65Mn Spring Steel Plate - Hot Rolled AISI 1066 / ASTM 1566
High-quality 65Mn spring steel strip featuring excellent mechanical properties and versatile applications across multiple industries.
Available Steel Strip Types
- Bright Steel Strip
- Black Annealed Steel Strip
- Cold Hardened Steel Strip
Technical Specifications
Quality/Industry Standards: Temper Rolled (Full Hard, Half Hard, Quarter Hard), Drawing, Deep Drawing, Extra Deep Drawing, Mediums High Carbon or equivalent materials.
Available Specifications: BS/DIN/ASTM/JIS and equivalent standards
Thickness: 0.3mm - 2.5mm (Tolerance: ±0.015mm)
Width: 10mm - 900mm
I.D.: 200mm / 500mm (slit edge: 508mm)
Coil Weight: 0.1 - 3.5 MT
Packaging Details
Mill Edge: 4 steel strapping and 2 wire rod through coil eye, 1 steel strapping on coil circumference; 3-4 strips bundled into larger coil, max 3MT per package.
Slit Edge: 6 steel strapping through coil eye, 1 steel strapping on coil circumference; 3-4 strips bundled with edge protection; max 3MT per package.
Minimum Order: 20MT per size
Spring Steel Strip Specifications
Steel Grade: 65Mn, 50CrV, 60Si2MnA, 62Si2MnA
Custom Specifications: Thickness: 0.2-4.0mm, Width: 3-400mm (as per customer request)
Delivery State: Surface Polishing + Blueing
Applications
- Appliances parts
- Automotive and motorcycle components
- Watches and instrument parts
- Optical communication components
- Medical equipment parts
- Motor shaft parts
- Laser printer components
- Office supplies parts
- Sanitary products
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 |
Hot-rolled 240-270HB |
| 50CrV |
≥1274(130) |
≥1274(130) |
≥10 |
≥40 |
Hot-rolled ≤321HB; Cold drawn+Heat treatment ≤321HB |
| 60Si2MnA |
≥1372(140) |
≥1225(125) |
≥5 |
≥30 |
Hot-rolled ≤321HB; Cold drawn+Heat treatment ≤321HB |
Our company is committed to developing with customers through first-class hardware, software, and expert teams. We manufacture products to customer satisfaction while maximizing value and striving for a prosperous future together.
Note: Chemical composition and mechanical performance index provided upon request.
