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 | 20-30days upon products |
| Packaging Details | In bundles or in wooden boxes. |
| Application | Precision Applications |
| Outer diameter(round) | 30 - 426 mm, |
| Thickness | 2 - 100 mm, |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade | 1045 4130 4140 4340 8620 |
| Standard2 | ASTM A53-2007,DIN 2391,API 5L,ASTM A106-2006,DIN 17175 |
| Section shape | Round,Rectangular |
| Length | 6M or as requirement,As customer's require,8m,5.8m,2.5-8m |
| Brand Name | TORICH |
| Model Number | Seamless Cold Drawn Precision Steel Tubes |
| Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | Zhejiang/China |
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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 | 20-30days upon products | Packaging Details | In bundles or in wooden boxes. |
| Application | Precision Applications | Outer diameter(round) | 30 - 426 mm, |
| Thickness | 2 - 100 mm, | Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade | 1045 4130 4140 4340 8620 | Standard2 | ASTM A53-2007,DIN 2391,API 5L,ASTM A106-2006,DIN 17175 |
| Section shape | Round,Rectangular | Length | 6M or as requirement,As customer's require,8m,5.8m,2.5-8m |
| Brand Name | TORICH | Model Number | Seamless Cold Drawn Precision Steel Tubes |
| Certification | ISO9001 ISO 14001 TS16949 | Place of Origin | Zhejiang/China |
| High Light | High Dimensional Accuracy Precision Steel Tube ，Smooth Surface Finish Seamless Steel Tube ，Superior Mechanical Strength Alloy Steel Tube | ||
These seamless cold drawn precision steel tubes are manufactured from alloy steels including AISI 1045, 4130, 4140, and additional grades such as 4340 and 8620. They are characterized by excellent dimensional accuracy, smooth surface finish, and superior mechanical strength, making them ideal for high-performance engineering applications.
Process: Seamless, cold drawn
Material Grades: 1045, 4130, 4140, 4340, 8620
Shape: Round, customized on request
Tolerances: According to EN, ASTM, and GB standards
Condition: Annealed, normalized, quenched & tempered, or customized
| Grade | C | Mn | Si | Cr | Mo | Ni | Others |
|---|---|---|---|---|---|---|---|
| 1045 | 0.43–0.50 | 0.60–0.90 | 0.15–0.35 | – | – | – | – |
| 4130 | 0.28–0.33 | 0.40–0.60 | 0.15–0.35 | 0.80–1.10 | 0.15–0.25 | – | – |
| 4140 | 0.38–0.43 | 0.75–1.00 | 0.15–0.35 | 0.80–1.10 | 0.15–0.25 | – | – |
| 4340 | 0.38–0.43 | 0.60–0.80 | 0.15–0.35 | 0.70–0.90 | 0.20–0.30 | 1.65–2.00 | – |
| 8620 | 0.18–0.23 | 0.70–0.90 | 0.15–0.35 | 0.40–0.60 | 0.15–0.25 | 0.40–0.70 | – |
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| 1045 | 570–700 | 310–350 | 16–20 | 170–210 |
| 4130 | 560–670 | 460–560 | 20–25 | 160–200 |
| 4140 | 655–950 | 415–655 | 12–18 | 197–255 |
| 4340 | 745–1080 | 470–850 | 10–15 | 200–280 |
| 8620 | 620–850 | 415–550 | 20–30 | 160–210 |
High dimensional accuracy and smooth internal/external surfaces
Excellent toughness and fatigue resistance
High strength-to-weight ratio
Good machinability and weldability (grade dependent)
Suitable for heat treatment (quenching & tempering, carburizing, etc.)
ASTM A519 – Seamless carbon and alloy steel mechanical tubing
EN 10305-1 – Steel tubes for precision applications, seamless cold drawn tubes
JIS G4051 / G4105 – Alloy steel tubes for machine structural use
GB/T 3639 – Seamless cold drawn or cold rolled precision steel tubes
GOST 8734 – Seamless precision steel tubes
Seamless cold drawn alloy precision tubes are widely used in high-demand engineering fields:
Automotive: Drive shafts, steering components, suspension parts
Aerospace: Landing gear, structural tubing, hydraulic systems
Oil & Gas: High-pressure lines, tool joints, downhole components
Machinery: Gears, shafts, crankshafts, heavy-duty spindles
Hydraulic Systems: Cylinder tubes, precision mechanical equipment
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
Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...
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