Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | According to customer's request |
| Delivery Time | Depends on quantity |
| Packaging Details | Bundle with plastic Cap / Ply Wooden Case |
| hydrotest-pressure | ≥ 100 bar (1500 psi) |
| purchasing-standard | ASTM A790 + SA 790 |
| en-10216-equivalent-grade | 1.4507 |
| max-service-temperature | 300°C (572°F) |
| Brand Name | YUHONG |
| Model Number | ASTM A790 UNS S3750 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHIAN |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | According to customer's request |
| Delivery Time | Depends on quantity | Packaging Details | Bundle with plastic Cap / Ply Wooden Case |
| hydrotest-pressure | ≥ 100 bar (1500 psi) | purchasing-standard | ASTM A790 + SA 790 |
| en-10216-equivalent-grade | 1.4507 | max-service-temperature | 300°C (572°F) |
| Brand Name | YUHONG | Model Number | ASTM A790 UNS S3750 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHIAN |
| High Light | ASTM A790 Super Duplex pipe ，S37500 stainless steel seamless pipe ，Super Duplex steel pipe with warranty | ||
Our ASTM A790 UNS S3750 (UNS S37500) seamless pipes deliver exceptional pitting/stress corrosion resistance in chloride-rich environments. Manufactured through rotary piercing and cold drawing, these super duplex stainless steel tubes exceed ASTM A790 tolerances for demanding offshore, chemical processing, and FGD applications.
| Element | Min % | Max % | Typical % |
|---|---|---|---|
| Cr | 24.0 | 26.0 | 25.2 |
| Ni | 6.0 | 8.0 | 6.8 |
| Mo | 3.0 | 4.0 | 3.5 |
| N | 0.20 | 0.30 | 0.25 |
| C | - | 0.03 | 0.02 |
| Mn | - | 1.2 | 0.8 |
| Fe | Balance | - | 62.5 |
| Parameter | Requirement | Test Standard |
|---|---|---|
| Tensile Strength | ≥ 750 MPa | ASTM A370 |
| Yield Strength (0.2% offset) | ≥ 550 MPa | ASTM A370 |
| Elongation (% in 50mm) | ≥ 15% | ASTM A370 |
| Hardness (HBW) | ≤ 310 | ASTM E10 |
| Impact Toughness (-46°C) | ≥ 45 J | ASTM A370 |
| Dimension | Hot-Finished | Cold-Drawn |
|---|---|---|
| OD Tolerance | ±1.0% or ±0.5mm | ±0.5% or ±0.25mm |
| Wall Thickness | +20%/-0% | ±10% |
| Straightness | 3mm/m max | 1.5mm/m max |
| Region | Standard | Grade |
|---|---|---|
| International | EN 10216-5 | 1.4507 |
| Europe | EN 10088-3 | X2CrNiMoN25-7-4 |
| Japan | JIS G3463 | SUS 329J4L |
| Unified Number | UNS | S37500 |
| Industry | Critical Use Cases |
|---|---|
| Offshore Oil & Gas | Subsea manifolds, Riser pipes, Christmas trees |
| Desalination Plants | RO membranes, Brine heaters, Evaporator tubes |
| Chemical Processing | Acid coolers, Reactor coils, CIP systems |
| Pollution Control | FGD ducting, Scrubber modules |
| Pulp & Paper | Digester vessels, Bleach plants |
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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