TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C,D/A,D/P,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 | Automotive Mechanical |
| Outer diameter(round) | 6–323.8 mm |
| Wall Thickness | 1–50 mm |
| Standard | ASTM A519,EN 10297-1,GOST 4543,JIS 4053,GB/T 3639 |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade | SCM415 SCM420 SCM430 SCM435 SCM440 |
| Alloy or not | Non-alloy,Is Alloy |
| Section shape | Round,Rectangular |
| Length | 6M or as requirement,As customer's require |
| Brand Name | TORICH |
| Model Number | Automotive Steel Pipe |
| Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | ISO9001 ISO 14001 TS16949 |
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Product Specification
| Payment Terms | L/C,D/A,D/P,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 | Automotive Mechanical | Outer diameter(round) | 6–323.8 mm |
| Wall Thickness | 1–50 mm | Standard | ASTM A519,EN 10297-1,GOST 4543,JIS 4053,GB/T 3639 |
| Technique | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn | Grade | SCM415 SCM420 SCM430 SCM435 SCM440 |
| Alloy or not | Non-alloy,Is Alloy | Section shape | Round,Rectangular |
| Length | 6M or as requirement,As customer's require | Brand Name | TORICH |
| Model Number | Automotive Steel Pipe | Certification | ISO9001 ISO 14001 TS16949 |
| Place of Origin | ISO9001 ISO 14001 TS16949 | ||
| High Light | Automotive Mechanical Precision Steel Pipe ，SCM430 Alloy Seamless Steel Pipe ，Cold Drawn Alloy Steel Pipe | ||
This product is a precision seamless mechanical steel pipe manufactured from JIS SCM-series chromium–molybdenum (Cr-Mo) alloy steels. These steels are widely used for automotive and high-load mechanical parts because they combine high strength, good hardenability, fatigue resistance, and stable machining performance. Chemical composition requirements for SCM415/420/430/435/440 are defined in JIS G4053.
Product type: Precision mechanical seamless steel pipe / tube (hot-finished and/or cold-finished)
Typical OD range: 6–323.8 mm (0.25"–12 3/4")
Typical wall thickness: 1–50 mm (as required by design)
Length: 3–12 m random; fixed length on request
Manufacturing process: hot piercing → hot rolling → cold drawing/cold finishing (optional) → heat treatment (optional) → straightening → NDT/inspection
Supply condition (optional): Annealed / Normalized / Stress-relieved / Quenched & tempered (per requirement)
Seamless structure for reliable pressure and fatigue performance
Excellent heat-treat response (carburizing / quenching & tempering / induction hardening depending on grade)
High strength-to-weight ratio for lightweight automotive design
Good machinability for precision turning, drilling, honing, and threading
Stable quality suitable for mass-production components
“Can you hold tight tolerances for automated assembly?”
We offer cold-finished options with controlled OD/ID consistency, straightness, and surface quality, enabling stable fit-up for bushings, shafts, sleeves, and welded sub-assemblies.
“Can you deliver the exact heat-treatment condition I need?”
We can supply multiple delivery conditions commonly used for mechanical tubes (e.g., hot-finished/cold-finished and normalized/annealed/stress-relieved), and align the condition to your target machining or performance requirements.
“How do you ensure compliance and traceability for automotive programs?”
We provide heat/lot traceability, inspection documentation (e.g., chemical analysis, dimensional reports), and optional NDT (UT/ET) to support consistent qualification and repeatable supply.
| JIS Grade | C | Si | Mn | P (max) | S (max) | Cr | Mo |
|---|---|---|---|---|---|---|---|
| SCM415 | 0.13–0.18 | 0.15–0.35 | 0.60–0.85 | 0.030 | 0.030 | 0.90–1.20 | 0.15–0.30 |
| SCM420 | 0.18–0.23 | 0.15–0.35 | 0.60–0.85 | 0.030 | 0.030 | 0.90–1.20 | 0.15–0.30 |
| SCM430 | 0.28–0.33 | 0.15–0.35 | 0.60–0.85 | 0.030 | 0.030 | 0.90–1.20 | 0.15–0.30 |
| SCM435 | 0.33–0.38 | 0.15–0.35 | 0.60–0.85 | 0.030 | 0.030 | 0.90–1.20 | 0.15–0.30 |
| SCM440 | 0.38–0.43 | 0.15–0.35 | 0.60–0.85 | 0.030 | 0.030 | 0.90–1.20 | 0.15–0.30 |
| Grade | Tensile Strength Rm | Yield Strength (Rp0.2 / Re) | Elongation A |
|---|---|---|---|
| SCM415 | 640–930 MPa | ≥ 440 MPa | ≥ 11% |
| SCM420 | 980–1270 MPa | ≥ 685 MPa | ≥ 8% |
| SCM430 | 670 MPa | 435 MPa | 25.5% |
| SCM435 | 900–1100 MPa | ≥ 650 MPa | ≥ 12% |
| SCM440 | 655 MPa | 415 MPa | 25.7% |
ASTM: ASTM A519/A519M (Seamless carbon & alloy steel mechanical tubing; hot-finished and cold-finished)
EN: EN 10297-1 (Seamless circular tubes for mechanical and general engineering purposes); EN 10083 / EN 10084 (typical related steel families for Q&T / case-hardening)
GOST: GOST 4543 (Alloy structural steels)
JIS: JIS G4053 (Low alloy steels for machine structural use); JIS mechanical-tube standards can be applied per project requirement
GB: GB/T 3639 (Cold drawn/honed precision seamless steel tubes); GB/T 3077 (Alloy structural steels)
Primary sectors: Automotive, construction machinery, industrial equipment, hydraulic/mechanical systems, high-strength shafts and sleeves.
Typical automotive usage (examples):
Transmission & drivetrain: drive shafts, axle sleeves, spline sleeves
Steering & chassis: steering shafts, torsion bars, stabilizer components
Powertrain & structural parts: high-strength bushings, pins, precision sleeves
General machining parts: spacers, collars, threaded mechanical components
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
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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