ASTM A358 / ASME SA358 TP321/321H Double Weled Steel Pipe
Professional and Cost-effective Industrial TP321/321H Double Weled Steel Pipe
The products including industrial fluid conveying pipes(GB/T12771,HG20537,ASTM A312,ASTM A358,ASTM A790,JIS G3459,EN 10217-7),boiler,heat exchanger and condensator tubes(GB/T24593,ASTM A249,JIS G3463,DIN17457),thin-walled drinking water tubes(GB/T19228,CJ/T151,JIS G3448,EN10312),food sanitation tubes(ASTM A270,DIN11850,ISO2037)and large caliber industrial welded pipes(GB/T12771,HG20537,ASTM A312,JIS3468,EN10217)which conform to both domestic and overseas standards.
1. Material Grade: TP304 , TP304L , TP304H , TP316 , TP316L , TP316Ti , TP309S , TP310S , TP321 , TP321H , TP347 , TP347H , etc
2. Outer Diameter: 10.3mm-1219mm
Wall Thickness : 1.24mm-59.54mm
3. Length: Normally fixed length 6m , can as per customer's requirement
4. Standard: ASTM A312 ; ASTM A358 ; ASTM A789 ; ASTM A790 ect .
5. Process Method: ERW , EFW etc
| American Standard | TP304 , TP304L , TP310S , TP316 , TP316L , TP316Ti , TP321 , TP347 , 904L , S31803 Etc |
| European Standard | 1.4301 , 1.4306 , 1.4845 , 1.4401 , 1.4404 , 1.4571 , 1.4541 , 1.4550 , 1.4539 , 1.4462 Etc |
| German Standard | X5CrNi18-10 , X2CrNi19-11 , X12CrNi25-21 , X5CrNi17-12-2 , X5CrNi17-12-3 , X2CrNiMo18-14-3 , X6CrNiTi18-10 , X6CrNiTb18-10 Etc |
TP321/321H Double Weled Steel Pipe Test :
1 . X-ray , Size test , Length test
2 . Chemical Analysis ( Photoelectric Emission Spectroscopic ) etc
| Material | Chemical Composition % Max | ||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti | |
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^. | ^ |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | ^ | ^ | ^ | ^ |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 D | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 5C -0.70 |
| TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | 10C -1.10 | ^ | ||
