Severe Acid Corrosion & Nickel Alloy Selection: Choosing the Right Hastelloy Flanges
Stop acid corrosion and joint leaks. Learn how to select Hastelloy C276, C22, B2, C2000, C4, and X flanges for severe sulfuric and hydrochloric acid service.
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Ganpat Metal Pvt. Ltd. was established in 1985 in Mumbai and has grown into one of India's most reliable names in the procurement and supply of high-quality piping materials. With over 35 years of hands-on industry experience, we serve Oil & Gas, Petrochemical, Power Generation, and Water Treatment sectors.
We source from BIS-approved and NABL-certified manufacturers, ensuring every pipe, fitting, and flange meets strict dimensional, chemical, and mechanical standards.
Sourced from BIS-approved manufacturers across India
Timely dispatch directly to your project site
Bulk & urgent supply for EPC and turnkey projects
TPI support from leading Indian inspection agencies
Ganpat Metal Pvt. Ltd. is proud to be approved and certified by India's leading inspection and quality certification bodies. Every product we supply meets Adani Power and Reliance Industries standards - backed by trusted agencies operating across India's Oil & Gas, Power, and Petrochemical sectors.










Seamless & welded pipes in Carbon Steel (A106 Gr B), Alloy Steel (P11, P22, P91), SS (304L, 316L), and Duplex 2205 for high-pressure lines.
Precision heat exchanger & boiler tubes in SS 304/316L, Alloy Steel T11/T22/T91, Hastelloy, and Inconel for high-temp service.
Seamless elbows, tees, reducers, and caps in WPB, WP11, WP22, WP91, and WP304L/316L. Schedules SCH 10S to XXS.
A105, LF2, F5, F9, F11, SS 304/304L & SS 316/316L forged flanges in Weldneck, Slip-On, Blind & Socket Weld types.
Bright, peeled & forged round bars in SS 304/316L, Alloy 4130, Hastelloy C-276, and Inconel 600/625 for pump shafts & valve stems.
Precision cold-drawn hexagonal bars in Stainless Steel (304/316L), Hastelloy C-276, and Inconel 625/718 for heavy fasteners & bolts.
Corrosion-resistant Titanium Grade 2 & Grade 5 (Ti-6Al-4V) sheets & plates for aerospace structures, chemical reactors & marine applications.
High-precision Needle, Ball, and Manifold valves in SS 316/316L & Monel 400 rated up to 6000 PSI for precise flow control.
Seamless Steel Pipes are manufactured without any weld seam so they can withstand exceptionally high pressure, mechanical stress, and elevated temperature. Below is the multi-stage precision manufacturing process to produce certified SMLS steel pipes and industrial tubes.
Our premium metal products power critical applications across a diverse range of sectors.
| Nominal Pipe Size (NPS) | Outer Diameter (OD mm) | SCH 40 (WT mm) | SCH 80 (WT mm) | SCH 160 (WT mm) | Standard Specifications |
|---|---|---|---|---|---|
| 1/2" NB (DN15) | 21.3 mm | 2.77 mm | 3.73 mm | 4.78 mm | ASTM A106 / A335 / API 5L |
| 1" NB (DN25) | 33.4 mm | 3.38 mm | 4.55 mm | 6.35 mm | ASTM A106 / A335 / SS316L |
| 2" NB (DN50) | 60.3 mm | 3.91 mm | 5.54 mm | 8.74 mm | ASTM A106 / API 5L Gr. B |
| 4" NB (DN100) | 114.3 mm | 6.02 mm | 8.56 mm | 13.49 mm | ASTM A335 P11 / P22 / P91 |
| 6" NB (DN150) | 168.3 mm | 7.11 mm | 10.97 mm | 18.26 mm | API 5L X52 / X65 / X70 |
| 8" NB (DN200) | 219.1 mm | 8.18 mm | 12.70 mm | 22.23 mm | ASTM A312 SS304 / Duplex 2205 |
Every pipe, tube, fitting, and flange supplied by Ganpat Metal Pvt. Ltd. conforms strictly to international specifications established by the world's most recognized standardization and quality bodies.
Ganpat Metal Pvt. Ltd. has delivered certified seamless pipes, alloy tubes, duplex piping, fittings, and forged round bars to critical energy, refinery, petrochemical, and power generation projects across the globe.
Stay updated with the latest trends, technologies, and market analysis in the metal manufacturing industry.
Stop acid corrosion and joint leaks. Learn how to select Hastelloy C276, C22, B2, C2000, C4, and X flanges for severe sulfuric and hydrochloric acid service.
Prevent QA rejections and job site delays. Learn how to inspect EN 10204 3.1 material test certificates, verify chemical heat numbers, and check rim stamps.
Discover why Class 150 flanges leak at elevated temperatures. Understand ASME B16.5 thermal derating, bolt relaxation, and high-temp alloy steel selection with Ganpat Metal.
Prevent sub-zero pipe cracking and brittle failure. Discover why ASTM A105 fails cold tests and when to upgrade to ASTM A350 LF2 flanges with Ganpat Metal.
Explore the complete ASME B16.5 flange selection guide by Ganpat Metal. Learn pressure classes, thermal derating, material grades, and MTC verification.
Explore why Chromoly 4130 tubing remains the top choice for aerospace, motorsport roll cages, and high-stress structural applications due to its exceptional strength-to-weight ratio and fatigue resistance.
A detailed technical breakdown on ASTM A335 alloy steel pipe grades, thermal conductivity, creep strength at elevated temperatures, and selecting the right grade for power plant boilers and refineries.
Compare Pitting Resistance Equivalent Numbers (PREN), tensile strength, and chloride stress-corrosion cracking resistance between UNS S31803 (2205) and UNS S32750 (2507) duplex steels for marine service.
Address: Lamington Chambers, 4th floor, 39/41, A block, D. B. Marg, Lamington Road, Mumbai - 400004, Maharashtra, India
Emails: ngchouhan@gmail.com / ganpatmetal03@gmail.com
Address: CIGRATEWALA BLDG., 364, S. V. P. Road, Mumbai - 400004, Maharashtra, India
Contact Landline: 0091-022-66362797
Mobile No / WhatsApp: 0091-9821025398 / 8850323894