65Mn Spring Steel Strip 0.3-2.5mm Thickness HRC 40 Cold Rolled Carbon Steel Sheet
Price:
800 - 9000 USD / ton
MOQ:
5T
Delivery Time:
60-75days
Brand:
HDT
Product Description
Product Overview
High-strength 65Mn spring steel strip available in multiple surface finishes including bright, black annealed, and cold hardened variants. This cold rolled carbon steel sheet delivers HRC 40 hardness with excellent mechanical properties for demanding industrial applications.
Available Specifications
Dimensional Ranges
- Thickness: 0.3mm - 2.5mm (±0.015mm tolerance)
- Width: 10mm - 900mm
- Inner Diameter: 200mm / 500mm (508mm for slit edge)
- Coil Weight: 0.1 - 3.5 metric tons
Quality Standards
- Temper Rolled: Full Hard, Half Hard, Quarter Hard
- Drawing Quality: Deep Drawing, Extra Deep Drawing
- Available Specifications: BS/DIN/ASTM/JIS and equivalent standards
Material Grades & Properties
Chemical Composition
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
|---|---|---|---|---|---|---|---|---|
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.90-1.20 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
| 50CrV | 0.46-0.54 | 0.17-0.37 | 0.50-0.80 | ≤0.030 | ≤0.030 | 0.80-1.10 | ≤0.35 | ≤0.25 |
| 60Si2MnA | 0.52-0.60 | 1.5-2.0 | 1.00-1.30 | ≤0.035 | ≤0.035 | ≤0.35 | ≤0.35 | ≤0.25 |
Mechanical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Reduction of Area (%) | Hardness |
|---|---|---|---|---|---|
| 65Mn | 825-925 | 520-690 | 14-21.5 | >10 | 240-270 HB (Hot-rolled) |
| 50CrV | ≥1274 | ≥1274 | ≥10 | ≥40 | ≤321 HB |
| 60Si2MnA | ≥1372 | ≥1225 | ≥5 | ≥30 | ≤321 HB |
Applications
- Appliances components
- Automotive and motorcycle parts
- Watches and precision instruments
- Optical communication equipment
- Medical device components
- Motor shaft assemblies
- Laser printer mechanisms
- Office supplies and hardware
- Sanitary products and fixtures
Packaging & Order Information
Standard Packaging
- Mill edge: 4 steel strappings with 2 wire rods through coil eye, plus circumference strapping
- Slit edge: 6 steel strappings through coil eye with edge protection
- 3-4 strips bundled per package (maximum 3MT)
- Greaseproof paper wrapping with metal corner protectors
- Wooden base for forklift handling
Order Requirements
- Minimum order quantity: 20 metric tons per size
- Custom specifications available upon request
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ZHANGJIAGANG HUA DONG ENERGY TECHNOLOGY CO.,LTD
Location
Rm. 1202, Buildiing A, Wanda Plaza, Zhangjiagang, Jiangsu, China
Contact Person
Yolanda Zou