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BS EN ISO 3506-1:2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Bolts, screws and studs with specified grades and property classes >
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BS EN ISO 3506-1:2020 Fasteners. Mechanical properties of corrosion-resistant stainless steel fasteners - Bolts, screws and studs with specified grades and property classes, 2020
- undefined
- European foreword
- Endorsement notice
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols
- 5 Designation system for stainless steel grades and property classes
- 5.1 General
- 5.2 Designation of stainless steel grades (first block)
- 5.3 Designation of property classes (second block)
- 6 Materials
- 6.1 Chemical composition
- 6.2 Heat treatment for martensitic stainless steel fasteners
- 6.3 Finish
- 6.4 Corrosion resistance
- 7 Mechanical and physical properties
- 8 Applicability of test methods and inspection
- 8.1 Applicability of test methods
- 8.2 Loadability of fasteners
- 8.2.1 Fasteners with full loadability
- 8.2.2 Fasteners which have reduced loadability due to their geometry
- 8.3 Manufacturer’s inspection
- 8.4 Supplier’s inspection
- 8.5 Purchaser’s inspection
- 8.6 Delivery of test results
- 9 Test methods
- 9.1 Tensile test for fasteners
- 9.1.1 General
- 9.1.2 Test procedure for the simultaneous determination of Rmf, Rpf, and A
- 9.1.3 Reference test procedure for the determination of stress at 0,2 % non-proportional elongation, Rpf
- 9.1.4 Alternative test procedure for the determination of elongation, A
- 9.1.5 Test results and requirements for tensile strength, Rmf
- 9.1.6 Test results and requirements for stress at 0,2 % non-proportional elongation, Rpf
- 9.1.7 Test results and requirements for elongation after fracture, A
- 9.2 Tensile test for bolts and screws with reduced loadability due to head design
- 9.2.1 General
- 9.2.2 Test procedure
- 9.2.3 Test results and requirements for ultimate tensile load, Fmf
- 9.3 Tensile test for fasteners with reduced loadability due to shank design
- 9.3.1 General
- 9.3.2 Test procedure
- 9.3.3 Test results for tensile strength
- 9.4 Wedge tensile test
- 9.4.1 General
- 9.4.2 Test procedure
- 9.4.3 Test results and requirements
- 9.5 Torsional test
- 9.5.1 General
- 9.5.2 Test procedure
- 9.5.3 Test results and requirements
- 9.6 Hardness test
- 9.6.1 General
- 9.6.2 Test procedure
- 9.6.3 Test results and requirements
- 10 Fastener marking and labelling
- 10.1 Fastener marking
- 10.1.1 General requirements for marking
- 10.1.2 Marking of property class for fasteners with full loadability
- 10.1.3 Marking of property class for fasteners with reduced loadability
- 10.1.4 Additional marking
- 10.2 Manufacturer’s identification mark
- 10.3 Marking on the fasteners
- 10.3.1 Hexagon head bolts and screws
- 10.3.2 Hexagon socket or hexalobular socket bolts and screws
- 10.3.3 Other types of bolts and screws
- 10.3.4 Studs (one-end and double-end studs)
- 10.3.5 Fully threaded studs
- 10.3.6 Left-hand thread marking
- 10.4 Marking of the packages (labelling)
- Annex A (informative) Mechanical properties at elevated temperatures — Application at low temperatures
- Bibliography [Go to Page]
