Specification:

Stainless steel welded pipes as per ASTM A312/ASME SA312 and ASTM A358 with normal grades of austenitic stainless steel such as 304,304L,316, 316L, 321 and duplex stainless steel S31803 and S32205 as per ASTM A789 and ASTM A790

Application:

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

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.

Seamless Pipes Grade:

 

Corrosion Resistant Austenitic Stainless Steel Seamless Tube

ASTM UNS EN DIN JIS GOST GB
304 S30400 X5CrNi18-10 1.4301 SUS304 06Cr19Ni10
304L 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
321 S32100 X6CrNiTi18-10 1.4541 SUS321 06Cr18Ni11Ti

 

Heat Resistant Austenitic Stainless Steel Seamless Tube

ASTM UNS EN DIN JIS GOST GB
S31803 S31803 1.4462 022Cr22Ni5MoN
S32205 S32205 1.4462 022Cr22Ni5MoN

 

Seamless Tube Chemical Properties:

Grade C Si Mn P S Ni Cr Mo N
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  
TP321 ≤ 0.080 ≤ 1.00 ≤ 2 ≤ 0.045 ≤ 0.030 9.0-12.0 17.0-19.0  
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  
S31803 ≤ 0.030 ≤ 1.00 ≤ 2 ≤ 0.030 ≤ 0.020 4.5-6.5 21.0-23.0 2.5-3.5 0.08-0.20
S32205 ≤ 0.030 ≤ 1.00 ≤ 2 ≤ 0.030 ≤ 0.020 4.5-6.5 22.0-23.0 3.0-3.5 0.14-0.20

 

 

See also :

SS SMLS Pipes

Stainless Steel Seamless Pipes

SS SMLS Tubes

Stainless Steel Seamless Tube

SS Welded Pipes

Stainless Steel Welded Pipes

SS Welded Tubes

Stainless Steel Welded Tubes

U Bend Tubes & Pipes

U Bend Tubes & Pipes

904L Stainless Steel

904L Stainless Steel

316Ti Stainless Steel

316Ti Stainless Steel

347-347H Stainless steel

347-347H Stainless steel

ASTM A312

ASTM A312

ASTM A269

ASTM A269