Yuhong Group Co.,Ltd
| Payment Terms | L/C,T/T |
| Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS |
| Packaging Details | Ply-wooden Case / Pallet |
| Product Name | HFW Fin Tube |
| Tube Standard | Carbon Steel, Stainless Steel, Alloy Steel, Etc. |
| Type | (HFW) High Frequency Welded Fin Tube |
| Tube OD | 20mm To 219mm |
| Tube Thickness | 2mm To 16mm |
| Tube Length | Can Customized |
| Fin Thickness | 0.8mm To 4mm |
| Application | Air Cooler, Heat Exchanger, Vaporizer, Condenser |
| Brand Name | YUHONG |
| Model Number | ASTM A376 TP347H S34709 |
| 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 | 1000Tons/Month |
| Delivery Time | 7DAYS | Packaging Details | Ply-wooden Case / Pallet |
| Product Name | HFW Fin Tube | Tube Standard | Carbon Steel, Stainless Steel, Alloy Steel, Etc. |
| Type | (HFW) High Frequency Welded Fin Tube | Tube OD | 20mm To 219mm |
| Tube Thickness | 2mm To 16mm | Tube Length | Can Customized |
| Fin Thickness | 0.8mm To 4mm | Application | Air Cooler, Heat Exchanger, Vaporizer, Condenser |
| Brand Name | YUHONG | Model Number | ASTM A376 TP347H S34709 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | S34709 Fin Tube ，ASTM A376 Fin Tube ，TP347H Fin Tube | ||
ASTM A376 TP347H S34709 Stainless Steel High Frequency Welded Spiral Fin Tube
TP347H High carbon niobium containing Cr-Ni austenitic stainless steel
TP347H (1Cr19Ni11Nb) is a high carbon niobium containing Cr-Ni austenitic stainless steel, due to the stabilization element Nb, its intergranular corrosion resistance and polysulfuric acid intergranular stress corrosion resistance is good, in acid, alkali, salt and other corrosive media, its corrosion resistance is similar to the 18-8 austenitic stainless steel containing Ti. Therefore, it is widely used in boiler, power generation, petroleum, chemical industry, synthetic fiber, food, paper and other industries. Heat exchangers for large boiler superheater tubes, reheater tubes, steam pipes and petrochemical industries.
TP347H (1Cr19Ni11Nb) is a high carbon niobium containing Cr-Ni austenitic stainless steel, due to the stabilization element Nb, its intergranular corrosion resistance and polysulfuric acid intergranular stress corrosion resistance is good, in acid, alkali, salt and other corrosive media, its corrosion resistance is similar to the 18-8 austenitic stainless steel containing Ti. Therefore, it is widely used in boiler, power generation, petroleum, chemical industry, synthetic fiber, food, paper and other industries. Because Nb is less prone to burn than Ti, this steel can also be used as the welding core of chromium-nickel austenitic stainless steel. This steel has higher high temperature strength and better resistance to high temperature oxidation than 316 series, so it is often used as heat strength steel.
ASTM A376 TP347H Stainless Steel Seamless Pipe Specification
| ASTM A376 / ASME SA376 | Standard Specification for Seamless Austenitic Steel Pipe for High-Temperature Service | ||||
| Material Grade | TP304 | S30400 | TP304H | S30409 | TP304N |
| TP316LN | S31653 | TP321 | S32100 | TP321H | |
| S31725 | S31726 | S34565 | S32109 | TP347 | |
| S30451 | TP304LN | S30453 | TP316 | S31600 | |
| TP316H | S31609 | TP316N | S31651 | S34700 | |
| TP347H | S34709 | TP348 | S34800 | 16-8-2H | |
| S16800 | |||||
| Size | 1/2''~48'' | ||||
| Thickness | SCH5~SCHXXS | ||||
| End | Beveled End,Plain End | ||||
| Length | Single Random, Double Random & Cut Length | ||||
| Packing | Export Standard packing or as per your requirements. | ||||
Equivalent Grades of Stainless Steel 347/347H Seamless Pipe
| Stainless Steel | Tradename | UNS no. | Werkstoff No. |
| 347 | 347 Stainless | S34700 | 1.4550 |
| 347H | 347H Stainless | S34709 | 1.4961 |
ASTM A376 TP347H Stainless Steel Seamless Pipe Chemical Composition
| C | Mn max. | P max. | S max. | Si max. | Ni | Cr | Mo | Ti | Nb | Ta | Ni | Other |
| 0.04-0.10 | 2.00 | 0.045 | 0.03 | 0.75 | 9.0-13.0 | 17.0-19.0 | ... | ... | 8×C-1.10 | ... | ... | ... |
Mechanical properties of TP347 stainless steel (S34700):
*Tensile strength ≥ 515Mpa
*Yield strength ≥ 205Mpa
*Elongation rate ≥ 35%
TP347H Austenitic Stainless Hot Strength Steel Characteristics:
*Good corrosion resistance performance
*Excellent welding performance and thermal strength performance
TP347H stainless steel application areas:
*Large boiler superheaters, reheaters, steam pipelines, and heat exchanger fittings for petrochemical industry.
Basic characteristics of TP347H stainless steel pipe:
1. It has high high-temperature strength and high-temperature plasticity.
2. It has excellent soothing reactivity and corrosion resistance.
3. Have good preparation stability.
4. Uniform chemical composition.
5. It has good processing and welding performance.
6. High dimensional accuracy and surface quality.
Applications:
Heat exchangers for large boiler superheater tubes
Reheater tubes
Steam pipes and petrochemical industries
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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