Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C AT SIGHT |
| Supply Ability | 100 tons per month |
| Delivery Time | Depending on QTY |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A249 / ASME SA249 |
| Outside diameter | 3.2 mm ~ 304.8 mm (1/8" ~ 12") |
| Wall thickness | 0.4 mm ~ 8.1 mm (0.015" ~ 0.320") |
| Length | Fixed length 6m/12m, or as required |
| Manufacturing process | high-frequency resistance welding |
| Surface condition | Bright annealing (BA), 2B, polishing, acid pickling passivation (AP) |
| Non destructive testing | 100% RT (X-ray), water/air pressure test |
| Application | Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| Brand Name | YUHONG |
| Model Number | A249/SA249 TP316L |
| Certification | PED, EAC, ISO 9001, TS etc... |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C AT SIGHT | Supply Ability | 100 tons per month |
| Delivery Time | Depending on QTY | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A249 / ASME SA249 | Outside diameter | 3.2 mm ~ 304.8 mm (1/8" ~ 12") |
| Wall thickness | 0.4 mm ~ 8.1 mm (0.015" ~ 0.320") | Length | Fixed length 6m/12m, or as required |
| Manufacturing process | high-frequency resistance welding | Surface condition | Bright annealing (BA), 2B, polishing, acid pickling passivation (AP) |
| Non destructive testing | 100% RT (X-ray), water/air pressure test | Application | Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| Brand Name | YUHONG | Model Number | A249/SA249 TP316L |
| Certification | PED, EAC, ISO 9001, TS etc... | Place of Origin | China |
| High Light | TP316 Stainless Steel Welded Tube ，ASME SA249 Stainless Steel Welded Tube ，ASTM SS Welded Tube | ||
A249 TP316L Stainless Steel Welded Tube Bright Annealed, for Heat Exchanger / Boiler / Condenser
ASTM A249 TP316L Bright Annealed (BA) Welded Tube is a precision welded austenitic stainless steel tube, manufactured to the ASTM A249 standard for boiler, superheater, heat exchanger, and condenser service.
Dimension and Tolerance
1. Conventional size range:
The outer diameter range typically provided is 3.2mm to 127mm, and the wall thickness range is 0.4mm to 8.1mm. Sizes beyond this range can also be customized through negotiation.
2. Typical tolerances:
3. Supply length: straight or coiled pipe (U-shaped pipe, coiled pipe, etc.).
Manufacturing and process requirements
Equivalent Grades of A249 TP316L
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| TP316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Chemical Composition of A249 TP316L Stainless Steel Welded Tube
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| TP316L | min. max. |
- 0.03 |
- 2.0 |
- 0.75 |
- 0.045 |
- 0.03 |
16.0 18.0 |
2.00 3.00 |
10.0 14.0 |
- 0.10 |
Mechanical Properties of A249 TP316L Stainless Steel Welded Tube
| Grade | Tensile Strength (MPa) min | ield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| TP316L | 485 | 170 | 40 | 95 | 217 |
Physical Properties of A249 TP316L Stainless Steel Welded Tube
| Grade | Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Elec Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
| TP316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 |
7 |
Applications of A249 TP316L Stainless Steel Welded Tube
Boiler and superheater (working under high temperature and high pressure);
Heat exchanger (core component of shell and tube heat exchanger);
Condenser (commonly used in power plants, ships, and chemical plants);
Fluid transportation pipelines in the petrochemical, food processing, and pharmaceutical 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 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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