ASTM A790 2507 / 2205 1.4462 / 1.4410 Duplex Welded Tube For Chemical Industry stainless steel coil tube
ASTM A790 2507 / 2205 1.4462 / 1.4410 Duplex Welded Tube For Chemical Industry
Liaocheng Sihe SS Material Co., Ltd. is a leading manufacturer who is specialized in stainless steel seamless pipes , bright annealed tubes , seamless coiled tubing etc . In order to facilitate customers , we have welded pipes and tubes too . Liaocheng Sihe SS Material Co., Ltd. has the most advanced producing and testing equipment . We can totally satisfy your requirement . According to standard very strictly , tubes which produced by us always have correct OD and WT tolerance . The tolerance control is strictly accordance to produce standards . Our products are always satisfied with customers . Customers purchased our products created more profits .
a) OD ( Outer Diameter ) : 3.18mm to 101.6mm
b) WT ( Wall Thickness ) : 0.5mm to 20mm
c) Length : According to customer’s requirement
d) Standards : ASTM A312; ASTM A269; ASTM A789; ASTM A790 etc
e) Process Method : ERW, EFW etc
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max | ||||||
| S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 – 23.0 | 4.5 – 6.5 | 2.5 – 3.5 | 0.08 – 0.20 | - |
| S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 – 23.0 | 4.5 – 6.5 | 3.0 – 3.5 | 0.14 – 0.20 | - |
| S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 – 26.0 | 6.0 – 8.0 | 3.0 – 5.0 | 0.24 – 0.32 | 0.5 max |
| S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 – 26.0 | 6.0 – 8.0 | 3.0 – 4.0 | 0.20 – 0.30 | 0.50 -1.00 |
