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Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530
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Product Details
| Brand Name | YUHONG SPECIAL STEEL | Place of Origin | China | |
Product Description
Certification:ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Seamless Duplex Stainless Steel Pipes, ASTM / ASME A789 / SA789, A790 / SA790, A450, A530
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 checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
| Air Under Pressure Test | To check any evidence of air leakage |
| Vi |
Contact Us
- Yuhong Special Steel Co.,Ltd.
- Contact nameJikin Cai Chat Now
- Phone86-574-88013900
- Address, Rizhao, Shandong
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