai stock supports project supplies to Reliance, ONGC, IOCL, BPCL, HPCL, GAIL, L&T, McDermott, Larsen and Toubro Hydrocarbon, and the major EPCs serving Indian oil and gas, fertiliser, refining and desalination projects. Material ships from the Mumbai warehouse with NORSOK M-630 MDS D55 / D57 certification, NACE MR0175 sour-service compliance, and PREN reporting on every mill test certificate.
Mumbai Stock Coverage
- Bar: Round bar 6 to 350 millimetre diameter; hex bar 6 to 80 millimetre across flats; flat bar; square bar; forged bar in larger sections; cold-finished bar for fastener machining
- Plate and sheet: Plate 6 to 100 millimetre thickness; sheet from 0.5 to 6 millimetre; quarto plate available on indent
- Pipe and tube: Pipe NPS 1/2 inch through NPS 24 inch; seamless and welded; ASTM A790 / A928 certification
- Fittings and flanges: Buttweld fittings (elbows, tees, reducers, caps); flanges (WN, SO, BL, RTJ, blind) per ASME B16.5 / B16.47
- Forgings: Per ASTM A182 grade F53 in custom sizes
- Fasteners: Bolts, hex bolts, heavy hex bolts, stud bolts, eye bolts, U-bolts, hex nuts, heavy hex nuts, lock nuts, washers, flat washers, lock washers, socket head cap screws, threaded rod
Why Mumbai for Super Duplex 2507
Mumbai is the natural Indian hub for super duplex 2507 distribution. The reasons:
- Proximity to JNPT (Jawaharlal Nehru Port Trust) for direct import from European mills (Sandvik / Alleima, Industeel ArcelorMittal, Outokumpu)
- Proximity to the Reliance Jamnagar refinery, the world's largest, with regular super duplex requirement for desalination and process service
- Hub for ONGC and Larsen and Toubro offshore project supplies
- Direct rail and road connectivity to Gujarat, Maharashtra, Tamil Nadu and Andhra Pradesh process plants
- Proximity to Mumbai-based EPCs and trading houses serving Middle East and Southeast Asia projects
Certification and Compliance
Every shipment from the Mumbai stock carries:
- EN 10204 Type 3.1 mill test certificate as standard (Type 3.2 third-party-witnessed available on request)
- Heat traceability from the original mill heat number to the despatched lot
- PREN calculated and reported on the certificate
- NORSOK M-630 MDS D55 / D57 compliance for offshore-specification material
- NACE MR0175 / ISO 15156-3 sour-service compliance with hardness and ferrite reporting
- Positive Material Identification (PMI) by XRF on request, performed at the Mumbai warehouse before despatch
Contact and Despatch
For super duplex 2507 enquiries, RFQs and stock confirmation:
TorqBolt Private Limited
Mumbai, Maharashtra, India
Phone: +91-22-66157017
Email: info@torqbolt.com
Stock confirmation typically within 4 business hours. RFQ pricing including freight to project site within 24 business hours. Despatch from Mumbai by road to anywhere in India, or by sea / air freight for export.
Mumbai Super Duplex 2507 Stockist Frequently Asked Questions
Where is your Mumbai stock located?
TorqBolt's Mumbai warehouse is in the greater Mumbai industrial belt, with direct access to JNPT for imports and to Mumbai-Pune highway for road despatch. Material is held under cover and segregated by grade and heat. Stock listing is updated weekly.
Which mills do you stock?
TorqBolt sources super duplex 2507 from Sandvik / Alleima (SAF 2507), Industeel ArcelorMittal (UR 52N+), Outokumpu (Avesta 2507), and other licensed UNS S32750 producers. Mill selection follows project specification; for projects accepting any UNS S32750-compliant material, TorqBolt stocks from the most economical licensed mill.
Do you supply NORSOK M-630 certified material?
Yes. Stock material is held to NORSOK M-630 MDS D55 (forgings, bar, plate) and D57 (pipe and tube), with PREN 40 minimum, ferrite content 35 to 55 percent in base metal, Charpy 45 J minimum at minus 46 degrees Celsius. NORSOK M-650 (manufacturer qualification, QTR) certificates are available on request from the source mill.
Can you supply NACE MR0175 sour service material?
Yes. Super duplex 2507 stock is qualified per NACE MR0175 / ISO 15156-3, with hardness 28 HRC maximum and ferrite content 35 to 65 percent. Specific H2S partial pressure and chloride limits are confirmed against the application zone classification under ISO 15156-3 Table A.25.
What is the lead time for non-stock sizes?
For sizes outside the standard Mumbai stock list, lead time is 8 to 14 weeks depending on the mill and product form. Custom forgings to ASTM A182 F53 are typically 10 to 16 weeks. RFQ enquiries return both stock and indent lead times for comparison.
Do you offer Positive Material Identification?
Yes. PMI by XRF is performed at the Mumbai warehouse on request, free of charge for orders above project minimum value. PMI report is supplied alongside the mill test certificate and despatch documents.
Do you supply outside Mumbai?
Yes. The Mumbai warehouse despatches to anywhere in India by road, and to overseas project sites by sea or air freight. TorqBolt also operates a secondary stocking and finishing operation in Rajkot, Gujarat. See the related India supplier page.
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