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  • Description

Stainless Steel 304 is the basic chromium-nickel stainless steel. It combines excellent mechanical properties with excellent resistance to many corrosive agents encountered in domestic and industrial use. It is non-magnetic in the annealed condition and not hardened by heat treatment. Both hardness and tensile strength can be increased by cold working. The analysis of Type 304 is similar to that of Type 302, except that Type 304 is modified by lowered carbon content. This provides good resistance to corrosion in welded construction where subsequent heat treatment is not practicable

 

Chemical Composition

Material

C

Si

Mn

P

S

Ni

Cr

Mo

SS304

≤0.08

≤0.75

≤2.00

≤0.045

≤0.03

8.0-10.0

18~20.0

/

 

 

Mechanical Propertity

Material

Yield strength σ0.2/Mpa

Tensile strength σb/Mpa

Elongation δ5/%

Hardness Test

HB

HRB

SS304

≥205

≥515

≥40

≤201

≤92

 

 

Stainless Steel 316 is an austenitic chromiumnickel stainless steel containing molybdenum. This addition increases general corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at elevated temperatures. Properties are similar to those of Type 304 except that this alloy is somewhat stronger at elevated temperatures. Corrosion resistance is improved, particularly against sulfuric, hydrochloric, acetic, formic and tartaric acids; acid sulfates and alkaline chlorides.

 

Chemical Composition

Material

C

Si

Mn

P

S

Ni

Cr

Mo

SS316

≤0.08

≤0.75

≤2.00

≤0.045

≤0.03

10.0-14.0

16~18.0

2.0-3.0

 

 

Mechanical Propertity

Material

Yield strength σ0.2/Mpa

Tensile strength σb/Mpa

Elongation δ5/%

Hardness Test

HB

HRB

SS316

≥205

≥515

≥40

≤217

≤95

 

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