980DP Carbon Steel Automotive Steel Tube Round Welded Tubing for Automotive Accessories
Automotive Steel Tube 980DP Carbon Steel Round Welded Tubing for Automotive Accessories
Material
This product is manufactured from 980DP advanced high-strength carbon steel (AHSS), a dual-phase steel known for its outstanding strength-to-weight ratio. It combines excellent formability with superior strength, making it particularly suitable for safety-critical and lightweight automotive structures.
Specifications
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Product: Automotive Steel Tube
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Grade: 980DP Carbon Steel
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Type: Round Welded Tubing
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Form: Welded, precision-engineered tubing
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Diameter & Thickness: Customized upon request
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Surface: Oiled, pickled, galvanized, or coated options available
Chemical Composition (Typical Comparison of Similar Grades)
| Grade | C (%) | Mn (%) | Si (%) | Cr (%) | Mo (%) | Nb/V/Ti (%) |
|---|---|---|---|---|---|---|
| 980DP | 0.12 | 2.00 | 0.50 | 0.50 | 0.15 | Microalloyed |
| DP780 | 0.10 | 1.80 | 0.50 | 0.30 | 0.15 | Microalloyed |
| DP590 | 0.08 | 1.70 | 0.40 | 0.25 | 0.10 | Microalloyed |
| 22MnB5 | 0.22 | 1.20 | 0.25 | 0.15 | 0.20 | B:0.002–0.005 |
| Q&P980 | 0.18 | 1.80 | 0.50 | 0.50 | 0.20 | Microalloyed |
Values are approximate and may vary with standards.
Mechanical Properties (Typical Comparison of Similar Grades)
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HV) |
|---|---|---|---|---|
| 980DP | ≥700 | ≥980 | 12–16 | 280–320 |
| DP780 | ≥500 | ≥780 | 14–18 | 230–270 |
| DP590 | ≥350 | ≥590 | 20–25 | 200–240 |
| 22MnB5 | ≥450 (before press-hardening) | ≥1600 (after press-hardening) | 5–7 | 480–550 |
| Q&P980 | ≥700 | ≥980–1200 | 12–16 | 280–340 |
Key Features
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High strength-to-weight ratio: Enables vehicle weight reduction without compromising safety.
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Excellent energy absorption: Ideal for crash-resistant automotive parts.
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Superior weldability: Compatible with automotive assembly welding techniques.
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Good formability: Maintains ductility for shaping and bending operations.
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Durability: Resistant to fatigue, making it reliable in structural automotive applications.
Standards
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ASTM: ASTM A1085 / A513 (for automotive tubular applications)
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EN: EN 10305-3 / EN 10305-5 (precision welded steel tubes)
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JIS: JIS G3445 STKM / JIS G3134 (automotive high-strength tubes)
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GB: GB/T 13793 (electric-resistance welded steel tubes)
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GOST: GOST 10704 / 10705 (welded round tubes)
Applications
General Automotive Applications:
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Chassis: Cross members, side members, crash beams
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Suspension system: Control arms, torsion beams, stabilizer components
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Safety structures: Reinforcement beams, energy-absorbing zones
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Seating systems: Seat frames, brackets
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Automotive accessories: Roof racks, pedal supports, steering column reinforcement
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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