TUV Certified and AD2000 Compliant
Duplex Stainless Steel and Nickel Alloy Pipe Fittings and Flanges
KCM Special Steel Co., Ltd. manufactures welded and seamless pipe from OD 2mm to 2400mm with wall thickness 0.8mm to 80mm, plus butt weld fittings and flanges, in austenitic, duplex, super duplex and high performance nickel alloy grades.
Product Ranges
Four Ranges One Mill
Pipe, tube, butt weld fittings and flanges across austenitic, duplex, super duplex and nickel alloy grades.
Duplex Stainless Steel Pipe and Fittings
S31803 2205, S32750 2507 and S32760 pipe, tube, fittings and flanges
11 products
Stainless Steel Pipe and Fittings
Austenitic seamless and welded pipe, tube and butt weld fittings
17 products
Nickel Alloy Pipe and Fittings
Monel, Inconel, Incoloy, Hastelloy, Alloy 20 and 904L pipe and fittings
13 products
Stainless Steel Pipe Flanges
Weld neck, slip on, blind and plate flanges in stainless, duplex and nickel alloy
4 products
About KCM Special Steel
A Wenzhou Mill Built for Corrosive Service
As a leading manufacturer based in Wenzhou, China, KCM Special Steel Co., Ltd. specialises in delivering premium stainless steel pipes, tubes and fittings for industrial applications worldwide. With decades of expertise and state-of-the-art facilities, we cater to diverse industries including oil and gas, chemical processing, construction and marine engineering.
- Welded and seamless pipe, OD 2-2400mm x WT 0.8-80mm, including square and rectangular shapes
- Elbows, tees, reducers, caps, crosses and flanges, with custom fabrication available
- Pipe and tube standards: ASTM A312, ASTM A269, ASTM A213, ASTM A790, ASTM A789, ASTM A928, ASTM A249, ASTM A511, DIN 17456, JIS G3463, GOST and others
- Fitting standards: ANSI B16.9, ANSI B16.28, ANSI B16.11, ASTM A403, DIN 2605/2606, JIS B2311
Materials
Grades We Produce In
Austenitic Series
201, 202, 301, 304/304L, 316/316L/316Ti, 321, 347/347H, 310/310S, 253MA, 254SMO/S31254 and others
Duplex and Super Duplex
S31803 (2205), S32750 (2507), S32760
High-Performance Alloys
MONEL 400/500K, INCONEL 600/601/625/718/X750, INCOLOY 800H/800HT/825, Nimonic 60/80A, Alloy 20/28/31, high temperature alloys, precipitation hardening stainless steel, 904L and others
Selected Products
From Across the Catalogue
Why Choose KCM Special Steel
What You Get When You Order Here
Extensive Ready Stock
Immediate availability of standard sizes and grades to meet urgent project timelines.
Custom Solutions
Tailored dimensions, surface finishes such as polished and brushed, and material grades.
Global Reach
Efficient logistics for delivery to Europe, the Middle East, North America, Asia and South America.
Technical Support
End-to-end guidance on material selection, corrosion resistance and application engineering.
Our vertically integrated manufacturing process, from raw material sourcing to precision forming, welding and testing, guarantees superior mechanical properties and longevity. Equipped with advanced spectrometers, hydrostatic testers and ultrasonic inspection systems, we ensure every product exceeds industry benchmarks.
Insights
Latest Technical Articles
2507/S32750 Super Duplex Pipe Fittings to Middle East for Seawater Desalination Plant
2507/S32750 Super Duplex Pipe Fittings to Middle East for Seawater Desalination Plant -Executive Overview The Middle East remains.
Stainless Steel Tube Application in Condensers Feasibility Analysis
Introduction- Stainless Steel Tube in Condenser The application of stainless steel materials in condenser tubing dates back to.
What is EN 1.4462 Duplex Stainless Steel
A Global Perspective on a Cornerstone Duplex Alloy EN 1.4462 (designated X2CrNiMoN22-5-3, also known as 2205 duplex stainless.
FAQ
Questions Buyers Ask First
Who is KCM Special Steel
KCM Special Steel Co., Ltd. is a manufacturer based in Wenzhou, China, specialising in stainless steel pipes, tubes and fittings for industrial applications worldwide, with decades of expertise and state-of-the-art facilities.
What sizes can you produce
Welded and seamless stainless steel pipes from OD 2mm to 2400mm with wall thickness 0.8mm to 80mm, including square and rectangular shapes.
Which grades do you supply
Austenitic grades including 201, 202, 301, 304/304L, 316/316L/316Ti, 321, 347/347H, 310/310S, 253MA and 254SMO/S31254; duplex and super duplex S31803 (2205), S32750 (2507) and S32760; and high performance alloys including MONEL, INCONEL, INCOLOY, Nimonic, Alloy 20/28/31, high temperature alloys, precipitation hardening stainless steel and 904L.
Which standards do you work to
Pipe and tube: ASTM A312, ASTM A269, ASTM A213, ASTM A790, ASTM A789, ASTM A928, ASTM A249, ASTM A511, DIN 17456, JIS G3463, GOST and others. Fittings: ANSI B16.9, ANSI B16.28, ANSI B16.11, ASTM A403, DIN 2605/2606, JIS B2311.
What quality approvals do you hold
ISO 9001, PED, TUV, DNV, API, AD2000, NORSOK M650, and third party inspection acceptance.
Do you hold stock
Yes. We keep extensive ready stock of standard sizes and grades so urgent project timelines can be met.
Which regions do you ship to
Europe, the Middle East, North America, Asia and South America.
How do I get a quotation
Message Mr. Bob Lee on WhatsApp at +86 137 5849 8349 or email [email protected] with the grade, standard, size range and quantity you need.
Request a Quote
Send Us the Grade Standard and Size
Tell us the grade, standard, size range and quantity. We reply with availability from stock, a mill schedule if it needs producing, and a price.