301 Half Hard Stainless Steel Strip ASTM A666 Compliant Precision Cold Rolled

301 Half-Hard Stainless Steel Strip | ASTM A666 Compliant | Precision Cold Rolled

Products Specification

Product Identification

• Grade: AISI 301 (UNS S30100)

• Temper: Half-Hard (1/2H)

• Equivalent Standards:

  • EN 1.4310 (X5CrNi17-7)

  • JIS SUS 301

Material Characteristics

1. Chemical Composition (%)

ElementCrNiCMnSiPSFeContent16-186-8≤0.15≤2.0≤1.0≤0.045≤0.03Balance

2. Mechanical Properties

• Tensile Strength: 900-1200 MPa

• Yield Strength (0.2% offset): 690 MPa min

• Elongation: 25% min (in 50mm)

• Hardness: 310-370 HV

• Modulus of Elasticity: 193 GPa

3. Physical Properties

• Density: 7.93 g/cm³

• Magnetic Permeability: <1.02 (Annealed), increases with cold working

• Electrical Resistivity: 72 μΩ·cm at 20°C

Manufacturing Specifications

• Production Process: Cold rolled to 1/2H temper (20-30% reduction)

• Surface Finish Options:

  • No.2B: Standard bright annealed

  • No.3: Intermediate polished (80-120 grit)

  • No.4: Brushed finish

• Dimensional Tolerances:

  • Thickness: ±0.01mm (for strips <0.5mm)

  • Width: ±0.1mm (for strips <100mm)

  • Flatness: ≤0.5mm/m

Performance Advantages

1. Work Hardening: Achieves higher strength through cold working

2. Corrosion Resistance: Superior to 304 in chloride environments

3. Fatigue Strength: 60% higher than annealed condition

4. Formability: Suitable for bending (R/t≥1) and shallow drawing

Typical Applications

• Automotive: Seat belt springs, exhaust clips

• Electronics: SIM card trays, connector pins

• Industrial: Diaphragms, snap rings

• Medical: Orthodontic archwires

Quality Assurance

• Mill Test Certificates per EN 10204 3.1

• RoHS/REACH compliant

• Custom slitting available (Min. coil weight: 50kg)