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Duplex Welded Large Diameter Stainless Steel Pipe DN150 S31803 / S32750 / S32760 EFW / ERW

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Address: Room 901, Jinri Jiayuan, South Tangjiaqiao Rd, Wenzhou, 325000 China

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Kaysuns Industry Ltd.

Duplex Welded Large Diameter Stainless Steel Pipe DN150 S31803 / S32750 / S32760 EFW / ERW

Country/Region	china
City & Province	wenzhou zhejiang

Product Details

Duplex Welded Large Diameter Stainless Steel Pipe DN150 S31803 / S32750 / S32760 EFW / ERW

Kaysuns is a top supplier of stainless steel pipes and tubings in China, we provides both seamless stainless steel pipes and welded stainless steel tubings and other ss pipes. Austenitic stainless steel has austenite as its primary phase, our product covers full 300 series and duplex stainless steel, nickel-based alloy and super austenitic stainless steel etc. We are also ability to supply titanium alloy tube and copper alloy tubes in ASME / EN norms. All of our tubings are qualified and a third party inspection are available for them.

Welded stainless steel pipe provides us a large diameter but low cost solution. Our welding process mainly is Plasma-Arc Welding(PAW), its biggest diameter could reach 3000mm. If other process is required, please state it in the requirement of stainless steel tubings.

Strength:

Full grades of austenitic stainless steel, duplex stainless steel and nickel based alloy
Small order quantity available from 200kgs
Large diameter seamless stainless steel pipe, up to 36"
Thin wall thickness seamless stainless steel pipe, like o.d.273×w.t.4mm
Double quality control system - first from our approved factory, second from our owned QA
Fast delivery of 20~40days for general grades
Flexible and professional service and operations
Both seamless and welded pipe are available

Surface Finishes:

Pickling finish
bright annealed finish
Mirror finish
sand blast finish

Range Covers:

Materials	Size*	Wall Thickness**	SMLS	Welded
Stainless Steel 304, 304L, 309S, 310S, 310H, 316/L, 316H, 316Ti, 317/L, 347/H, 904L, S31254(254SMO)	1/2"-24"	SCH10S~XXS	√
	1/2"-104"	SCH5S~80S/XS		√
Duplex & Super Duplex S31803, S32205, S32750, S32760,etc.	1/2"-16"	SCH10S~XS	√
Duplex & Super Duplex S31803, S32205, S32750, S32760,etc.	1/2"-104"	SCH5S~80S/XS		√
Nickel Alloy-Alloy20,28,31, Monel400,K500, Inconel 600,601,625, Incoloy800, 800H, 800HT, 825, Hastelloy C22, C276, B2 etc.	1/2"-16"	SCH10S~120	√
	1/2"-104"	SCH5S~80S/XS		√
Other materials	Please make a specific enquiry to us, our team will make the best to you asap.

Notes:

*Dimension range is not available for duplex and some special grade(For example,super duplex S32750 ≤16”). Please make a specific inquiry.
** Wall thickness range is not available for duplex and some special grade, please make a specific inquiry.
***For details of dimension range of seamless stainless steel tubing, please click here.

UNS Designation	C	Si	Mn	P	S	Cr	Ni	Mo	N	Cu
UNS Designation	max	max	max	max	max	Cr	Ni	Mo	N	Cu
S31803	0.03	1	2	0.03	0.02	21.0 - 23.0	4.5 - 6.5	2.5 - 3.5	0.08 - 0.20	-
S32205	0.03	1	2	0.03	0.02	22.0 - 23.0	4.5 - 6.5	3.0 - 3.5	0.14 - 0.20	-
S32750	0.03	0.8	1.2	0.035	0.02	24.0 - 26.0	6.0 - 8.0	3.0 - 5.0	0.24 - 0.32	0.5 max
S32760	0.05	1	1	0.03	0.01	24.0 - 26.0	6.0 - 8.0	3.0 - 4.0	0.20 - 0.30	0.50 -1.00

Size:	Outer diameters from 6 up to 3000 mm (0.24 up to 118 inches), wall thicknesses from 0.5 up to 36 mm (0.02 up to 1.42 inches).
Rate:	SCH5S to SCHXXS
Standard:	ASTM A312, A213, A268,A269, A249, A270, A376,A511; ASTM A789, A790; ASTM B163, B165, B167, B407, B423, B444, B622, B677, B729; EN10216-5, EN/DIN17455,EN/DIN17456, EN/DIN17458DIN2462 etc.

Duplex Big Size Welded Stainless Steel Pipes DN150 S31803 S32750 S32760 EFW ERW
Our factory is a leading manufacturer and supplier for qualified Large Diameter Stainless Steel Pipe, includes ASME/ASTM, EN/DIN, JIS series stainless steel pipes, and a wide range for material grades.