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ASTM A789 Seamless Stainless Steel Pipes Distributor
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ASTM A789 Seamless Stainless Steel Pipes Distributor




Detail Information
Specification
ASTM A789 Seamless Stainless Steel Pipes
ASTM A789 A789M, ASME SA789 S31803, S32205, S32750 Duplex Stainless Tubing is for Boilers, Superheaters and Heat Exchangers.
ASTM A789 A789M Covers Grades of nominal wall thickness, stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.
Example size
DN
|
NPS | OD (mm) | Wall Thickness |
|||||||
Sch 5 | Sch10 | Sch 40 |
STD
|
Sch 80
|
XS
|
Schl60 | XXS | |||
8 | 1/4" | 13.7 | - | 1.65 | 2.24 | 2.24 | 3.02 | 3.02 | - | - |
10 | 3/8" | 17.1 | - | 1.65 | 2.31 | 2.31 | 3.20 | 3.20 | - | - |
15 | 1/2" | 21.3 | 1.65 | 2.11 | 2.77 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 |
20
|
3/4" | 26.7 | 1.65 | 2.11 | 2.87 |
2.87
|
3.91
|
3.91
|
5.56 | 7.82 |
25
|
1" | 33.4 | 1.65 | 2.77 | 3.38 |
3.38
|
4.55
|
4.55
|
6.35 | 9.09 |
100 | 4" | 114.3 | 2.11 | 3.05 | 6.02 | 6.02 | 8.56 | 8.56 | 13.49 | 17.12 |
One-stop service to facilitate your purchase
The Baolai Group continues to provide service and support after your purchase. To save you time, we offer you numerous value-added services such as processing, logistics management and testing.
Processing Services:
- √OEM & ODM
- √Protective Coatings
- √Saw and Flame Cutting
- √Beveling, Threading and Grooving
- For more information, please contact our service team.
Contact Person

- Name:
- Anna Zhao
- Tel:
86-13588074125
- Email:
- Anna@anndooo.com
- WhatsApp:
- https://wa.me/8613588074125
- Address:
- NO.1 XIAGUANG ROAD,NANKAI DISTRICT,TIANJIN,CHINA