Materials of the production network
Fifteen material groups — from carbon steels to titanium, polymers and composites. Selecting the material for the operating conditions and standard is part of FLOK's engineering work.
Fifteen groups
The production network works with the full range of structural materials — matched to the product, environment and standard.
Carbon steels
St3 · St10 · St20 · St45
Alloy steels
40Kh · 40KhN2MA · 30KhGSA
High-strength steels
Classes 10.9–12.9
Corrosion-resistant steels
20Kh13 · 14Kh17N2
Heat-resistant steels
25Kh1MF · 25Kh2M1F
Cold-resistant steels
09G2S — to −70 °C
Stainless steels
12Kh18N10T · A2 · A4
Aluminium and alloys
AMg · D16T
Brass
L63 · LS59
Bronze
BrAZh9-4 · BrOTsS
Copper
M1 · M2
Titanium and alloys
VT1-0 · VT6
Polyamide
PA6 · PA66
Textolite
PT · PTK
Composites
Glass-filled and special
Common grades and their use
Approximate use of grades in fasteners and parts. Exact selection follows the operating conditions and documentation.
| Grade | Group | Typical use |
|---|---|---|
| Ст3 | Carbon structural | Embeds, steelwork, foundation bolts v1.1 |
| Ст20 | Quality carbon | Shafts, axles, bushings under moderate loads |
| 09Г2С | Low-alloy | Steelwork and cold-resistant products to −70 °C |
| 40Х | Alloy structural | Class 10.9 fasteners, shafts, gears |
| 40ХН2МА | Alloy Q&T | Critical shafts and spindles, class 12.9 fasteners |
| 20Х13 | Martensitic stainless | Fasteners and parts for steam and water |
| 12Х18Н10Т | Austenitic stainless | Fasteners and products for chemicals and up to +600 °C |
| 25Х1МФ | Heat-resistant | Flange studs for power and petrochemicals |
| Л63 | Brass | Conductive fasteners, fittings, decorative products |
| ВТ1-0 | Titanium | Light corrosion-proof fasteners for aviation and chemicals |
| ПА6 | Polyamide | Bushings, rollers, dry-running friction parts |
Standards and certificates
GOST ↔ DIN ↔ ISO mapping is on the standards page. Certificates and test reports ship with every batch on request.