301 Stainless Steel Strip Half Hard Temper Cold Rolled 0.1mm-3.0mm Thick X 10mm-500mm Width

301 Stainless Steel Strip Half Hard Temper | Cold Rolled, 0.1mm-3.0mm Thick x 10mm-500mm Width

Products Specification

Metallurgical Profile

Crystal Structure & Phase Stability

• Austenitic structure stabilized by 6-8% Ni content

• Strain-induced martensite formation during cold working

• TRIP effect (Transformation Induced Plasticity) enhances formability

Corrosion Performance Data

• Salt spray resistance: 500+ hours (ASTM B117)

• Pitting Resistance Equivalent Number (PREN): 18.5

• Stress corrosion cracking threshold: 40% of yield strength

Precision Manufacturing Parameters

Rolling Process Controls

• Reduction rate: 22-28% for half-hard temper

• Skin-pass rolling with 0.5-1.5% elongation

• Bright annealing in hydrogen atmosphere (dew point -60°C)

Dimensional Capabilities

• Thickness range: 0.025mm (ultra-precise) to 4.0mm

• Width capabilities: 2mm (micro-slit) to 800mm

• Edge condition options:

  • Mill edge (as-rolled)

  • Slit edge (burr <0.01mm)

  • Deburred edge (radius 0.05mm)

Performance Comparison Matrix

Property301 1/2H304 Annealed17-7PHYield Strength690 MPa205 MPa1100 MPaSpringback12°5°18°Cost Index1.01.22.5

Special Application Notes

• Medical Devices: Requires electropolishing per ASTM B912

• Aerospace: Compliant with AMS 5517 for flight control components

• Consumer Electronics: EMI shielding effectiveness >60dB at 1GHz

Quality Documentation

• Batch traceability with heat number tracking

• Microcleanliness rating: ASTM E45 Method A, ≤1.5

• X-ray fluorescence (XRF) composition verification