Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Material Grade | P1, P2, P5, P9, P11, P12, P22, P91, P92 |
| Length Per Piece | 6 Meter Or As The Client's Request |
| Wall Thickness | 1.5-60mm |
| Surface | Black Surface, Pickled and Oiled, Coated, Etc |
| Delivery Time | 30 Days |
| End | Plain End, Bevelled End |
| Outer Diameter | 12.7-1219mm Or As Requested |
| Supply Ability | According to Clients' Requirement |
| Standard | ASTM A335, ASME SA335 |
| Applications | Heat Exchanger, Boiler, Petroleum, Fire Heater, Radiant Equipment, Condenser, Thermal Plant, Etc. |
| Packaging Details | Plywood Case / Woven Bag With End Caps |
| Model Number | P1, P2, P5, P9, P11, P12, P22, P91, P92 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
| Brand Name | YUHONG |
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Product Specification
| Payment Terms | T/T, L/C | Material Grade | P1, P2, P5, P9, P11, P12, P22, P91, P92 |
| Length Per Piece | 6 Meter Or As The Client's Request | Wall Thickness | 1.5-60mm |
| Surface | Black Surface, Pickled and Oiled, Coated, Etc | Delivery Time | 30 Days |
| End | Plain End, Bevelled End | Outer Diameter | 12.7-1219mm Or As Requested |
| Supply Ability | According to Clients' Requirement | Standard | ASTM A335, ASME SA335 |
| Applications | Heat Exchanger, Boiler, Petroleum, Fire Heater, Radiant Equipment, Condenser, Thermal Plant, Etc. | Packaging Details | Plywood Case / Woven Bag With End Caps |
| Model Number | P1, P2, P5, P9, P11, P12, P22, P91, P92 | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China | Brand Name | YUHONG |
| High Light | ASTM A335 P11 seamless alloy steel pipe ，ASME SA335 alloy steel tube for hydrocracking ，seamless alloy steel pipe with warranty | ||
ASTM A335 / ASME SA335 P11 Seamless Alloy Steel Pipe For Hydrocracking Furnace
ASTM A335 P11 alloy steel seamless pipe is specified under the ASTM A335/A335M standard, which covers seamless ferritic alloy steel pipes for high-temperature and high-pressure service. The ASTM A335 P11 alloy steel pipe features a balanced chemical composition of chromium, molybdenum and silicon. The chromium element enhances high-temperature oxidation and corrosion resistance, molybdenum improves creep strength and high-pressure durability, while silicon optimizes high-temperature surface stability. Unlike carbon steel pipes, P11 alloy steel pipes maintain stable mechanical performance under long-term high-temperature and high-pressure working conditions, making it a core material for thermal power, petrochemical and industrial high-temperature piping systems. As a seamless pipe product, it eliminates welding seam defects, ensuring integral structural uniformity and higher pressure-bearing safety.
Chemical Composition(%):
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Molybdenum (Mo) |
| 0.05-0.15 | 0.30-0.60 | ≤0.025 | ≤0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Mechanical Properties:
| Tensile Strength (Min) | 415 MPa (60ksi) |
| Yield Strength (0.2% Offset, Min) | 205 MPa (30ksi) |
| Elongation (50mm gauge length,Min ) | 30% |
Key Features of ASTM A335 P11 Alloy Steel Seamless Pipes:
High-Temperature Resistance
Superior Oxidation & Corrosion Resistance
Good Weldability & Processability
Uniform Structural Performance
Low Thermal Expansion
Good resistance to hydrogen attack
Main Applications Of P11 Seamless Pipes:
Petrochemical Industry
Industrial Furnace & Heating Equipment
Energy & Metallurgical Industry
Thermal Power Plants
Power Generation
Chemical and Fertilizer Industry
Superheater and Reheater Tubes in Boilers
Heat Exchanger Tubing in Nuclear
Furnace Tubes and Reformers.
High-temperature Steam Lines
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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