Extra hard 600 ° stainless steel strip, 301stainless steel spring

Special hard 301 stainless steel strip grade 1Cr17Ni7H. Also known as 301H stainless steel strip, 301EH stainless steel strip, 301SEH stainless steel strip

Composition%

C：≤0.15 ，

Si ：≤1.0 ，

Mn ：≤2.0 ，

Cr ：16.0～18.0 ，

Ni ：6.0-8.0，

S ：≤0.03 ，

P ：≤0.045

Performance:

301 stainless steel yield strength (N/mm2) ≥ 205

Tensile strength ≥ 520

Elongation rate (%) ≥ 40

Hardness HB ≤ 187 HRB ≤ 90 HV ≤ 200

Density 7.93 g · cm-3

Specific heat c (20 ℃) 0.502 J · (g · C) -1

Thermal conductivity λ/W (m ·℃) -1 (at the following temperatures/℃)

20 100 500

12.1 16.3 21.4

Linear expansion coefficient α/(10-6/℃) (between the following temperatures/℃) 20-100 20-200 20-300 20-400

16.0 16.8 17.5 18.1

Electrical resistivity 0.73 Ω· mm2 · m-1

Melting point 1398-1420 ℃

mechanical property 

Tensile strength σ b (MPa): ≥ 520

Conditional yield strength σ 0.2 (MPa): ≥ 205

Elongation rate δ 5 (%): ≥ 40

Shrinkage rate of cross-section (%): ≥ 60

Hardness: ≤ 187HB; ≤ 90HRB;≤ 200HV

Heat treatment specifications and metallographic structure

Heat treatment specification: rapid cooling at 1010-1150 ℃ for solid solution.

Metallographic structure: The structural characteristics are austenitic.

Shenzhen Huachang Weiye Metal Materials Co., Ltd. produces customized stainless steel strips of various materials and hardness. We can process various metal stamping parts or finished products on behalf of customers, and provide free samples