Test

Squash test, extended test, water pressure test, crystal tot test, heat treatment, NDT

Material Composition

201

202

304

316

430

C

≤0.15

≤0.15

≤0.08

≤0.08

≤0.12

Si

≤1.00

≤1.00

≤1.00

≤1.00

≤1.00

Chemical Composition

Mn

5.5-7.5

7.5-10

7.5-10

≤2.00

≤1.00

of Material

P

≤0.06

≤0.06

≤0.045

≤0.045

≤0.040

S

≤0.030

≤0.030

≤0.030

≤0.030

≤0.030

Cr

16 to 18

17 to 19

18 to 20

16 to 18

16 to 18

N

3.5 to 4.5

4 to 6

8 to 10.5

10 to 14

Mo

2.0 to 3.0

Material Item

201

202

304

316

Mechanical Property

Tensile Strength

≥534

≥520

≥520

≥520

Yield Strength

≥245

≥205

≥205

≥205

Extension

≥30%

≥30%

≥35%

≥35%

Hardness (HV)

＜253

＜253

＜200

＜200