Steels For Screws, Bolts and Studs
Steels generally used for metric screws, bolts and studs
Property Class | Size | Materials per DIN 1) | Materials per ANSI 1) |
---|---|---|---|
3.6 4.6 |
to M39 | QSt 36-2 USt 38-2 UQSt 36-2 UQSt 38-2 |
1006 1010 |
4.8 | to M16 | QSt 36-2 QSt 38-2 |
1006 1010 |
5.6 | to M39 | Cq 22 | 1022 |
5.8 | to M39 | Cq 22 Cq 35 |
1022 1035 |
8.8 | to M12 | 22B2 28B2 Cq 35 |
10B22 10B28 1035 (1038) |
to M22 | 35B2 Cq 35 Cq 45 46 Cr 1 |
10B35 1035 (1038) 1045 |
|
over M24 to M39 |
34 Cr 4 37 Cr 4 46 Cr2 |
5132 5135 |
|
10.9 | to M6 | 35B2 Cq 35 |
10B35 1035 |
over M6 to M18 |
34 Cr 4 41 Cr 4 |
5132 5140 |
|
to M39 | 41 Cr 4 34 CrMo 4 42 CrMo 4 |
5135 4137 4140 |
|
12.9 | to M18 | 34 CrMo4 37 Cr 4 41 Cr 4 |
4137 5135 5140 |
to M24 | 42CrMo 4 | 4140 | |
to M39 | 34 CrNiMo 6 | 4340 |
1) The above listed materials are generally used. It is however up to the manufacturer’s discretion to use any other material providing the final product meets the specified chemical composition and mechanical property. |
All information is strictly informative