TORICH INTERNATIONAL LIMITED
| Heat Treatment | HR, CW, SR, A, N; quenched and tempered condition available for alloy grades by agreement |
| Payment Terms | T/T L/C D/P D/A WesternUnion MoneyGram Others |
| Tube Shape | Round standard; square, rectangular, and special sections available by agreement |
| Main Standard | ASTM A519 / ASME SA519 |
| Wall Thickness | 1–30 mm |
| Supply Ability | 20000 tons per year |
| Delivery Time | 4-6 weeks |
| Packaging Details | In bundles with seaworthy packing |
| Length | 1–12 m, custom cut length available |
| Material | Seamless carbon steel and alloy steel |
| Steel Grades | 1020, 1035, 1045, 4130, 4140; other grades available on request |
| Outside Diameter | 6–450 mm |
| Model Number | ASTM A513 |
| Brand Name | Torich |
| Certification | ISO9001:2008, TS16949 |
| Place of Origin | China |
View Detail Information
Explore similar products
JIS G4105 SCM440 Alloy Steel Seamless Pipes for High Temperature Applications
ASTM A501 Gr.A Gr.B Seamless Carbon Steel Tube for Construction
ASTM A501 Seamless Carbon Steel Tube for Construction
20MnG High Pressure Boiler Tube Alloy Seamless Pipe For Boilers Heat Exchangers
Product Specification
| Heat Treatment | HR, CW, SR, A, N; quenched and tempered condition available for alloy grades by agreement | Payment Terms | T/T L/C D/P D/A WesternUnion MoneyGram Others |
| Tube Shape | Round standard; square, rectangular, and special sections available by agreement | Main Standard | ASTM A519 / ASME SA519 |
| Wall Thickness | 1–30 mm | Supply Ability | 20000 tons per year |
| Delivery Time | 4-6 weeks | Packaging Details | In bundles with seaworthy packing |
| Length | 1–12 m, custom cut length available | Material | Seamless carbon steel and alloy steel |
| Steel Grades | 1020, 1035, 1045, 4130, 4140; other grades available on request | Outside Diameter | 6–450 mm |
| Model Number | ASTM A513 | Brand Name | Torich |
| Certification | ISO9001:2008, TS16949 | Place of Origin | China |
| High Light | precision stainless steel tubing ，seamless carbon steel tube | ||
| Item | Description |
|---|---|
| Material | Seamless carbon steel and alloy steel |
| Main Standard | ASTM A519 / ASME SA519 |
| Steel Grades | 1020, 1035, 1045, 4130, 4140; other grades available on request |
| Outside Diameter | 6-450 mm |
| Wall Thickness | 1-30 mm |
| Length | 1-12 m, custom cut length available |
| Tolerance Range | As per ASTM A519 or agreed drawing tolerance; cold-finished tubes available for tighter OD/wall control |
| Straightness | Typically ≤1.5 mm/m; tighter straightness available after straightening |
| Surface Condition | Hot finished, cold drawn, pickled, oiled, polished, or machined surface |
| Heat Treatment | HR, CW, SR, A, N; quenched and tempered condition available for alloy grades by agreement |
| Tube Shape | Round standard; square, rectangular, and special sections available by agreement |
| End Finish | Plain end, deburred, chamfered, or cut-to-length |
| Feature | Technical Detail |
|---|---|
| Seamless tube body | No longitudinal weld seam, suitable for mechanical parts requiring uniform wall integrity and machining stability. |
| Size range | OD 6-450 mm, wall thickness 1-30 mm, length up to 12,000 mm. |
| Carbon and alloy grade options | 1020 for low-carbon machinable parts; 1035/1045 for higher carbon strength; 4130/4140 for Cr-Mo alloy strength and heat-treatment response. |
| Controlled carbon range | 1020: C 0.18-0.23%; 1045: C 0.43-0.50%; 4130: C 0.28-0.33%; 4140: C 0.38-0.43%. |
| Alloy strengthening | 4130 and 4140 contain Cr 0.80-1.10% and Mo 0.15-0.25%, improving hardenability and strength after heat treatment. |
| Multiple delivery conditions | HR, CW, SR, A, and N conditions are available to balance machinability, yield strength, elongation, and hardness. |
| High-strength option | 4140 HR/SR condition reaches 120 ksi / 855 MPa tensile strength in the reference data. |
