Grade St 4
Germany W-Nr. 1.0338
Corresponding Standard DIN 1624-1987
Classification Carbon Steel
Density 7.85 g/cm3
St 4 Chemical Element Composition Content (%)
Component C Al *
Minimum Value - 0.02
Maximum Value 0.08 -
St 4 Mechanical Properties
thickness
t
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
t<3 St4 G BK Annealed G 270~350 ≥38③
t≥3 RRSt3 G BK Annealed G 270~370 ≥40④
t<3 RRSt3 LG BK Lightly Precision Rolled LG 270~350 ≤210ⓐ;≤225ⓑ ≥38③
t≥3 RRSt3 LG BK Lightly Precision Rolled LG 270~350 ≤210ⓐ;≤225ⓑ ≥40④
t<3 RRSt3 K32 BK Cold Precision Rolled K32 290~390 220~325 ≥24③
t≥3 RRSt3 K32 BK Cold Precision Rolled K32 290~390 220~325 ≥28④
t<3 RRSt3 K40 BK Cold Precision Rolled K40 390~490 ≥350 ≥6③
t≥3 RRSt3 K40 BK Cold Precision Rolled K40 390~490 ≥350 ≥14④
All Sizes RRSt3 K50 BK Cold Precision Rolling K50 490~590 ≥460 -
All Sizes RRSt3 K60 BK Cold Precision Rolling K60 590~690 ≥560 -
Approximate Comparison Table Carbon Structural Steel and Engineering Steel
Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
SPCE A619
DDS
Cr04
CR24
RRSt14
St14
1.0338 ES DC04
FeP04①
1.0338 05kp
08kp
08YU
1147 1CR
1CS
1HR
1HS
CR1

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!