Construction alloy steel – for hardening and tempering chromium-manganese-silicon-nickel
30HGSNA PN-72/H-84035
Steel grade

Standard

Chemical composition (%)

C
Mn
Si
P
S
Cu
Cr
Ni
other
30HGSNA
PN
0,27
0,34
1,00
1,30
0,90
1,20
max
0,030
max
0,025
max
0,30
0,90
1,20
1,40
1,80
-
30HGSN2A
30KHGSN2A
30ChGSN2A
30ХГСН2А
GOST
4543-71
0,27
0,34
1,00
1,30
0,50
1,20
max
0,025
max
0,025
max
0,30
0,90
1,10
1,40
1,80
-
30HGSN2A
BDS
0,27
0,34
1,00
1,30
0,90
1,20
max
0,025
max
0,025
max
0,30
0,90
1,10
1,40
1,80
-
16 532
16532
CSN
0,27
0,34
1,00
1,30
0,90
1,20
max
0,025
max
0,025
max
0,30
0,90
1,10
1,40
1,80
-
Steel used for the most loaded parts of machines and engines, which require very good plastic properties, 
the grade used, among the others, in aviation industry.
The company offers species 30HGSNA as rolled and forged bars, round, flat, square, and forgings.
Alfa-Tech Poland Alfa-Tech round bars www.atsteels.com Poland seamless tubes poland rury bezszwowe zaroodporne i specjalne importowane