Skip to content

KCM Special Steel Co., Ltd.  |  Wenzhou, China · Hong Kong office

[email protected] WhatsApp +86 137 5849 8349

Home All Products Duplex Stainless Steel Pipe and Fittings (11)Stainless Steel Pipe and Fittings (17)Nickel Alloy Pipe and Fittings (13)Stainless Steel Pipe Flanges (4)StandardsCertificatesStainless Steel Store304 Seamless PipeSeamless Pipe EquipmentWelded Pipe EquipmentButt Weld Fittings EquipmentTest EquipmentOrder to Pay About Us Insights Contact

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.

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.