Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 1000 Tons/Month |
| Delivery Time | Depend on quantity |
| Packaging Details | Wooden Case |
| Standard | ASTM A312 / ASME SA312 |
| Material | TP304 (UNS S30400) |
| Type | Seamless (SMLS) |
| OD (Outside Diameter) | 1/8" – 24" (3.18mm – 610mm) |
| WT (Wall Thickness) | SCH 5S – SCH 160, XXS |
| Length | 6m, 12m, Cut-to-Length |
| Ends | Plain End (PE), Beveled End (BE) |
| Applications | Chemical, Oil & Gas, Water Treatment, Industry |
| Brand Name | YUHONG |
| Model Number | ASTM A312 TP304 |
| Certification | TUV, API, PED, ISO |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 1000 Tons/Month |
| Delivery Time | Depend on quantity | Packaging Details | Wooden Case |
| Standard | ASTM A312 / ASME SA312 | Material | TP304 (UNS S30400) |
| Type | Seamless (SMLS) | OD (Outside Diameter) | 1/8" – 24" (3.18mm – 610mm) |
| WT (Wall Thickness) | SCH 5S – SCH 160, XXS | Length | 6m, 12m, Cut-to-Length |
| Ends | Plain End (PE), Beveled End (BE) | Applications | Chemical, Oil & Gas, Water Treatment, Industry |
| Brand Name | YUHONG | Model Number | ASTM A312 TP304 |
| Certification | TUV, API, PED, ISO | Place of Origin | CHINA |
| High Light | Seamless Pipe TP304 ，ASTM A312 Seamless Pipe ，High Corrosion Resistance Seamless Pipe | ||
ASTM A312 TP304 is a classic austenitic stainless steel seamless pipe, featuring high corrosion resistance, stable mechanical properties and cost-effectiveness. With seamless forming, it suits -196℃ to 650℃ working conditions, applies to fluid transport and structural support, and complies with ASTM A312 and ASME B36.10M/19M standards.
| Element | Content Range/Limit | Core Function |
|---|---|---|
| Carbon (C) | ≤0.08% | Prevents chromium carbide precipitation at high temperatures and reduces intergranular corrosion risk |
| Silicon (Si) | ≤1.00% | Improves smelting purity and oxidation resistance without affecting matrix toughness |
| Manganese (Mn) | ≤2.00% | Enhances strength and cold working performance, preventing cracking during processing |
| Phosphorus (P) | ≤0.045% | Strictly controls harmful impurities, reduces brittleness, and optimizes corrosion and welding performance |
| Sulfur (S) | ≤0.030% | Reduces hot working cracks and ensures forming quality and corrosion resistance |
| Chromium (Cr) | 18.00%-20.00% | Forms a dense chromium oxide passive film to resist erosion by multiple media |
| Nickel (Ni) | 8.00%-11.00% | Stabilizes the austenitic structure, imparts non-magnetism at room temperature, and improves comprehensive performance |
| Mechanical Properties (Compliant with ASTM A312 and GB/T 228.1-2021 Standards) | |||
|---|---|---|---|
| Performance Item | Unit | Minimum Requirement | Description |
| Tensile Strength (T.S) | MPa | ≥515 | Longitudinally sampled, stable and reliable performance |
| Yield Strength (Y.S, Rp0.2) | MPa | ≥205 | Excellent resistance to plastic deformation |
| Elongation After Fracture (EL) | % | ≥40 | Good toughness, not easy to crack during cold working |
| Brinell Hardness (HB) | - | ≤201 | Uniform hardness, suitable for processing needs |
| Rockwell Hardness (HRB) | - | ≤92 | Facilitates on-site rapid testing and evaluation |
Relying on the chromium-nickel alloy passive film, it has excellent basic corrosion resistance, capable of resisting corrosion by atmosphere, fresh water, and weak acid-base media. It contains no heavy metal precipitation and meets food-grade and pharmaceutical-grade requirements. For high chloride ion medium scenarios, the TP316 series is recommended.
Sensitization can be eliminated after solution treatment, and no intergranular corrosion cracks are found in standard tests, ensuring strong corrosion resistance stability.
| Dimension | Parameter Specification | Precision Assurance |
|---|---|---|
| Outer Diameter (OD) | Standard DN6-DN1200 (1/8"-48"), customizable | Tolerance ±0.5%, qualified roundness, laser detection |
| Wall Thickness (WT) | Covers Sch 10S-Sch 160 and XXS grades | Tolerance ±12.5%, ultrasonic detection ensures uniformity |
| Length | Fixed lengths of 6m, 9m, 12m, customizable cutting | Straightness ≤1.5mm/m, compliant dimensional tolerance |
| End Face Quality | Qualified perpendicularity, no burrs, smooth bevel | Facilitates pipeline butt installation |
1. Compliance Assurance: Strictly follows ASTM A312 standard, providing material certificates and test reports to ensure product compliance.
2. Balanced Performance: Integrates corrosion resistance, mechanical performance and processability with outstanding cost-effectiveness.
3. Customization Service: Supports customization of outer diameter, wall thickness and surface treatment to meet personalized needs.
4. Quality Commitment: Unconditionally replace or refund unqualified products, providing comprehensive pre-sales and after-sales technical services.
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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