BOSMAL a certified supplier of further laboratory services for the Volkswagen Group
Metal resistance properties
BOSMAL conducts resistance property testing
- Stretching tests according to PN-EN ISO 6892-1, method A and B
- Resistance Rm
- Plasticity limit Re
- Contractual plasticity limit Rp
- Lengthening A
- Necking Z
- Sintered products’ resistance to crushing using the squeezing method
- according to PN-EN ISO 2739
- Connecting element stretching tests
- PN-EN ISO 898-1, apart from 9.13
- PN-EN ISO 898-5, apart from 9.4
- PN-EN 28839
- PN-EN ISO 6157-2
- PN-EN ISO 898-2
- PN-EN ISO 2320
- Propensity to plastic deformation
- Flattening method according to PN-EN ISO 8492
- Drift expanding method according to PN-EN ISO 8493
Apparatus
- Zwick 250 kN Allround floor and testXpert II software
- INSTRON 4467 tensile testing machine
| Document No. | Title/Description |
|---|---|
| PN-EN ISO 6892-1 | Metallic materials - Tensile testing - Part 1: Method of test at room temperature |
| PN-EN ISO 898-1 | Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs with specified property classes - Coarse thread and fine pitch thread |
| PN-EN ISO 898-5 | Mechanical properties of fasteners made of carbon steel and alloy steel - Part 5: Set screws and similar threaded fasteners with specified hardness classes - Coarse thread and fine pitch thread |
| PN-EN 28839 | Mechanical properties of fasteners; nonferrous metal bolts, screws, studs and nuts |
| PN-EN ISO 6157-2 | Fasteners - Surface discontinuities - Part 2: Nuts |
| PN-EN ISO 898-2 | Mechanical properties of fasteners made of carbon steel and alloy steel - Part 2: Nuts with specified property classes - Coarse thread and fine pitch thread |
| PN-EN ISO 643 | Steels - Micrographic determination of the apparent grain size |
| PN-EN ISO 8492 | Metallic materials - Tube - Flattening test |
| PN-EN ISO 8493 | Metallic materials - Tube - Drift-expanding test |
| PN-EN ISO 2320 | Fasteners - Prevailing torque steel nuts - Functional properties |
| PN-EN ISO 2739 | Sintered metal bushings - Determination of radial crushing strength |
