Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | According to Client Requirements |
| Delivery Time | 15-35 Days |
| Packaging Details | According to Client Requirements/ Ply-wooden Case/ Iron Case/ Woven Bag |
| Standard | ASTM A790, ASME SA790 |
| Material Grade | UNS S32750 (1.4410) |
| Type | Seamless |
| Outer diameter | 6mm-630mm or customized |
| Thickness | 0.4-30mm |
| Technique | Cold Rolled Hot Rolled |
| Length | 3-6M Or As Customized |
| Shape | Round |
| Inspection | ET, HT, UT , PMI |
| Applications | Industry,construction,boiler,oil and gas,Oil Gas Sewage Transport |
| Brand Name | YUHONG |
| Model Number | ASTM A790 UNS S32750 (1.4410) |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | According to Client Requirements |
| Delivery Time | 15-35 Days | Packaging Details | According to Client Requirements/ Ply-wooden Case/ Iron Case/ Woven Bag |
| Standard | ASTM A790, ASME SA790 | Material Grade | UNS S32750 (1.4410) |
| Type | Seamless | Outer diameter | 6mm-630mm or customized |
| Thickness | 0.4-30mm | Technique | Cold Rolled Hot Rolled |
| Length | 3-6M Or As Customized | Shape | Round |
| Inspection | ET, HT, UT , PMI | Applications | Industry,construction,boiler,oil and gas,Oil Gas Sewage Transport |
| Brand Name | YUHONG | Model Number | ASTM A790 UNS S32750 (1.4410) |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
| High Light | astm a790 uns s32750 ，1.4410 super duplex pipe ，ABS super duplex pipe | ||
ASTM A790 UNS S32750, 1.4410 Super Duplex Stainless Steel Seamless Pipe For Desalination
YUHONG HOLDING GROUP supplies and exports Austenitic Stainless Steel, Nickel Alloy Steel seamless and welded pipes and tubes for already more than 30 years. Every year we sells more than 80000 tons of steel pipes and tubes. Our clients already cover more than 45 countries.
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 | Si | Mn | P | S | Cr | Ni | Mo | N |
| UNS S32750 | 0.03 max | 0.8 max | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
| UNS S31803 | 0.03 max | 1.0 max | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
| UNS S31500 | 0.03 max | 1.0 max | 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 |
Applications:
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
| 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 |
Supplementary Testing:
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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