TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C,D/P,D/A,T/T,Western Union, |
| Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products |
| Packaging Details | In bundles or in wooden boxes. |
| Application | Mechanical Equipment |
| Outer diameter(round) | 30 - 426 mm, |
| Thickness | 2 - 100 mm, |
| Standard | ASTM,DIN,GB,JIS,API |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade group | A519 SAE1541 ST52 A179 |
| Length | 6M or as requirement,As customer's require |
| Brand Name | TORICH |
| Model Number | Heavy Wall Steel Tubing |
| Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | Zhejiang.China |
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Product Specification
| Payment Terms | L/C,D/P,D/A,T/T,Western Union, | Supply Ability | 60000 Ton/Tons per Year |
| Delivery Time | 20-30days upon products | Packaging Details | In bundles or in wooden boxes. |
| Application | Mechanical Equipment | Outer diameter(round) | 30 - 426 mm, |
| Thickness | 2 - 100 mm, | Standard | ASTM,DIN,GB,JIS,API |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn | Grade group | A519 SAE1541 ST52 A179 |
| Length | 6M or as requirement,As customer's require | Brand Name | TORICH |
| Model Number | Heavy Wall Steel Tubing | Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | Zhejiang.China | ||
| High Light | heavy wall carbon steel tube ，cold drawn seamless steel tube ，mechanical equipment steel tubing | ||
This product is heavy-wall, cold-drawn, seamless tubing crafted from carbon steel (typically ASTM A519 1018/1026 or SAE 1541), delivering superior dimensional tolerance, surface finish, and strength—ideal for demanding mechanical applications. Cold drawing enhances physical properties versus hot-finished tubing.
Shape: Round seamless tube
Wall Type: Heavy-wall
Process: Cold drawing (from hot-rolled billet)
Typical Sizes: OD 0.25" to 10" (6 mm to 254 mm); Wall thickness 0.035" to 1.5" (0.89 mm to 38 mm)
| Grade / Standard | C (%) | Mn (%) | P (max) (%) | S (max) (%) |
|---|---|---|---|---|
| ASTM A519 low-carbon (e.g., 1018) | 0.15–0.20 | 0.60–0.90 | 0.040 | 0.050 |
| ASTM A519 low-carbon (1026) | 0.22–0.28 | 0.60–0.90 | 0.040 | 0.050 |
| SAE 1541 (ASTM A519) | 0.36–0.44 | 1.10–1.40 | ≤ 0.04 | ≤ 0.05 |
| DIN ST52 (cold-drawn, DIN 2391) | 0.22 | 0.55 | — | — |
| A179 low-temp tube (ASTM A179) | (not specified) | (contains C, Mn, P, S) | – | – |
| Grade / Standard | Tensile Strength | Yield Strength | Elongation (%) | Hardness |
|---|---|---|---|---|
| SAE 1541 (ASTM A519) | ≥ 650 MPa | ≥ 585 MPa | ≥ 10% | ≤ 200 HB |
| CDS 1018/1026 (approx.) | Higher than hot finish, exact values depend on process | — | — | — |
| General CDS mechanical | Enhanced strength (no exact numbers provided) | — | — | — |
| Cold-drawn 41xx family (e.g. 4130) | ~85-100 ksi (~585-690 MPa) | ~70-85 ksi (~485-585 MPa) | ~20–30% | Rockwell B 90–100 |
| A179 hydraulic tubing (soft-annealed) | Tensile based on ASME B31.3; e.g., ~340 MPa | — | — | ≤ 72 HRB / 130 HV |
Excellent dimensional accuracy and tight OD/ID tolerances
Superior surface finish and uniform microstructure
Increased strength and machinability compared to hot-rolled tubing
High strength-to-weight ratio, reducing machining time and improving efficiency
ASTM A519 – Mechanical seamless tubing (cold-drawn or hot finish) for grades like 1018, 1026, etc.
ASTM A179 – Cold-drawn low-carbon steel tubes for heat exchangers and condensers
ASTM A512 – Cold-drawn buttweld mechanical tubing up to 3½″ OD
DIN 2391 – Cold-drawn seamless steel pipe (e.g., ST52 grade)
SAE/ASTM – For 41xx family alloyed steels (like 4130) used under ASTM A519 when enhanced toughness/heat treatment is needed
General Field: Mechanical equipment—bushings, bearings, spacers, hydraulic cylinders, structural components.
Use Cases within Field:
Bushings and spacers in automotive, aerospace, and heavy machinery
Bearings/hydraulic cylinder parts requiring high precision
Heavy-wall structural supports in construction, agriculture, and drilling equipment
Heat exchanger tubing (ASTM A179) in boilers, condensers, and pressurized systems
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,
it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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