TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 45-50 work days |
| Packaging Details | Stainless Steel Boiler Tube Packing: antirust protection, In hexagon bundles, in wooden box |
| Material | Seamless austenitic stainless steel tube for boiler and heat-exchanger service |
| Main Standard | ASTM A213 / ASME SA213; optional EN 10216-5, JIS G3463, GB/T 13296, GOST 9940 / GOST 9941 |
| Grades | TP304, TP304H, TP316, TP316L, TP321; other grades available by order |
| Outside Diameter | 6–127 mm |
| Wall Thickness | 0.5–12 mm |
| Length | 1–12 m, fixed length or random length; custom cut length available |
| Tolerance Range | Cold-finished OD: D < 25 mm ±0.10 mm; 25 ≤ D ≤ 40 mm ±0.15 mm; 40 < D < 50 mm ±0.20 mm; 50 ≤ D < 65 mm ±0.25 mm; 65 ≤ D < 75 mm ±0.30 mm; 75 ≤ D ≤ 100 mm ±0.38 mm; 100 < D ≤ 127 mm +0.38 / -0.64 mm. Average wall tolerance: ±10% for cold-formed tubes or ±12 |
| Heat Treatment | Austenitic grades supplied solution annealed; typical minimum solution temperature 1040°C, followed by water quenching or rapid cooling |
| Brand Name | TORICH |
| Model Number | ASTM A213 |
| Certification | ISO9001 |
| Place of Origin | Zhejiang, China (Mainland) |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union,MoneyGram | Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 45-50 work days | Packaging Details | Stainless Steel Boiler Tube Packing: antirust protection, In hexagon bundles, in wooden box |
| Material | Seamless austenitic stainless steel tube for boiler and heat-exchanger service | Main Standard | ASTM A213 / ASME SA213; optional EN 10216-5, JIS G3463, GB/T 13296, GOST 9940 / GOST 9941 |
| Grades | TP304, TP304H, TP316, TP316L, TP321; other grades available by order | Outside Diameter | 6–127 mm |
| Wall Thickness | 0.5–12 mm | Length | 1–12 m, fixed length or random length; custom cut length available |
| Tolerance Range | Cold-finished OD: D < 25 mm ±0.10 mm; 25 ≤ D ≤ 40 mm ±0.15 mm; 40 < D < 50 mm ±0.20 mm; 50 ≤ D < 65 mm ±0.25 mm; 65 ≤ D < 75 mm ±0.30 mm; 75 ≤ D ≤ 100 mm ±0.38 mm; 100 < D ≤ 127 mm +0.38 / -0.64 mm. Average wall tolerance: ±10% for cold-formed tubes or ±12 | Heat Treatment | Austenitic grades supplied solution annealed; typical minimum solution temperature 1040°C, followed by water quenching or rapid cooling |
| Brand Name | TORICH | Model Number | ASTM A213 |
| Certification | ISO9001 | Place of Origin | Zhejiang, China (Mainland) |
| High Light | stainless tube steel ，large diameter stainless steel tube | ||
| Item | Specification |
|---|---|
| Material | Seamless austenitic stainless steel tube for boiler and heat-exchanger service |
| Main Standard | ASTM A213 / ASME SA213; optional EN 10216-5, JIS G3463, GB/T 13296, GOST 9940 / GOST 9941 |
| Grades | TP304, TP304H, TP316, TP316L, TP321; other grades available by order |
| Outside Diameter | 6-127 mm |
| Wall Thickness | 0.5-12 mm |
| Length | 1-12 m, fixed length or random length; custom cut length available |
| Tolerance Range | Cold-finished OD: D < 25 mm ±0.10 mm; 25 ≤ D ≤ 40 mm ±0.15 mm; 40 < D < 50 mm ±0.20 mm; 50 ≤ D < 65 mm ±0.25 mm; 65 ≤ D < 75 mm ±0.30 mm; 75 ≤ D ≤ 100 mm ±0.38 mm; 100 < D ≤ 127 mm +0.38 / -0.64 mm. Average wall tolerance: ±10% for cold-formed tubes or ±12.5% for hot-formed tubes when average wall is specified. |
| Straightness | Precision straightened to ≤1.5 mm/m when specified; project drawing tolerance can be agreed before production |
| Surface Condition | Annealed and pickled; bright annealed, OD/ID polished, or mechanically cleaned surface available by order |
| Heat Treatment | Austenitic grades supplied solution annealed; typical minimum solution temperature 1040°C, followed by water quenching or rapid cooling |
