Automotive steel

B420L steel plate

B420L steel plate

B420L belong in a cold-rolled sheet steel, cold-rolled sheet is hot rolled coils as raw material at room temperature at a temperature below the recrystallization rolling from, including board and volumes.

B420L steel performance: The main use of low-carbon steel grades, requires a good cold bending and welding properties, as well as some of the press performance.

B420L steel chemical composition

Grade

Chemical composition(Heat analysis)%

C

Si

Mn

P

S

Alt

B420L

≤0.10

≤0.30

≤0.05

≤0.030

≤0.025

≥0.010

B420L steel mechanical property

Grade

Tensile test

Yield strength

Tensile strength

Yield ratio

Elongation after fracture
A
L0=5.65√S0
(%)

180°Bending Test b
Diameter

B420L

≥215

320-420

--

≥27

0a

B420L steel is mainly used in automobile manufacturing, electrical products, rolling stock, aerospace, precision instruments, such as canned food.

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