Construction alloy steel – for hardening and tempering chromium-manganese-silicon
30HGSA PN-89/H-84030/04
Steel grade

Standard

Chemical composition (%)

C
Mn
Si
P
S
Cu
Cr
Ni
Mo
other
30HGSA
PN
0,28
0,34
0,80
1,10
0,90
1,20
max
0,025
max
0,025
max
0,30
0,80
1,10
max
0,30
-
-
30ChGSA
30HGSA
30KHGSA
30ХГСА
GOST
0,25
0,34
0,80
1,10
0,90
1,20
max
0,025
max
0,025
max
0,30
0,80
1,10
max
0,30
-
-
30ChGSA
BDS
0,28
0,34
0,80
1,10
0,90
1,20
max
0,025
max
0,025
max
0,30
0,80
1,10
max
0,30
max
0,15
-
30CrMnSiA
GB/T YB/T
0,28
0,34
0,80
1,10
0,90
1,20
max
0,025
max
0,025
max
0,30
0,80
1,10
max
0,30
-
-

Steel used for the production of parts such as shafts, connecting rods, axles, and also for the 
production of pipes used in the air industry

30HGSA grade or equivalent is provided as round-rolled bars, forgings,round bars,
square bars, flat bars, plates, cubes, tubes, plates.
Alfa-Tech Poland Alfa-Tech round bars www.atsteels.com Poland seamless tubes poland rury bezszwowe zaroodporne i specjalne importowane