| Professional Buyer Concern | Our Solution |
|---|---|
| How can the buyer confirm the tube is ASTM A213 / SA213 boiler tubing, not general-purpose stainless tubing? | Each order can be supplied with heat number traceability, chemical analysis, mechanical test results, heat-treatment record, and hydrostatic or NDE inspection report. ASTM A213 is specifically for boiler, superheater, and heat-exchanger tubes, while general tubing standards are not equivalent for pressure heat-transfer service. |
| Will the OD and wall tolerance fit tube sheets, baffles, and U-bending operations? | For cold-finished tubes, OD tolerance can be controlled from ±0.10 mm on small diameters up to +0.38 / -0.64 mm on larger sizes within this product range. Average wall tolerance can be specified as ±10% for cold-formed tubes, supporting predictable expansion and bending behavior. |
| Which grade should be selected for corrosion, welding, or high-temperature duty? | TP316 / TP316L is recommended where Mo-bearing corrosion resistance is required; TP316L is used when lower carbon is preferred for welded assemblies; TP304H is used where higher creep strength is required; TP321 is selected where titanium stabilization is needed for elevated-temperature intergranular-corrosion resistance. |
| Standard System | Applicable Standard | Scope |
|---|---|---|
| ASTM / ASME | ASTM A213 / ASME SA213 | Seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes |
| EN | EN 10216-5 | Seamless stainless steel tubes for pressure and corrosion-resisting purposes at room, low, or elevated temperatures |
| GOST | GOST 9940 / GOST 9941 | Hot-deformed or cold / warm-deformed seamless corrosion-resistant stainless steel tubes, subject to grade equivalence |
| JIS | JIS G3463 | Stainless steel tubes for boiler and heat exchanger service |
| GB | GB/T 13296-2023 | Seamless stainless steel tubes for boiler and heat exchanger service |
| Grade | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti / Other | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TP304 | S30400 | ≤0.080 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 18.0-20.0 | 8.0-11.0 | -- | -- | Balance |
| TP304H | S30409 | 0.04-0.10 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 18.0-20.0 | 8.0-11.0 | -- | -- | Balance |
| TP316 | S31600 | ≤0.080 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | -- | Balance |
| TP316L | S31603 | ≤0.035 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | -- | Balance |
| TP321 | S32100 | ≤0.080 | ≤2.00 | ≤0.045 | ≤0.030 | ≤1.00 | 17.0-19.0 | 9.0-12.0 | -- | Ti: 5 × (C + N) to 0.70; N ≤0.10 | Balance |
| Grade | Heat Treatment Condition | Tensile Strength, min MPa | Yield Strength, min MPa | Elongation, min % | Hardness Limit |
|---|---|---|---|---|---|
| TP304 | Solution annealed, min 1040°C | 515 | 205 | 35 | HRB 90 max / HBW 192 max / HV 200 max |
| TP304H | Solution annealed, min 1040°C | 515 | 205 | 35 | HRB 90 max / HBW 192 max / HV 200 max |
| TP316 | Solution annealed, min 1040°C | 515 | 205 | 35 | HRB 90 max / HBW 192 max / HV 200 max |
| TP316L | Solution annealed, min 1040°C | 485 | 170 | 35 | HRB 90 max / HBW 192 max / HV 200 max |
| TP321 | Solution annealed, min 1040°C | 515 for t ≤9.5 mm; 485 for t >9.5 mm | 205 for t ≤9.5 mm; 170 for t >9.5 mm | 35 | HRB 90 max / HBW 192 max / HV 200 max |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta... A Professional Steel Pipes Materials Inventor, Manufacturer And Solution Provider TORICH INTERNATIONAL LIMITED is a professional inventor, manufacturer, and solution provider of steel pipe materials, integrating production and international trade, specializing in various precision steel pipes. Esta...
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