BS 4844:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
15-09-2001
English
30-05-1986
Foreword
Committees responsible
Specification
Section one. General
0. Introduction
1. Scope
2. Information to be supplied by the purchaser
3. Test samples for chemical analysis
4. Testing
5. Retests
Section two. Unalloyed and low alloy grades
6. Chemical composition
7. Hardness
8. Heat treatment
Section three. Nickel chromium grades
9. Chemical composition
10. Hardness
11. Heat treatment
Section four. High chromium grades
12. Chemical composition
13. Hardness
14. Heat treatment
Appendices
A. The relationship of section size with composition
for nickel chromium grades
B. Annealing heat treatments for high chromium abrasion
resisting castings
C. Typical hardness levels for high chromium abrasion
resisting castings in the as-cast or annealed
condition
Tables
1. Chemical composition of unalloyed and low alloy
grades
2. Hardness of castings of unalloyed and low alloy
grades
3. Chemical composition of nickel chromium grades
4. Hardness of castings of nickel chromium grades in
heat treated condition
5. Chemical composition of high chromium grades
6. Hardness of castings of high chromium grades in
heat treated condition
7. Typical composition/section size relationship for
grades 2A and 2B that develop maximum hardness
8. Typical composition/section size relationship for
grades 2C, 2D and 2E that develop maximum hardness
9. Comparison of hardness values between the as-cast
and annealed conditions
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