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Ferritic-pearlitic engineering steels for precipitation hardening from hot-working temperatures

90.93   Standard confirmed

ISO/TC 17/SC 4

Method for evaluating the nodularity of spheroidal carbides — Steels for cold heading and cold extruding

90.60   Close of review

ISO/TC 17/SC 4

Steels for cold heading and cold extruding — Technical delivery conditions — Part 1: Non-alloy and alloy steels

60.60   Standard published

ISO/TC 17/SC 4

Tool steels

90.93   Standard confirmed

ISO/TC 17/SC 4

Chemical analysis of steel — Order of listing elements in steel standards

90.60   Close of review

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 1: Non-alloy steels for quenching and tempering·

90.20   Standard under periodical review

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 17: Ball and roller bearing steels

60.60   Standard published

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 2: Alloy steels for quenching and tempering

90.20   Standard under periodical review

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 3: Case-hardening steels

60.60   Standard published

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 4: Free-cutting steels

90.93   Standard confirmed

ISO/TC 17/SC 4

Heat treatable steels, alloy steels and free-cutting steels — Part 5: Nitriding steels

90.93   Standard confirmed

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 6: Hot-rolled steels for quenched and tempered springs

60.60   Standard published

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 7: Bright products of non-alloy and alloy steels

60.60   Standard published

ISO/TC 17/SC 4

Steel — Hot-rolled ribbed and grooved flats for spring leaves — Tolerances and dimensions

90.93   Standard confirmed

ISO/TC 17/SC 4

Surface quality classes for hot-rolled bars and wire rod

90.93   Standard confirmed

ISO/TC 17/SC 4

Heat-treatable steels, alloy steels and free-cutting steels — Part 3: Case-hardening steels — Amendment 1

40.20   DIS ballot initiated: 12 weeks

ISO/TC 17/SC 4



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