Duplex Stainless Steel Pipe
Duplex Stainless Steel Pipe

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Product Name: Duplex stainless steel pipe price UNS S31803 S32205 S32750 S32760

Standard:?ASTM A789,ASTM A790, ASTM A213, A269, A312, A511, A789, A790, A376, EN 10216-5

EN 10297,DIN 17456, DIN 17458,JISG3459, JIS GS3463, GS3467, JIS G3448, GOST 9940, GOST 9941

GB/T 21833

Material:?S32750 ,S32760 , UNS S32304, UNS S32205, UNS S31803, UNS 32160,UNS S32101

Nominal Dia:?1/2 "to 32" NB for seamless pipe

Schedules:?5S, 10S, 40S, 80S, 10, 20, 30...120, 140, 160, XXS?

All dimensions are in accordance with ANSI B36.19 and ANSI B36.10?

Size Range for tubing:?OD:1/4" (6.25mm) to 8" (203mm), WT: 0.02" (0.5mm) to 0.5"(12mm)

Length:5.8m, 6m, 11.8m, 12m,?30m(Max) or as your requirement

Process:?Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube

Finish:?Annealed & pickled, bright annealing, polished

Ends:?Beveled or plain end, square cut, burr free ,Plastic Cap at Both end

Chemical Composition of Typical Duplex Stainless Steel Pipe:

C Mn P S Si Cr Ni Mo N Cu
UNS S32101 0.03max 2.0max 0.03max
1.0max 20.0~23.0 1.0~3.0 0.6max 0.05~0.17 1.0max
UNS S31803 0.03max
21.0~23.0 4.5~6.5 2.5~3.5 0.08~0.20 /
UNS S32205 0.03max
22.0~23.0 4.5~6.5 3.0~3.5


UNS S32750 0.03max
1.2max 0.035max
0.8max 24.0~26.0 6.0~8.0 3.0~5.0 0.24~0.32 0.5max

Inspection and Test:

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2.100% Dimension & Visual Examination?
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test
4.100% Hydrostatic Test?or 100% NON-DESTRUCTIVE?Test? (ET or UT)?
5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall?be as agreed upon between the purchaser and vendor)
6.Straightness Test? (optional)
7.Roughness Test (optional)
8.Intergranular Corrosion Test(optional)
9.Impact Test (optional)
10.Grain Size Determinations (optional)