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Stainless Steel Flat Bar Is A Kind Of Stainless Steel Bar, It Is Also Called Square Bar.

Application area: Beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container frame and warehouse shelves.

Application area: Beams, bridges, towers, hoisting and conveying machinery, ships, industrial furnace, reaction tower, container frame and warehouse shelves.

201 Chemical composition(WT%)


(C) :≤0.03

(Si) :≤0.75


(Cr) :16.0 to 18.0

(N) :≤0.25

(P) :≤0.060

(S) :≤0.030

(Ni) : 2.0 to 4.0%

(Cu) : Half 0.8%  ,High 1.5%


304Chemical composition(WT%)

(C) :≤0.08

(Si) :≤1.00

(Mn) :≤2.00

(Cr) :18.0 to 20.0

(P) :≤0.045

(S) :≤0.030

(Ni) : 8 to 10.5%


physical property


tensile strength:≥520MPa

Yield strength:≥275MPa

Elongation:55 to 60%

physical property

tensile strength:≥520MPa


Yield strength:≥205MPa

Elongation:≥40%


430Chemical composition(WT%)


(C) :≤0.12

(Si) :≤0.75

(Mn) :≤1.00

(Cr) :16.0 to 18.0

(P) :≤0.040

(S) :≤0.030

(Ni) : ≤0.60

316L Chemical composition(WT%)


(C) :≤0.03

(Si) :≤1.00

(Mn) :≤2.00

(Cr) :16.0 to 18.5

(P) :≤0.045

(S) :≤0.030

(Ni) : 10.0 to 14.0


(Mo): 2.0 to 3.0


physical property


tensile strength:≥451MPa

Yield strength:≥206MPa

Elongation:≥22%


physical property


tensile strength:≥520MPa

Yield strength:≥205MPa

Elongation:more than 40


We have large stock of stainless steel flat bar, such as 201,304,430,316L

Usually, it only takes 5 working days for us to make delivery if the products are ready in stock.

Stainless steel flat bar

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