Metal resistance properties

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