410 Grade Martensitic Stainless Steel Seamless Pipe for Automotive Parts Cold Drawn
Product Details
Automotive Parts Stainless Steel Pipe
,410 Grade Seamless Pipe
,Cold Drawn Martensitic Stainless Steel Pipe
410 Stainless Steel Seamless Pipe (Martensitic) for Automotive Parts
Material Overview
410 is a basic martensitic stainless steel (≈12% Cr class) designed for applications that need higher strength, wear resistance, and moderate corrosion resistance compared with carbon steels. It is commonly supplied annealed or quenched & tempered to reach targeted hardness/strength levels for machined automotive components.
Specifications
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Product type: Martensitic stainless steel seamless pipe / tube
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Typical supply condition: Annealed / Quenched & Tempered (as required)
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Typical size range (customizable):
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OD: 6–219 mm (or per drawing)
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WT: 1–30 mm (or per drawing)
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Length: fixed or random (commonly up to 6 m / 12 m)
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End type: Plain / Beveled / Threaded (optional)
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Surface: Pickled, polished, bright annealed, or as specified
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Inspection/Documentation (optional): EN 10204 3.1 MTC, dimensional report, PMI, NDT
Main Features
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Heat-treatable strength: Can be hardened and tempered for demanding mechanical loads.
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Wear resistance: Suitable for parts facing friction/abrasion (shafts, bushings, sleeves).
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Moderate corrosion resistance: Performs well in mild atmospheres/fresh water; best when hardened and finished smooth.
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Magnetic (ferromagnetic): Typical of straight-chromium martensitic grades.
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Temperature capability (application-dependent): Often referenced with scaling resistance around ~650°C (typical guidance varies by condition and environment).
Our Advantages
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Chemistry & traceability you can audit
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Each heat can be supplied with MTC (EN 10204 3.1) and full heat/lot traceability.
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Optional PMI verification to confirm grade identity before machining or assembly.
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Dimensional precision for machining yield
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Automotive buyers often prioritize OD/WT consistency, straightness, and ovality to reduce scrap and improve CNC efficiency.
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We support tight dimensional control with 100% dimensional checks (and reporting when requested).
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Heat-treatment control & joining guidance
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Martensitic stainless steels are performance-sensitive: hardness/strength must match the application, and welding requires correct procedures.
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We can supply to targeted conditions (annealed or Q&T) and provide guidance such as preheating and post-weld heat treatment practices for 410 to reduce cracking risk.
Chemical Composition
| Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Cr (%) | Mo (%) | Ni (%) |
|---|---|---|---|---|---|---|---|---|
| 410 (S41000) | 0.08–0.15 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 11.5–13.5 | — | — |
| 420 (S42000) | ≥0.15 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 12.0–14.0 | — | — |
| 431 (S43100) | ≤0.20 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 15.0–17.0 | — | 1.25–2.50 |
| 416 (S41600) | ≤0.15 | ≤1.25 | ≤1.00 | ≤0.06 | ≥0.15 | 12.0–14.0 | — | — |
| 440C (S44004) | 0.95–1.20 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 16.0–18.0 | ≤0.75 | — |
Mechanical Properties
| Grade | Condition | Tensile Strength (MPa) | 0.2% Yield (MPa) | Elongation (%) | Hardness (typical limit) |
|---|---|---|---|---|---|
| 410 | Annealed | ≥480 | ≥275 | ≥16 | — |
| 420 | Annealed | 655 | 345 | 25 | ≤255 HB |
| 431 | Annealed | 862 | 655 | 20 | ≤285 HB |
| 416 | Annealed | 517 | 276 | 30 | ≤262 HB |
| 440C | Annealed | 758 | 448 | 14 | ≤269 HB |
Applicable Standards
(Final execution standard depends on your service conditions and order requirements.)
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ASTM: ASTM A268/A268M — seamless & welded ferritic/martensitic stainless steel tubing for general service
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EN: EN 10297-2 — seamless stainless steel tubes for mechanical and general engineering purposes
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GOST: GOST 9940 (hot-finished tubes) / GOST 9941 (cold-/warm-formed tubes)
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JIS: JIS G3459 — stainless steel pipes
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GB: GB/T 14976 — seamless stainless steel pipes for fluid transport; GB/T 13296 — tubes for boiler and heat exchanger
Application Areas
General fields: Automotive, mechanical engineering, pumps/valves, fasteners, wear-resistant parts.
Typical automotive uses :
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Shafts & sleeves: steering/drive-related shafts, precision sleeves, bushings (wear + strength focus)
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Fasteners & structural hardware: bolts, nuts, studs in moderate corrosion environments
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Heat-adjacent components: selected exhaust/thermal hardware where strength + oxidation resistance are needed (service-condition dependent)
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
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.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
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.
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