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Acidur 4301/07

Alternative and trade names
Acidur 4301/4307 Niro-Cut, 1.4301/1.4307, Type 304/304L, F304/F304L, SUS 304
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Description

Acidur 4301 is the standard for the austenitic grades of stainless steel due to its good corrosion resistance, ease of formability and fabrication coupled with its aesthetic appearance in the polished, ground and brushed conditions. Since Acidur 4301 is not resistant to intergranular corrosion in the welded condition, Acidur 4307 should rather be specified if welding of larger sections is required and no solution annealing treatment after welding can be performed. Surface condition plays an important role in the corrosion resistance of this steel with polished surfaces exhibiting far superior corrosion resistance compared with rougher surfaces on the same material.

Properties

Electrical

Electrical resistivity ρel

7.3E-7 Ω·m at 20 °C

General

Density ρ

7.9 g/cm³ at 20 °C

Mechanical

Charpy impact energy aK,charpy

100 J at 20 °C

min

Charpy impact energy, transverse aK,charpy,Trans

60 J at 20 °C

min

Elastic modulus E

200 GPa at 20 °C

Show chart

Elongation A2 A2

40 % at 20 °C

min

Elongation A2, transverse A2,trans

40 % at 20 °C

min

Elongation A5 A5

45 % at 20 °C

min

Elongation A5, transverse A5,trans

35 % at 20 °C

min

Hardness, HBW HBW

215 [-] at 20 °C

max

Hardness, HBW, trans HBW

215 [-] at 20 °C

max

Hardness, Rockwell C HRC

22 [-] at 20 °C

max

Hardness, Rockwell C, trans HRC

22 [-] at 20 °C

max

Reduction of area Z

50 % at 20 °C

min

Reduction of area, transverse Ztrans

50 % at 20 °C

min

Tensile strength Rm

230 MPa at 20 °C

min

Tensile strength, transverse Rm,trans

230 MPa at 20 °C

min

Yield strength Rp0.2 Rp0.2

205 MPa at 20 °C

min

Yield strength Rp0.2, transverse Rp0.2,trans

205 MPa at 20 °C

min

Thermal

Coefficient of thermal expansion α

1.6E-5 1/K at 100 °C

Show chart

Specific heat capacity cp

500 J/(kg·K) at 20 °C

Thermal conductivity λ

15 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Fe

-

balance

Cr

18 - 19.5 %

Ni

8 - 10 %

Mn

2 %

max

Si

1 %

max

More

Technological properties

Application areas

Automotive industry, structural and civil engineering, Chemical industry, Food and Beverage industry,Decorative items and Kitchen Utensils, Electronic Equipment, Petrochemical industry

Processing history

Solution annealed

This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.