Standard By:ASTM International, 11/01/2017

Published:2017-11-01

Pages:6

File Size:1 file , 81 KB

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This specification covers hot-wrought special quality carbon steel bars. Special quality bar applications include forging, heat treating, cold drawing, machining, and many structural uses. A guide for the selection of steel bars is contained in Practice A400.

1.2The bars shall be furnished in the grades specified in Table 1. Sections and sizes of bar steel available are covered in Specification A29/A29M. Hot-wrought special quality carbon steel bars are produced in cut lengths and coils; the manufacturer should be consulted regarding sections and sizes available in coils, produced to a chemical composition.

Rephosphorized and Resulfurized Carbon Steel^E,^G,^H
Designation	Grade	Carbon	Manganese	Phosphorus	Sulfur	Lead
G12110	1211	0.13 max	0.60-0.90	0.07-0.12	0.10-0.15	…
G12120	1212	0.13 max	0.70-1.00	0.07-0.12	0.16-0.23	…
G12130	1213	0.13 max	0.70-1.00	0.07-0.12	0.24-0.33	…
G12150	1215	0.09 max	0.75-1.05	0.04-0.09	0.26-0.35	…
…	12L14	0.15 max	0.85-1.15	0.04-0.09	0.26-0.35	0.15-0.35

(A)New designations established in accordance with Practice E527 and SAE J 1086.

(B)Maximum unless otherwise indicated.

(C)When silicon is required, the following ranges and limits are commonly specified: 0.10 %, max, 0.10 to 0.20 %, 0.15 to 0.35 %, or 0.20 to 0.40 %.

(D)Copper can be specified when required as 0.20 % minimum.

(E)When lead is required as an added element to a standard steel, a range of 0.15 to 0.35 % incl is specified. Such a steel is identified by inserting the letter “L” between the second and third numerals of the grade designation, for example, 10 L 45. A cast or heat analysis is not determinable when lead is added to the ladle stream.

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ASTM A576-17

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