|
1) Duplex Stainless Steel Seamless Pipes - Tubes:
2) Duplex Stainless Steel Seamless Square Tubes:
3) Duplex Stainless Steel Seamless Rectangular Tubes :
Duplex SteeL StandardS pecification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
(Super) Duplex stainless steel pipe
(Super) duplex stainless steel pipe is mainly used in the marine environment, the petrochemical industry, fertilizer industry, oil refining industry, the oil and gas industry, light industry and food industry, pulp and paper industry, energy and environmental industries.Production standards:
GB / T 21832 Austenitic - ferritic duplex stainless steel welded pipe
GB / T 21833 Austenitic - ferritic duplex stainless steel seamless pipe, duplex stainless steel seamless square tubes
ASTM A789 (ASME SA789) general purpose seamless and welded ferritic / austenitic stainless steel pipe
ASTM A790 (ASME SA790) Seamless and welded ferritic / austenitic stainless steel nominal pipe
ASTM A928 plus filler metal and welding ferritic / austenitic (duplex) stainless steel pipe standards
Main brands: UNS S32001, S31500, S32304, S31803 S32205, S32760, S32750
|
Product |
Standard |
Outside Diameter（mm） |
Thickness（mm） |
|
Welded pipe |
ASTM A789 |
10.3—203.2 |
0.4—4.0 |
|
ASTM A790 |
50.8—2000 |
1.0—12.7 | |
|
ASTM A928 |
114.3—3000 |
2.5—60 | |
|
GB/T 21832 |
10.3—3000 |
0.4—60 | |
|
Seamless pipe |
ASTM A789 |
12.7—203.2 |
1—25 |
|
ASTM A790 |
12.7—630 |
0.5—35 | |
|
GB/T 21833 |
14—630 |
1—35 |
WORLD STEEL GROUP - WDSS - WDSSCO Http://www.worldsteel-asia.com
