Screw connections in the strength classes according to ISO 898 - Part 1
Typical examples: Materials according to EN 10083
- Quality class 5.6 (C35E; St 50-2)
 - Quality class 8.8 (37Cr4, 41Cr4, 42CrMo4)
 - Quality class 10.9 (42CrMo4; 34CrNiMo6; 30CrNiMo8, 30CrMoV9)
 - Quality class 12.9 (42CrMo4; 34CrNiMo6; 30CrNiMo8, 30CrMoV9)
 
Steels and nickel alloys for fastening elements for use at increased and/or low temperatures according to DIN EN 10269 (DIN 17240), (DIN 17280)
Typical example:
- CK35 (1,1181)
 - 25CrMo4 (1.7258)
 - 21CrMoV5-7 (1.7709)
 - 40CrMoV4-7 (1.7711)
 - X22CrMoV12-1 (1.4923)
 - X19CrMoVNbN11-1 (1.4913)
 - NiCr20TiAl (2.4952)
 
Stainless materials according to DIN EN 10088 /DIN 17440
Typical examples:
- X20Cr13 (1.4021)
 - X17CrNi16-2 (1.4057)
 - X5CrNi18-10 (1.4301)
 - X3CrNiMo17-13-3 (1.4436)
 - X6CrNiTi18-10 (1.4541)
 - X6CrNiMoTi17-12-2 (1.4571)
 
Nut or nut-like connections in strength classes according to ISO 898 - Part 2
Typical examples: Materials according to EN 10083
- Quality class 5 (C15, C35, C45)
 - Grade 8 (41Cr4, C45, 42CrMo4)
 - Grade 10 (C45, 42CrMo4, 34CrNiMo6, 30CrNiMo8, 30CrMoV9)
 - Grade 12 (42CrMo4, 34CrNiMo6, 30CrNiMo8, 30CrMoV9)
 
Steels and nickel alloys for fasteners for use at increased and/or low temperatures according to DIN EN 10269 (DIN 17240), (DIN 17280)
Typicals examples:
- CK35 (1.1181)
 - 25CrMo4 (1.7258)
 - 21CrMoV5-7 (1.7709)
 - 40CrMoV4-7 (1.7711)
 - X22CrMoV12-1 (1.4923)
 - X19CrMoVNbN11-1 (1.4913)
 - NiCr20TiAl (2.4952)
 
Stainless materials according to DIN EN 10088 /DIN 17440
Typical materials:
- X20Cr13 (1.4021)
 - X17CrNi16-2 (1.4057)
 - X5CrNi18-10 (1.4301)
 - X3CrNiMo17-13-3 (1.4436)
 - X2CrNiMoN22-5 (1.4462)
 - X6CrNiTi18-10 (1.4541)
 - X6CrNiMoTi17-12-2 (1.4571)