Stainless Steel Seamless Pipes

Stainless Steel Seamless Pipe as Per \ASME SA312, including an extensive material of austenitic stainless steel 304/404L, 316/, 310S, 317L, 321…etc.

Duplex stainless steel S31803/S32205, Super duplex stainless steel S32750 and high-alloy austenitic-stainless steel

Application:

The stainless pipes are used extensively in the industries of Process, Chemical, Petrochemical, Pharmaceutical and food industries, they can also be used in certain pressure vessels.

Seamless Pipes Grade:

Corrosion Resistant Austenitic Stainless Steel Seamless Pipe
ASTM UNS EN DIN JIS GOST GB
304 S30400 X5CrNi18-10 1.4301 SUS304 06Cr19Ni10
S30403 X2CrNi19-11 1.4307 SUS304L 022Cr19Ni10
316 S31600 X5CrNiMo17-12-2 1.4401 SUS316 06Cr17Ni12Mo2
316L S31603 X2CrNiMo18-14-3 1.4404 SUS316L 03X17H14M3 022Cr17Ni12Mo2
316Ti S31635 X6CrNiMoTi17-12-2 1.4571 SUS316Ti 10X17H13M2T 06Cr1Ni12Mo3Ti
317 S31700 —- 06Cr19Ni13Mo3
317L S31703 X2CrNiMo18-15-4 1.4438 SUS317L 022Cr19Ni13Mo3
321 S32100 X6CrNiTi18-10 1.4541 SUS321 06Cr18Ni11Ti
310S S31008 X8CrNi25-21 1.4845 SUS310S 06Cr25Ni20
347 S34700 X6CrNiNb18-10 1.455 SUS347 06Cr18Ni11Nb

 

Heat Resistant Austenitic Stainless Steel Seamless Pipe
ASTM UNS EN DIN JIS GOST GB
304H 07cr19Ni10
321H 07Cr19Ni11Ti
316H 07Cr17Ni12Mo2

 

Seamless Pipes Chemical Properties:

Grade C Si Mn P S Ni Cr Mo Ti
TP304 ≤ 0.08 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 8.0-11.0 18.0-20.0
TP304L ≤ 0.035 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 8.0-13.0 18.0-20.0
TP304H 0.04-0.10 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 8.0-11.0 18.0-20.0
TP321 ≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 9.0-12.0 17.0-19.0 5x(C+N) Min

0.70 max

TP321H 0.04-0.10 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 9.0-12.0 17.0-19.0 2.00-3.00 4x(C+N) Min

0.70 max

TP316 ≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 10.0 -14.0 16.0-18.0 2.00-3.00
TP316L ≤ 0.035 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 10.0 -14.0 16.0-18.0 2.00-3.00
TP316H 0.04-0.10 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 10.0-14.0 16.0-18.0 2.00-3.00
TP316Ti ≤ 0.080 ≤ 0.75 ≤ 2 ≤ 0.045 ≤ 0.030 10.0 -14.0 16.0-18.0 2.00-3.00
TP317 ≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 11.0-15.0 18.0-12.0 3.00-4.00
TP317L ≤ 0.035 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 11.0-15.0 18.0-20.0 3.00-4.00
≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 9.0-13.0 17.0-19.0
TP310S ≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 19.0-22.0 24.0-26.0 0.75

 

Size:

From 12mm to 813mm (NPS ¼” –DN8 to NPS 32” –DN800) Outside diameter with a full pipes schedules ranging from SCH5S through double extra heavy

Packing:

Beveled/Polishing /plastic caps/in bundles/steel strips/wooden box/

accordance with customer requirements.

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