TORICH INTERNATIONAL LIMITED
| Standard | ASTM A269 / ASME SA269 |
| Tube Type | Seamless, cold drawn / cold finished |
| Inspection | Dimensional inspection, visual inspection, PMI, mechanical test, hardness test, eddy current or hydrostatic test as required |
| Supply Ability | 6MT/Month |
| Delivery Time | 25~40days |
| Packaging Details | In wooden box or strong bundles with seaworthy packing |
| Outside Diameter | 3.0–50.8 mm; customized sizes available |
| vWall Thickness | 0.3–3.0 mm; customized thickness available |
| Length | 1–12 m, fixed length or random length; customized |
| Main Grades | TP304, TP304L, TP316, TP316L, TP321 |
| Payment Terms | L/C,T/T |
| Material | Austenitic stainless steel |
| Heat Treatment | Solution annealed / bright annealed in controlled atmosphere |
| Brand Name | Torich |
| Model Number | ASTM A269 |
| Place of Origin | China |
| Certification | ISO9001 ISO 14001 TS16949 |
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Product Specification
| Standard | ASTM A269 / ASME SA269 | Tube Type | Seamless, cold drawn / cold finished |
| Inspection | Dimensional inspection, visual inspection, PMI, mechanical test, hardness test, eddy current or hydrostatic test as required | Supply Ability | 6MT/Month |
| Delivery Time | 25~40days | Packaging Details | In wooden box or strong bundles with seaworthy packing |
| Outside Diameter | 3.0–50.8 mm; customized sizes available | vWall Thickness | 0.3–3.0 mm; customized thickness available |
| Length | 1–12 m, fixed length or random length; customized | Main Grades | TP304, TP304L, TP316, TP316L, TP321 |
| Payment Terms | L/C,T/T | Material | Austenitic stainless steel |
| Heat Treatment | Solution annealed / bright annealed in controlled atmosphere | Brand Name | Torich |
| Model Number | ASTM A269 | Place of Origin | China |
| Certification | ISO9001 ISO 14001 TS16949 | ||
| High Light | ASTM A269 Bright Annealed Tube ，TP316 Bright Annealed Stainless Steel Tube ，Bright Annealed Stainless Steel Seamless Tube | ||
| Item | Description |
|---|---|
| Material | Austenitic stainless steel |
| Standard | ASTM A269 / ASME SA269 |
| Main Grades | TP304, TP304L, TP316, TP316L, TP321 |
| Tube Type | Seamless, cold drawn / cold finished |
| Outside Diameter | 3.0-50.8 mm; customized sizes available |
| Wall Thickness | 0.3-3.0 mm; customized thickness available |
| Length | 1-12 m, fixed length or random length; customized |
| Tolerance Range | OD: ±0.05 mm or according to ASTM A269 / ASTM A450; WT: ±10% or project requirement |
| Straightness | ≤1.0 mm/m for precision straight tubes; tighter control available by agreement |
| Surface Condition | Bright annealed, smooth ID/OD, scale-free, oil-free optional |
| Heat Treatment | Solution annealed / bright annealed in controlled atmosphere |
| End Finish | Plain end, deburred, square cut |
| Inspection | Dimensional inspection, visual inspection, PMI, mechanical test, hardness test, eddy current or hydrostatic test as required |
| Feature | Technical Value |
|---|---|
| Seamless tube body | No longitudinal weld seam; suitable for pressure-sensitive fluid and gas transfer lines |
| Bright annealed surface | Scale-free finish after controlled-atmosphere annealing; reduces oxide contamination and improves sealing contact |
| TP304 corrosion resistance | 18.0-20.0% Cr and 8.0-10.5% Ni for general corrosion resistance in water, air, food-grade, and mild chemical environments |
| TP316 chloride resistance | 16.0-18.0% Cr, 10.0-14.0% Ni, and 2.0-3.0% Mo; better pitting and crevice corrosion resistance than TP304 in chloride-containing media |
| Stable mechanical strength | TP304 / TP316 minimum tensile strength: 515 MPa; minimum yield strength: 205 MPa |
| Clean forming quality | Cold drawing improves dimensional control and roundness for bending, ferrule fittings, and precision assembly |
| Heat-treated delivery | Supplied in annealed condition to reduce internal stress and support consistent forming performance |
| Buyer Concern | Practical Solution |
|---|---|
| Surface cleanliness for bright annealed tubing | Tubes can be supplied with bright annealed ID/OD, controlled oil residue, end caps, and protective packing to reduce contamination before installation. |
| Grade selection between TP304 and TP316 | TP304 is recommended for clean water, food-contact equipment, and general corrosion service; TP316 is recommended when chloride exposure, marine atmosphere, or chemical cleaning is involved. |
| Dimensional stability for fittings and bending | OD, wall thickness, ovality, and straightness can be controlled for compression fittings, orbital welding, and small-radius tube bending. Inspection records can include MTC, PMI, hardness, and eddy current test reports. |
| Standard System | Applicable Standard | Short Description |
|---|---|---|
| ASTM / ASME | ASTM A269 / ASME SA269 | Seamless and welded austenitic stainless steel tubing for general service |
| ASTM | ASTM A450 / A450M | General requirements for carbon, ferritic alloy, and austenitic alloy steel tubes |
| EN | EN 10216-5 | Seamless stainless steel tubes for pressure purposes |
| EN | EN 10217-7 | Welded stainless steel tubes for pressure purposes |
| JIS | JIS G3459 | Stainless steel pipes for corrosion resistance, low-temperature, and high-temperature service |
| GB | GB/T 14976 | Seamless stainless steel tubes for fluid transport |
| GOST | GOST 9941 | Cold- and warm-deformed seamless corrosion-resistant steel tubes |
| Grade | UNS | C max | Mn max | P max | S max | Si max | Cr | Ni | Mo | Ti / N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| TP304 | S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | -- | N ≤0.10 | Balance |
| TP304L | S30403 | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-12.0 | -- | N ≤0.10 | Balance |
| TP316 | S31600 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | N ≤0.10 | Balance |
| TP316L | S31603 | 0.03 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | N ≤0.10 | Balance |
| TP321 | S32100 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 17.0-19.0 | 9.0-12.0 | -- | Ti: 5 × C min to 0.70 max; N ≤0.10 | Balance |
| Grade | Tensile Strength min | Yield Strength min, 0.2% offset | Elongation min | Hardness max | Delivery Condition |
|---|---|---|---|---|---|
| TP304 | 515 MPa / 75 ksi | 205 MPa / 30 ksi | 35% | HRB 90 | Annealed / bright annealed |
| TP304L | 485 MPa / 70 ksi | 170 MPa / 25 ksi | 35% | HRB 90 | Annealed / bright annealed |
| TP316 | 515 MPa / 75 ksi | 205 MPa / 30 ksi | 35% | HRB 90 | Annealed / bright annealed |
| TP316L | 485 MPa / 70 ksi | 170 MPa / 25 ksi | 35% | HRB 90 | Annealed / bright annealed |
| TP321 | 515 MPa / 75 ksi | 205 MPa / 30 ksi | 35% | HRB 90 | Annealed / bright annealed |
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
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