YUHONG HOLDING GROUP CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days |
| Packaging Details | Ply-Wooden Case + Iron Frame |
| Material Grade | A335 P9 |
| Standard | ASTM A335 , ASME SA335 |
| External Diameter | >38.1 |
| Ends | PE , BE |
| Tube Material | Nickel Alloy , Alloy , Stainless Steel , Duplex Stainless Steel , Carbon |
| Application | Boiler |
| Brand Name | YUHONG |
| Model Number | Boiler Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 |
| Place of Origin | China , Korea |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 10000 Tons/Month |
| Delivery Time | 5 - 90 Days | Packaging Details | Ply-Wooden Case + Iron Frame |
| Material Grade | A335 P9 | Standard | ASTM A335 , ASME SA335 |
| External Diameter | >38.1 | Ends | PE , BE |
| Tube Material | Nickel Alloy , Alloy , Stainless Steel , Duplex Stainless Steel , Carbon | Application | Boiler |
| Brand Name | YUHONG | Model Number | Boiler Tube |
| Certification | ABS, DNV-GL, LR, BV, CCS, KR, ASME, TUV, SGS, BV, IEI, IBR, ISO9001, ISO 14001, ISO 18001 | Place of Origin | China , Korea |
| High Light | Alloy Steel Boiler Tube ASTM A335 ，Power Generation Alloy Steel Boiler Tube ，Chemical Industrial Boiler tube | ||
Seamless Boiler Tube ASTM A335 P9 , Alloy Steel , Power Generation , Industrial Boiler
Grade A335 P9 is a specification for seamless ferritic alloy-steel pipe for high-temperature service. It is commonly used in applications that require high strength and resistance to oxidation and corrosion at elevated temperatures.
ASTM A335 P9 seamless boiler tubes are particularly effective in the power generation, petrochemical, chemical processing, industrial boiler, oil and gas, and marine industries. Their ability to withstand high temperatures and corrosive environments ensures long-term reliability and efficiency in demanding applications.
Chemical Composition:
| Grade | Cr | Mo | C | Mn | P | S | Si | Ni | Fe |
| A335 P9 | 8.0-10.0% | 0.9-1.10% | 0.15% maximum | 0.30-0.60% | ≤ 0.25% | ≤ 0.25% | 0.50% maximum | ≤ 0.4% | Balance |
Mechanical Properties:
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness |
| A335 P9 | Minimum 415 MPa (60,200 psi) | Minimum 220 MPa (31,900 psi) | 30% minimum in 50 mm | ≤ 85 HRB (Rockwell Hardness B) |
Key Features:
Applications:
1. Industrial Boilers
2. Power Generation Industry
3. Chemical Processing Industry
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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