Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | 1000tons/month |
| Delivery Time | 30-70 days |
| Packaging Details | Ply-wooden Case / Woven Bags in Bundle |
| Materialrd | Alloy Steel |
| Product | SMLS Pipes |
| Standard | ASTM A335 |
| Grade | P11 |
| Length | or as required |
| Application | in power plants, refineries, and petrochemical industries |
| Certificate | ISO9001-2015, API 5L, API 5CT |
| Packing Details | Ply-wooden Case / Woven Bags in Bundle |
| Brand Name | YUHONG |
| Model Number | ASTM A335 |
| Certification | ISO9001-2008, API 5L, API 5CT |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | 1000tons/month |
| Delivery Time | 30-70 days | Packaging Details | Ply-wooden Case / Woven Bags in Bundle |
| Materialrd | Alloy Steel | Product | SMLS Pipes |
| Standard | ASTM A335 | Grade | P11 |
| Length | or as required | Application | in power plants, refineries, and petrochemical industries |
| Certificate | ISO9001-2015, API 5L, API 5CT | Packing Details | Ply-wooden Case / Woven Bags in Bundle |
| Brand Name | YUHONG | Model Number | ASTM A335 |
| Certification | ISO9001-2008, API 5L, API 5CT | Place of Origin | CHINA |
| High Light | P11 Seamless Alloy Steel Pipes ，Refineries Projects Seamless Alloy Steel Pipes ，ASTM A335 Seamless Alloy Steel Pipes | ||
ASTM A335 P11 Seamless Alloy Steel Pipes For Refineries Projects
ASTM A335 This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe intended for high-temperature service.
ASTM A335 P11 is a chromium-molybdenum (Cr-Mo) alloy steel pipe widely designed for high-temperature and high-pressure applications, usually in power plants, refineries, and petrochemical industries,etc. Its balanced composition (Cr, Mo) makes it suitable for various industrial applications where moderate heat resistance and strength are required.
Chemical Composition max%
| Grade | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Molybdenum |
| P11 | 0.05-0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5-1.0 | 1.0-1.5 | 0.44-0.65 |
P11 has lower Cr content than P22, making it less oxidation-resistant but more cost-effective.
The Mo content improves creep strength and high-temperature stability.
Mechanical Property
| Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) | Tempering Temperature min |
| P11 | 0.05-0.15 | 0.3-0.6 | 0.025 | 625°C (1200°F) |
P11 pipes have good tensile strength, yield strength, and hardness, heat resistance, and corrosion resistance. With good creep,suitable for service up to 540°C / 1000°F;and P11 has better ductility than higher-grade alloys, making it easier to produce.
Applications
Power Generation (Boiler Systems)
Boiler Tubes & Headers ; Superheaters & Reheaters ; Thermal Power Plants
Oil & Gas Industry
Refinery Piping ; Hydrocarbon Cracking Units ; Catalytic Reformer Units
Petrochemical & Chemical Plants
Heat Exchangers & Condensers ; Sulfur Recovery Units (SRUs)
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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