We produce fasteners from materials of different property classes supplied by certified steel producers.

Property classes compliant with ISO 898-1: Property classes compliant with ISO 898-2:
4.6 6
5.6 8
8.8 10
10.9 12
12.9
(14.9)

Steel for fasteners with specified elevated and/or low temperature properties compliant with EN 10269, DIN 267/13 (DIN 17240, DIN 17280):

Material number DIN 267/13 EN 10269
1.1181 Y C35E+N
1.1181 YK C35E+QT
1.7218 KG 25CrMo4+QT
1.7725 GC 42CrMo4+QT
1.7709 GA 21CrMoV5-7+QT
1.7711 GB 40CrMoV4-6+QT
1.4923 V X22CrMoV12-1+QT 1
1.4923 VH X22CrMoV12-1+QT 2
1.4913 VW X19CrMoNbVN11-1+QT
1.4980 SD X6NiCrTiMoVB25-15-2+AT+P
Property classes of stainless steel fasteners compliant with ISO 3506-1 and ISO 3506-2:
C3-80
A2-50
A4-50

Stainless steels compliant with EN 10088-3 (DIN 17440):

Material number Material name
1.4021 X20Cr13+QT700
1.4021 X20Cr13+QT800
1.4057 X17CrNi16-2+QT800
1.4057 X17CrNi16-2+QT900
1.4418 X4CrNiMo16-5-1+QT760
1.4418 X4CrNiMo16-5-1+QT900
1.4301 X5CrNi18-10+AT
1.4305 X8CrNiS18-9+AT
1.4571 X6CrNiMoTi17-12-2+AT
1.4462 X2CrNiMoN22-5-3+AT
Alloy steel and stainless steel bolting for high temperature or high pressure service, compliant with ASTM A193/A193M: Alloy steel and stainless steel bolting materials for low temperature service, compliant with ASTM A 320/A 320M: Titanium alloys compliant with DIN 17 851, DIN 17862
B7 L7 TiAl6V4 / W.Nr. 3.7165 (Grade 5 – titanova zlitina po ASTM B 348)
B7M L7M
B16 B8
B8 B8M
B8M