Home > Products > Duplex Stainless Steel Pipes > PED 97/23/EC, AD2000-WO, GOST 9941-81 , ASTM A789,A790, UNS32750, UNS32760 Super Duplex Stainless St
PED 97/23/EC, AD2000-WO, GOST 9941-81 , ASTM A789,A790, UNS32750, UNS32760 Super Duplex Stainless St
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Product Details
| Brand Name | YUHONG SPECIAL STEEL | Place of Origin | China | |
Product Description
Certification:ABS, GL, BV, PED, AD2000, GOST, TS, CCS, CNNC, ISO
PED 97/23/EC, AD2000-WO, GOST 9941-81 apprived, ASTM A789, ASTM A790, UNS32750, UNS32760 Pickled And Annealed Super Duplex Stainless Steel
Seamless Pipe
Detailed Product Description
Super Duplex Stainless Steel Pipe ASTM A790 S31803 (2205 / 1.4462), UNS S32750(1.4410)
Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition
|
Grade |
C max |
Si max |
Mn max |
P max |
S max |
Cr |
Ni |
Mo |
N |
|
UNS S32750 |
0.030 |
0.8 |
1.2 |
0.030 |
0.015 |
24.0-26.0 |
6.0-8.0 |
3.0-5.0 |
0.24-0.32 |
|
UNS S31803 |
0.030 |
1.0 |
2.0 |
0.020 |
0.020 |
21.0-23.0 |
4.5-6.5 |
2.5-3.5 |
0.08-0.20 |
|
UNS S31500 |
0.030 |
1.0 |
1.2-2.0 |
0.030 |
0.030 |
18.0-19.0 |
4.5-5.5 |
2.5-3.5 |
0.05-0.10 |
Physical Properties
|
Grade |
Y.S.MPa min |
T.S.Mpa min |
Elongation % |
Hardness HRC |
|
UNS S32750 |
550 |
800 |
15 |
20 |
|
UNS S31803 |
450 |
620 |
25 |
20 |
|
UNS S31500 |
440 |
630 |
30 |
20 |
Duplex Stainless Steel Pipe Application:
Chemical processing, Transport and Storage.
Oil and gas exploration and offshore rigs.
Oil and gas refining.
Marine environments.
Pollution control equipment.
Pulp and paper manufacturing
Chemical process Plant
Some of the quality tests carried out by us includes:
| Corrosion Test | Conducted only when specially requested by the client |
| Chemical Analysis | Test done as per required quality standards |
| Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
| Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
| Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
| Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checkin |
Contact Us
- Yuhong Special Steel Co.,Ltd.
- Contact nameJikin Cai Chat Now
- Phone86-574-88013900
- Address, Rizhao, Shandong
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