| Machining suitability | Applicable to bushings, sleeves, shafts, pins, cylinder components, and machined mechanical parts. |
| Professional Concern | Our Solution |
|---|---|
| OD/wall tolerance and finished ID control | For machined mechanical components, we confirm critical dimensions before production: OD-controlled, ID-controlled, wall-controlled, or machining-allowance-controlled. |
| Correct grade and heat-treatment condition | We match 1020, 1035, 1045, 4130, or 4140 with HR, CW, SR, A, or N condition according to machining, forming, hardness, and strength requirements. |
| Stable surface and mechanical performance | We control cold drawing, straightening, surface protection, heat treatment, and inspection records to reduce variation between batches. |
| Standard System | Applicable Standard | Short Description |
|---|---|---|
| ASTM / ASME | ASTM A519 / ASME SA519 | Seamless carbon and alloy steel mechanical tubing; hot-finished or cold-finished. |
| EN | EN 10305-1 | Seamless cold-drawn precision steel tubes with defined dimensional tolerances and surface quality. |
| EN | EN 10297-1 | Seamless circular steel tubes for mechanical and general engineering purposes. |
| JIS | JIS G3445 | Carbon steel tubes for machine structural purposes. |
| GB | GB/T 3639 | Seamless cold-drawn or cold-rolled precision steel tubes for precision applications. |
| GB | GB/T 8162 | Seamless steel tubes for structural purposes. |
| GOST | GOST 8733 / GOST 8734 | Cold-worked seamless steel tubes and dimensional requirements. |
| Grade | C % | Mn % | P max % | S max % | Si % | Cr % | Mo % |
|---|---|---|---|---|---|---|---|
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | -- | -- | -- |
| 1035 | 0.32-0.38 | 0.60-0.90 | 0.040 | 0.050 | -- | -- | -- |
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.040 | 0.050 | -- | -- | -- |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| Grade | Condition | Tensile Strength ksi | Tensile Strength MPa | Yield Strength ksi | Yield Strength MPa | Elongation % | Rockwell Hardness B Scale |
|---|---|---|---|---|---|---|---|
| 1020 | HR | 50 | 345 | 32 | 221 | 25 | 55 |
| 1020 | CW | 70 | 483 | 60 | 414 | 5 | 75 |
| 1020 | SR | 65 | 448 | 50 | 345 | 10 | 72 |
| 1020 | A | 48 | 331 | 28 | 193 | 30 | 50 |
| 1020 | N | 55 | 379 | 34 | 234 | 22 | 60 |
| 1035 | HR | 65 | 448 | 40 | 276 | 20 | 72 |
| 1035 | CW | 85 | 586 | 75 | 517 | 5 | 88 |
| 1035 | SR | 75 | 517 | 65 | 448 | 8 | 80 |
| 1035 | A | 60 | 414 | 33 | 228 | 25 | 67 |
| 1035 | N | 65 | 448 | 40 | 276 | 20 | 72 |
| 1045 | HR | 75 | 517 | 45 | 310 | 15 | 80 |
| 1045 | CW | 90 | 621 | 80 | 552 | 5 | 90 |
| 1045 | SR | 80 | 552 | 70 | 483 | 8 | 85 |
| 1045 | A | 65 | 448 | 35 | 241 | 20 | 72 |
| 1045 | N | 75 | 517 | 48 | 331 | 15 | 80 |
| 4130 | HR | 90 | 621 | 70 | 483 | 20 | 89 |
| 4130 | SR | 105 | 724 | 85 | 586 | 10 | 95 |
| 4130 | A | 75 | 517 | 55 | 379 | 30 | 81 |
| 4130 | N | 90 | 621 | 60 | 414 | 20 | 89 |
| 4140 | HR | 120 | 855 | 90 | 621 | 15 | 100 |
| 4140 | SR | 120 | 855 | 100 | 689 | 10 | 100 |
| 4140 | A | 80 | 552 | 60 | 414 | 25 | 85 |
| 4140 | N | 120 | 855 | 90 | 621 | 20 |
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
#torich-about-brief, #torich-about-brief * { box-sizing: border-box; } #torich-about-brief { --torich-red: #d71920; --torich-dark: #222a31; --torich-text: #4f5962; --torich-muted: #77818a; --torich-line: #e7eaed; --torich-soft: #f6f7f8; width: 100%; color: var(--torich-text); ... #torich-about-brief, #torich-about-brief * { box-sizing: border-box; } #torich-about-brief { --torich-red: #d71920; --torich-dark: #222a31; --torich-text: #4f5962; --torich-muted: #77818a; --torich-line: #e7eaed; --torich-soft: #f6f7f8; width: 100%; color: var(--torich-text); ...
Get in touch with us
Leave a Message, we will call you back quickly!