11 Products
Duplex Stainless Steel Pipe and Fittings
S31803 2205, S32750 2507 and S32760 pipe, tube, fittings and flanges
About This Range
What the Duplex Stainless Steel Pipe and Fittings Range Covers
Duplex grades carry a balanced ferrite and austenite microstructure, which gives roughly twice the yield strength of standard austenitic stainless steel along with high resistance to chloride pitting, crevice corrosion and stress corrosion cracking. KCM Special Steel supplies duplex and super duplex pipe, tube, butt weld fittings and flanges to ASTM A790, ASTM A789, ASTM A928 and ASTM A815.
Products
All 11 Items in This Range











Sizes
Welded and seamless pipe from OD 2mm to 2400mm with wall thickness 0.8mm to 80mm, including square and rectangular shapes. Custom fabrication available.
Standards
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
Approvals
ISO 9001, PED, TUV, DNV, API, AD2000, NORSOK M650, and third party inspection acceptance
FAQ
Duplex Stainless Steel Pipe and Fittings Questions
Which grades are covered by the duplex stainless steel pipe and fittings range
Duplex grades carry a balanced ferrite and austenite microstructure, which gives roughly twice the yield strength of standard austenitic stainless steel along with high resistance to chloride pitting, crevice corrosion and stress corrosion cracking. KCM Special Steel supplies duplex and super duplex pipe, tube, butt weld fittings and flanges to ASTM A790, ASTM A789, ASTM A928 and ASTM A815.
What sizes can you supply
Welded and seamless pipe from OD 2mm to 2400mm with wall thickness 0.8mm to 80mm, including square and rectangular shapes.
Which standards apply
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 approvals do you hold
ISO 9001, PED, TUV, DNV, API, AD2000, NORSOK M650, and third party inspection acceptance.
Do you hold this range in stock
We keep extensive ready stock of standard sizes and grades so urgent project timelines can be met. Send us the size and grade and we will confirm what is on the floor.
Request a Quote
Get Duplex Stainless Steel Pipe and Fittings Priced
Send the grade, standard, size range and quantity. We reply with stock availability and a price.