65Mn Spring Steel Strip 0.3-2.5mm Thickness HRC 40 Hardness Cold Rolled Heat Treated
Price:
0.85 USD/KG
MOQ:
100KGS
Delivery Time:
14 Days
Brand:
Bao Steel
Product Description
Product Overview
High-performance 65Mn spring steel strip designed for demanding industrial applications. This cold-rolled steel undergoes precise heat treatment to achieve HRC 40 hardness, ensuring exceptional strength and durability.
Available Types
- Bright Steel Strip
- Black Annealed Steel Strip
- Cold Hardened Steel Strip
Technical Specifications
Dimensions & Tolerances
- Thickness: 0.3mm - 2.5mm (±0.015mm tolerance)
- Width: 10mm - 900mm
- Inner Diameter: 200mm / 500mm (slit edge: 508mm)
- Coil Weight: 0.1 - 3.5 MT
Quality Standards
Available in various tempers including Full Hard, Half Hard, Quarter Hard, Drawing, Deep Drawing, and Extra Deep Drawing. Compliant with BS, DIN, ASTM, JIS and equivalent international standards.
Material Grades
Available in multiple high-strength spring steel grades: 65Mn, 50CrV, 60Si2MnA, 62Si2MnA
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 |
| 50CrV | ≥1274 | ≥1274 | ≥10 | ≥40 | ≤321 HB |
| 60Si2MnA | ≥1372 | ≥1225 | ≥5 | ≥30 | ≤321 HB |
Applications
Ideal for automotive components, motorcycle parts, appliance manufacturing, watch and instrument mechanisms, optical communication equipment, medical devices, motor shafts, laser printer components, office supplies, and sanitary products.
Packaging & Ordering
Standard export packing with steel strapping and wire rod reinforcement. Mill edge coils feature 4 steel straps through coil eye plus circumference strapping. Slit edge coils include 6 steel straps with edge protection. Minimum order quantity: 20 MT per size.
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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
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben