A4 Steel

Time:2019-08-14

chemical composition:

alloy

%

Cr

Mo

C

Mn

Si

S

P

N

A4

min

16.5

1.8


12




0.2

max

18.5

2.2

0.08

15

0.7

0.02

0.045

0.3


The minimum mechanical properties of steel at room temperature:

Static

Tensile Strength Rm N/mm²

Yield Strength Rp0.2 N/mm²

ElongatSion A5  %

Brinell hardness  HB

Solution treatment

480

255

25

-

 

A4 steel alloy has the following characteristics:

This is a dual-phase steel with better corrosion resistance than the commonly used austenitic steel with a molybdenum content of 2% to 3%.


Application areas of A4 steel:

Used in the manufacture of fertilizer equipment, full cycle urea plant.



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