BS 3821-2:1974
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specification for hardmetal dies and associated hardmetal tools As-sintered pellets and finished dies for drawing round wire
Hardcopy , PDF
English
29-07-1974
22-05-2026
Co-operating organizations
Foreword
Specification
1 General
1.1 Scope
1.2 Definitions
1.3 Symbols
2 Pellet
2.1 Hardmetal grades
2.2 Forms, dimensions and tolerances
3 Case
3.1 Material
3.2 Forms and dimensions
4 Finished die
4.1 General requirement
4.2 Assembly
4.3 Accuracy
4.4 Marking
Appendix
A Information to be given when purchasing hardmetal
as-sintered pellets and hardmetal dies
Tables
1 Dimensions of as-sintered pellets
2 Tolerance on diameter of pellet, d02
3 Tolerance on height of pellet, h02
4 Tolerance on diameter of bearing of pellet, d01
5 Dimensions of pellets and cases
6 Tolerance on diameter of bearing of finished die
7 Maximum tolerable departure from roundness of
diameter of bearing
Figures
1 Symbols for as-sintered pellets for drawing round
wire
2 Symbols for finished dies for drawing round wire
3 Types of pellet
4 Pellet and assembled dies
Shows the dimensions of as-sintered pellets and finished hardmetal dies and certain quality aspects of finished dies for drawing ferrous and non-ferrous round wire. The dies are intended to produce wire up to 12 mm diameter from steel and 13 mm diameter from non-ferrous material.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes 72/33677 DC (07/2005) Reviewed and confirmed by BSI, December 2012. (11/2012)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
Withdrawn:This standard is no longer used
| Standards | Relationship |
| UNE-EN ISO 24442:2012 | Identical |
| BS 4276:1968 | Specification for hard metal for wire, bar and tube drawing dies |
| BS 3821-1:1974 | Specification for hardmetal dies and associated hardmetal tools Designation and marking of as-sintered pellets and finished dies |
| BS 1134:1961 | Centre-line-average height method for the assessment of surface texture |
| BS 970-1(1972) : 1972 | |
| BS 3730:1964 | Assessment of departures from roundness |
| BS 4276:1968 | Specification for hard metal for wire, bar and tube drawing dies |
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