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- Cold Heading & CNC
LML Metal Products Ltd.No. D309, Yunchuang E Valley, No. 3 Huanshi West Road, Tangxia Town, Dongguan City, Guangdong,China
(86) 17833674102dlynn9527@gmail.com
Materials
CNC Machining in Spring Steel
Spring steel is a high-carbon alloy steel engineered for exceptional elasticity, strength, and fatigue resistance, enabling it to return to its original shape after repeated deformation. Primarily used in springs for automotive suspensions, industrial machinery, and cutting tools, it typically contains 0.5%-1.5% carbon and alloying elements like silicon or chromium for enhanced performance
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CNC Machining in Spring Steel
Designers and engineers frequently choose spring steels for CNC machining and CNC milling parts. Makes sense. This all-purpose metal has been proven to offer:
- * Excellent machinability
- * High strength
- * Hardness
- * Heat tolerance
- * Corrosion resistance
- * Electrical conductivity
- * Low weight
- * Low cost
- * Overall versatility
Description
- Applications
- Automotive suspension springs, industrial machinery springs, mechanical components requiring high elasticity
- Strengths
- Excellent fatigue strength, High elastic limit, Good wear resistance
- Weaknesses
- Low-temperature brittleness, Hydrogen embrittlement risk, Heavy density vs. composites
- Process compatibility
- Cold coiling, Quenching & tempering, Precision grinding
- Surface Treatment
- Shot peening (residual stress), Zinc electroplating, Phosphating
Characteristics
- Price
- Aluminum has a wide range of applications from prototyping to automotive to aerospace.
- Lead Time
- ＜7 days
- Wall Thickness
- 0.75mm
- Tolerances
- ±0.125mm (±0.005″)
- Max part size
- 200 x 80 x 100 cm
Spring Steel Subtypes
| Subtypes | Yield Strength | Elongation at Break | Hardness | Density | Maximum Temp |
|---|---|---|---|---|---|
| 1095 (SAE) | 165,000 psi | 4.5% | BHN 215 | 7.85 g/cm², 0.284 lb/in³ | 1080° F |
| 5160 (AISI) | 160,000 psi | 9% | BHN 195 | 7.85 g/cm², 0.284 lb/in³ | 600°F |
| 6150 (ASTM) | 175,000 psi | 8% | BHN 210 | 7.85 g/cm², 0.284 lb/in³ | 550°F |
| 301SS | 185,000 psi* | 15% | RB 90 | 7.93 g/cm², 0.286 lb/in³ | 750°F |
| 17-7PH(AMS) | 230,000 psi | 6% | RC 44 | 7.80 g/cm², 0.282 lb/in³ | 900°F |
Spring Steels for Machining
LML offers several spring steel grades in its long list of available manufacturing materials. Two of those grades are especially well-suited material options for high-stress elastic components, whether cold-coiling or forming: Spring Steel 1095 and 5160.Spring Steel 1095 (H.T. to HRC 48): Benefits include high tensile strength, excellent fatigue resistance, and cost efficiency for general-purpose springs, clips, and washers. See data sheet for more information.Spring Steel 5160 (Chromium-Vanadium): This alloy delivers superior toughness, impact resistance, and cyclic loading endurance for automotive leaf springs, torsion bars, and heavy-duty industrial springs. See data sheet for more information.GET INSTANT QUOTE
Gallery of Spring Steel Manufactured by LML
The color of anodized finishes may exhibit some degree of variation due to standard alloy tolerance differences. Please refer to the color scheme below to observe the range of available colors.
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Read more about quality assuranceFAQs
LML takes the stress out of manufacturing by guaranteeing the quality and consistency of every part. Each order is dimensionally and visually inspected by our in-house quality control team to make sure it meets the LML Standard. If you’re not satisfied with your order, we’ll remake your parts as fast as possible, free of charge, or refund you - whichever you prefer.
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LML Metal Products Ltd.No. D309, Yunchuang E Valley, No. 3 Huanshi West Road, Tangxia Town, Dongguan City, Guangdong,China
(86) 17833674102dlynn9527@gmail.com
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