Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days |
| Packaging Details | Plywooden Case /Iron Case |
| Standard | ASME SA335 |
| Grade | P11 |
| Type | Seamless |
| Application | Power Plant, Petrochemical Service |
| Manufacturer | Hot finished, Cold drawn |
| Heat Treatment | Normalized，Tempered |
| Brand Name | YUHONG |
| Model Number | ASME SA335 P11 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1500 tons per month |
| Delivery Time | 15-30days | Packaging Details | Plywooden Case /Iron Case |
| Standard | ASME SA335 | Grade | P11 |
| Type | Seamless | Application | Power Plant, Petrochemical Service |
| Manufacturer | Hot finished, Cold drawn | Heat Treatment | Normalized，Tempered |
| Brand Name | YUHONG | Model Number | ASME SA335 P11 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASME SA335 P11 alloy steel pipe ，seamless steel pipe for power plants ，petrochemical service alloy steel pipe | ||
ASME SA335 P11 Seamless Alloy Steel Pipe for Power Plant & Petrochemical Service
YUHONG GROUP is a trusted global supplier of premium alloy steel pipes, specializing in ASME-certified solutions for critical industrial applications. Our ASME SA335 P11 Seamless Alloy Steel Pipes are precision-engineered to meet the demanding requirements of modern power and process industries.
Heat Treatment Requirements for ASME SA335 P11 Alloy Steel Pipe
| Parameter | Requirement | Notes |
| Grade | P11 (1.25Cr-0.5Mo) | Ferritic alloy steel |
| Heat Treat Type | Full/Isothermal Anneal or Normalize & Temper | Multiple options permitted |
| Subcritical Annealing | 1200°F [650°C] | Minimum temperature requirement |
Chemical Composition of ASME SA335 P11 Alloy Steel Pipe
| Element | UNS K11597 | Requirement (%) | Notes |
| Carbon (C) | 0.05-0.15 | Range | Controlled low carbon |
| Manganese (Mn) | 0.30-0.60 | Range | - |
| Phosphorus (P) | ≤0.025 | Max | Impurity control |
| Sulfur (S) | ≤0.025 | Max | Impurity control |
| Silicon (Si) | 0.50-1.00 | Range | - |
| Chromium (Cr) | 1.00-1.50 | Range | Key alloy element |
| Molybdenum (Mo) | 0.44-0.65 | Range | Key alloy element |
Tensile Requirements for ASME SA335 P11 Alloy Steel Pipe
| Property | Requirement | Unit | Notes |
| Tensile Strength (min) | 60 | ksi | Equivalent to 415 MPa |
| Yield Strength (min) | 30 | ksi | Equivalent to 205 MPa |
| Material Grade | P11 | - | 1.25Cr-0.5Mo Alloy Steel |
Key Advantages of ASME SA335 P11 Alloy Steel Pipe
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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