Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Tube Standard | ASTM A213 / ASME SA213 |
| Tube Material Grade | T9 / T5 / T11 / T22 |
| Type | Studded Fin Tube |
| Stud Material | Carbon Steel,Stainless Steel,Alloy Steel |
| Packing | Ply-Wooden Case, Iran Case |
| Application | Heater Parts,Refrigeration Parts,heat Exchanger,Cooler,Fluid Cooling |
| Brand Name | YUHONG |
| Model Number | ASTM A213 T9 |
| 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 /Iron Case/ Bundle with plastic Cap |
| Tube Standard | ASTM A213 / ASME SA213 | Tube Material Grade | T9 / T5 / T11 / T22 |
| Type | Studded Fin Tube | Stud Material | Carbon Steel,Stainless Steel,Alloy Steel |
| Packing | Ply-Wooden Case, Iran Case | Application | Heater Parts,Refrigeration Parts,heat Exchanger,Cooler,Fluid Cooling |
| Brand Name | YUHONG | Model Number | ASTM A213 T9 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | ASTM A213 T9 alloy steel fin tube ，studded fin tube for boiler ，boiler radiator fin tube | ||
ASTM A213 T9 Alloy Steel Studded Fin Tube For Boiler Radiador
SA213 T9 seamless steel pipe chemical composition: carbon: ≤0.15, manganese: 0.30~0.60, phosphorus ≤0.025, sulfur: ≤0.025, Silicon: 0.25~1.0, chromium: 8.0~10.0, molybdenum: 0.90~1.0
Tensile strength ≥415Mpa, yield strength ≥205Mpa, elongation ≥30%
Production range: Outer diameter: 21.3mm~762mm, wall thickness: 2.0mm~130mm
Production method: hot rolling, hot expansion, delivery condition: heat treatment, full annealing or isothermal annealing, normalizing + tempering
The product shall comply with TSG D7002 pressure pipeline element type test rules
Executive standards :ASME SA213/SA213M Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers, ASTM A213/213M Seamless ferritic and austenitic alloy steel tubes for boilers, superheaters and heat exchangers
The nail head tube (also known as needle shaped tube) is a cylindrical needle arranged in a square or hexagonal shape and welded evenly on the surface of the heat exchange tube. An efficient and energy-saving needle tube heat exchange tube group is formed by assembling and welding reinforced heat exchange nail head tubes with square or hexagonal shapes. Due to the cantilever structure and compact structure of the nail head tube needle ribs, under the impact of airflow, the needle ribs vibrate, making it difficult for soot to accumulate; Combined with the strong turbulent erosion of flue gas, the heat transfer efficiency of the nail head tube heat exchange element is high, and it has strong self cleaning ability.
The nail head tube group is particularly suitable for compact waste heat boilers, oil and gas boilers, and oil heaters. Under the same heat exchange rate, its weight and overall dimensions have significantly decreased. The anti fouling performance of the nail head tube group is significantly improved compared to other conventional enhanced heat transfer boiler tubes. In the case of low smoke temperature, the nail head tube can still economically recover waste heat, and has broad application prospects in heat exchange and energy-saving engineering.
| Base Tube Material | Stainless Steel, Carbon Steel, Alloy Stee |
| Base Tube Outside Diameter | 25 mm to 219 mm |
| Base Tube Thickness | 2 mm to 14mm |
| Length | As Client’s Request |
| Stud Material | Carbon Steel / Stainless Steel / Alloy Steel |
| Stud Thickness | 1mm to 15mm |
| Stud Pitch | 8 - 30mm Or As Customized |
| Stud Height | 5mm to 35mm |
| Bare Ends | Plain Ends / Beveled Ends / Threaded |
Chemical Propeties:
| C | 0.15 |
| Mn | 0.3-0.6 |
| P | 0.025 |
| S | 0.025 |
| Si | 0.03 |
| Cr | 1-1.5 |
| Mo | 0.9-1.1 |
Mechanical Properties:
| Tensile Strength, min | 60 Ksi, 415 MPa |
| Yield Strength, min | 30 Ksi, 205 MPa |
| Hardness, Rockwell B, max | 89 HRB |
| Hardness, Brinell, max | 179 HBW |
| Hardness, Vickers, max | 190 HV |
Inspection items:
1. chemical composition: meet the requirements:
2. size requirements; Meet the requirements
3. grain size: meet the requirements:
4. room temperature mechanical properties: meet the requirements:
5. hardness: meet the requirements:
6. flattening test;
7. Flaring test:
8. Hydraulic test: ultrasonic test or eddy current test can be used instead of hydraulic test.
9. surface quality: no oxide surface, when bright annealing can be used without pickling.
Protocol item: Stabilized heat treatment.
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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