Changzhou Joyruns Steel Tube CO.,LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000T/Month |
| Delivery Time | 30days |
| Packaging Details | Plastic packing,woodenbox packing |
| Grade | A335 P11, ASTM A213 T11/P11 |
| Processing Technique | Cold drawn/Cold rolled |
| Steel Pipe | Boiler alloy steel tube |
| Size Range | 6~114.3 mm |
| Standard | ASTM A213 T11/P11 |
| Surface | NBK. +N,+C,+LC |
| Wall Thickness | 1mm-15mm |
| Applications | Boiler and Pressure Vessel,Heat Exchangers |
| Brand Name | JOYRUNS |
| Model Number | 6MM TO 140MM |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000T/Month |
| Delivery Time | 30days | Packaging Details | Plastic packing,woodenbox packing |
| Grade | A335 P11, ASTM A213 T11/P11 | Processing Technique | Cold drawn/Cold rolled |
| Steel Pipe | Boiler alloy steel tube | Size Range | 6~114.3 mm |
| Standard | ASTM A213 T11/P11 | Surface | NBK. +N,+C,+LC |
| Wall Thickness | 1mm-15mm | Applications | Boiler and Pressure Vessel,Heat Exchangers |
| Brand Name | JOYRUNS | Model Number | 6MM TO 140MM |
| Certification | ISO9001 | Place of Origin | CHINA |
Product Specification for ASTM A213 T11/P11 Alloy Seamless Steel Tubes
1. Overview
ASTM A213 T11/P11 designates seamless ferritic alloy steel tubes intended for high-temperature service in boilers, superheaters, and heat exchangers. These tubes are manufactured to withstand extreme thermal and mechanical stress in power generation, petrochemical, and refinery applications. The material combines excellent creep resistance, oxidation resistance, and weldability.
2. Chemical Composition
The chemical composition of ASTM A213 T11/P11 (Grade T11) meets stringent requirements for high-temperature performance:
| Element | Composition Range (%) |
| Carbon (C) | 0.05–0.15 |
| Manganese (Mn) | 0.30–0.60 |
| Phosphorus (P) | ≤0.025 |
| Sulfur (S) | ≤0.025 |
| Chromium (Cr) | 1.00–1.50 |
| Molybdenum (Mo) | 0.44–0.65 |
| Silicon (Si) | 0.50–1.00 |
| Iron (Fe) | Balance |
Note:
The tubes are heat-treated (normalized and tempered) to achieve the following mechanical properties:
| Property | Requirement |
| Tensile Strength | ≥415 MPa (60,200 psi) |
| Yield Strength | ≥205 MPa (29,700 psi) |
| Elongation (in 50 mm) | ≥30% |
| Hardness | ≤77 HRB (Rockwell B) |
Key Notes:
ASTM A213 T11/P11 tubes are ideal for:
Note: Custom lengths, special coatings, or additional certifications (e.g., EN 10216, PED) are available upon request.
References
ASTM A213/A213M Standard Specification.
ASME Boiler and Pressure Vessel Code, Section II.
Manufacturer Quality Assurance Documentation
Company Details
Business Type:
Manufacturer,Agent,Exporter,Seller
Year Established:
2000
Total Annual:
10000000-20000000
Employee Number:
150~300
Ecer Certification：
Verified Supplier
Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur... Changzhou Joyruns Steel Tube Co., Ltd specializes in the export of steel pipes for 20 years. We have been a leading supplier of high-quality steel pipes of carbon, alloy, nickel material & copper, which is one of the most professional Bundy and stainless steel pipe manufactur...
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