TOBO GROUP
TOBO International Trading(Shanghia)Co.,Ltd Tianda Oil Pipe Co., Ltd
TOBO Pipeline Equipment Co.,Ltd TPCO & TISCO Pipe(Tianjin)Co.,Ltd.
| Place of Origin: | China/Japan/Germany |
|---|---|
| Brand Name: | TOBO/TPCO/TISCO/VALIN/METAL |
| Certification: | ISO/PED/TUV/SGS/LR/BV |
| Model Number: | ANSI B16.19, B16.10,A1016/A1016M, A450, A530, ASTM A789 S31803 (2205 / 1.4462), UNS S31803 |
| Minimum Order Quantity: | 100KGS |
| Price: | negotiable |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Delivery Time: | 10days-> |
| Payment Terms: | T/T, L/C, Western Union, MoneyGram |
| Supply Ability: | 1500 tons per month |
| Standard: | ANSI B16.19, B16.10,A1016/A1016M, A450, A530, ASTM A789 | Color: | White Silver Gold |
|---|---|---|---|
| Types: | Duplex Stainless Steel Pipe | Material Grade: | S31803 (2205 / 1.4462), UNS S31803 |
| Highlight: | duplex ss pipe,thin wall stainless steel tubing |
||
Duplex Stainless Steel Pipes,ANSI B16.19, B16.10,A1016/A1016M, A450, A530, ASTM A789 S31803 (2205 / 1.4462), UNS S31803
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 manufacturingChemical process Plant
Supplementary Testing :
Apart from the above mentioned tests, we also carry out on the manufactured products supplementary testing. The tests conducted under this include:
Radiography Testing |
Macro Testing |
Liquid Penetrate testing |
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 |
|
Visual Inspection |
After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |