Yuhong Group Co.,Ltd
| Grade | P9 |
| Heat Treatment | Normalized, Tempered |
| Manufacture | Hot finished, Cold-drawn |
| Type | Seamless |
| Standard | ASME SA335 |
| Application | High Temperature Service |
| Payment Terms | L/C,T/T |
| Supply Ability | 1500 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Plywooden Case /Iron Case |
| Brand Name | YUHONG |
| Model Number | ASME SA335 P9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Grade | P9 | Heat Treatment | Normalized, Tempered |
| Manufacture | Hot finished, Cold-drawn | Type | Seamless |
| Standard | ASME SA335 | Application | High Temperature Service |
| Payment Terms | L/C,T/T | Supply Ability | 1500 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Plywooden Case /Iron Case |
| Brand Name | YUHONG | Model Number | ASME SA335 P9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASME SA335 P9 alloy steel pipe ，seamless ferritic steel pipe ，high temperature service steel pipe | ||
| Parameter | Requirement | Notes |
|---|---|---|
| Grade | P9 (9Cr-1Mo) | Ferritic alloy steel |
| Heat Treat Type | Normalize and Temper | Mandatory process |
| Normalizing Temperature | 1900-1975°F (1040-1080°C) | Austenitizing range |
| Cooling Media | Air cooling | No forced cooling required |
| Tempering Temperature | 1100°F min (595°C) | Subcritical annealing |
| Microstructure | Tempered martensite | Post-treatment verification |
| Element | UNS K90941 | Requirement (%) | Notes |
|---|---|---|---|
| Carbon (C) | 0.15 | Max | - |
| Manganese (Mn) | 0.30-0.60 | Range | - |
| Phosphorus (P) | 0.025 | Max | - |
| Sulfur (S) | 0.025 | Max | - |
| Silicon (Si) | 0.25-1.00 | Range | - |
| Chromium (Cr) | 8.00-10.00 | Range | Key alloy element |
| Molybdenum (Mo) | 0.90-1.10 | Range | Key alloy element |
| Property | Requirement | Unit | Notes |
|---|---|---|---|
| Tensile Strength (min) | 60 | ksi | Equivalent to 415 MPa |
| Yield Strength (min) | 30 | ksi | Equivalent to 205 MPa |
| Material Grade | P9 (Other Category) | - | 9Cr-1Mo Alloy Steel |
| Benefit | Technical Superiority |
|---|---|
| Standard Compliance | Meets minimum tensile and yield requirements per ASME SA335 |
| Reliable Performance | Proven mechanical properties for non-critical elevated temperature services |
| Material Flexibility | Suitable for applications not requiring advanced alloy grades |
| Cost-Effective | Economical alternative where ultra-high strength is unnecessary |
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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