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ASTM A19-36

(Specification)

Specification for Quenched-and-Tempered Carbon-Steel Axles, Shafts, and Other Forgings for Locomotives and Cars (Withdrawn 1936)

Specification for Quenched-and-Tempered Carbon-Steel Axles, Shafts, and Other Forgings for Locomotives and Cars (Withdrawn 1936)

General Information

Status
Withdrawn
Technical Committee
A01 - Steel, Stainless Steel and Related Alloys
Drafting Committee
A01.06 - Steel Forgings and Billets
Current Stage
Ref Project

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ASTM A19-36 - Specification for Quenched-and-Tempered Carbon-Steel Axles, Shafts, and Other Forgings for Locomotives and Cars (Withdrawn 1936)ASTM A19-36 - Specification for Quenched-and-Tempered Carbon-Steel Axles, Shafts, and Other Forgings for Locomotives and Cars (Withdrawn 1936)
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ASTM A19-36 - Specification for Quenched-and-Tempered Carbon-Steel Axles, Shafts, and Other Forgings for Locomotives and Cars (Withdrawn 1936)
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
•
STANDARD SPECIFICATIONS
FOR
QUENCHED-AND-TEMPERED CARBON-STEEL AXLES,
SHAFTS, AND OTHER FORGINGS FOR
1
LOCOMOTIVES AND CARS
A.S.T.M. Designation: A 19 - 36
These specifications are issued under the fixed designation A 19; the final num­
ber indicates the year of original adoption as standard or, in the case of revision, the
year of last revision.
ADOPTED, 1911; REVISED, 1912, 1914, 1916, 1918, 1921, 1927, 1936.
e.
Scop
I. When used for forgings for locomotives, these specifications
cover quenched-and-tempered carbon-steel driving axles, engine and
trailing-truck axles, main and side rods, straps, crank pins and piston
rods.
MANUFACTURE
2. The steel shall be made by either or both the following proc- Process.
esses: open-hearth or electric-furnace.
.
3. A sufficient discard shall be made from each ingot to secure Discard
freedom from injurious piping and undue segregation.
4. Unless otherwise specified, for test purposes at least 20 per Prolongatlo,
ror Tests.
cent of the forgings shall be provided with prolongations or, at the
manufacturer's option, a forging may be selected.
ring.
Bo
5. (a) Unless otherwise specified by the purchaser, all axles,
shafts and similar forgings having a minimum diameter over 7 in.
shall be bored. The boring shall be done before quenching.
(b) In the case of boring, the diameter of the hole, unless other­
wise specified, shall be at least 20 per cent of the minimum outside
diameter of the forging, exclusive of collars and flanges.
The procedure to be followed in quenching and tempering Heat
6.
Treatment.
shall consist in allowing the objects, immediately after forging, to
cool to a temperature below the critical range, under suitable condi-
tions to prevent injury by too rapid cooling. They shall then be
uniformly reheated to the proper temperature to refine the grain
1
Under the standardization procedure ol the Society, these specifications are under the jurilldiction
or the A.6.T.M. Committee A-1 on Steel.
(I 95)

---------------------- Page: 1 ----------------------
196 SPECIFICATIONS FOR QUENCRED-AND-TEMPERED FORGINGS
(a group thus reheated being known as a "quenching charge"), and
quenched in some medium under substantially uniform conditions for
each quenching charge. Finally, they shall be uniformly reheated to
the proper temperature for tempering or "drawing back" (a group
thus reheated being known as a "tempering charge"), and allowed to
cool uniformly.
CHEMICAL PROPERTIES AND TESTS
Chemical 7. The steel shall conform to the following requirements as to
Composition. chemical composition:
First Class by Size . . 0. 25 - 0.60 per cent
U H U
0.35- 0.60
C b S econ d •.
ar on Third " " " . . 0.35-0.65
0.35-0.70
Fourth " " " . .
I
Manganese .•. 0.40-0.70
Phosphorus .•. not over 0. 05
.. 0.05
Sulfur .•.
Ladle
8. An analysis of each melt of steel shall be made by the manu­
Analyses.
facturer to determine the percentages of the elements specified in
Section 7. This analysis shall be made from a test ingot taken
during the pouring of the melt. The chemical composition thus
determined shall be reported to the purchaser or his representative,
and shall conform to the requirements specified in Section 7.
Check
9. (a) An analysis may be made by the purchaser from a forging
Analyses.
representing each melt. The chemical composition thus determined
shall conform to the requirements specified in Section 7. Drillings
for analysis may be taken from the forging or from a full-size prolonga­
tion of the same, at any point midway between the center and surface
of solid forgings, and at any point midway between the inner and
outer surfaces of the wall of bored forgings; or turnings may be taken
from a test specimen.
(b) In addition to the complete analysis specified in Paragraph (a),
a phosphorus determination may be made by the purchaser from each
broken tension test specimen. The phosphorus content thus deter­
mined shall conform to the requirement specified in Section 7.
PHYSICAL PROPERTIES AND TESTS
Tension
10. (a) The forgings shall conform to the minimum requirements
Teats.
as to tensile properties specified in Table I.
(b) The classification by size of the forging shall be determined
by the specified diameter or thickness which governs the size of the
prolongation from which the test specimen is taken.

---------------------- Page: 2 ----------------------
197
A.S.T.M. DESIGNATION: A 19 - 36
(c) The elastic limit called for by these specifications shall
be determined by an extensometer reading to 0.0002 in. The
extensometer shall be attached to the specimen at the gage marks
and not to the shoulders of t
...

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