ASTM a576

ASTM a576

ASTM a576 pdf free download

ASTM A576 – 90b(2012) Standard Specification for Steel Bars, Carbon, Hot-Wrought, Special Quality
ASTM A576
Abstract ASTM a576 pdf
This specification covers hot-wrought special quality carbon steel bars. Special quality bar applications include forging, heat treating, cold drawing, machining, and many structural uses. The steel shall be made by one or more of the following primary processes: open-hearth, basic-oxygen, or electric furnace. The heat analysis shall conform to the requirements for chemical composition specified.

 

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This 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.

1.2 The 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.

1.3 Merchant quality hot-wrought carbon steel bars are covered in Specification A575.

1.4 Some end uses may require superior surface quality, or special chemical restrictions, metallurgical characteristics, heat treatment, or surface finishes which the purchaser may obtain by designating one or more of the available Supplementary Requirements.

1.5 The values stated in inch-pound units are to be regarded as standard.

TABLE 1 Grade Designations and Chemical Requirements of Hot-Wrought Carbon Steel Bars

Note—Grade designations and compositions correspond to the respective AISI designations and compositions.

UNS DesignationA
Grade
Heat Chemical Ranges and Limits, %
Carbon
Manganese
Phosphorus, max
Sulfur, maxB
Nonresulfurized Carbon SteelsC, D, E , F, G
Low Manganese 1.00 % max or less
G10080 1008 0.10 max 0.30–0.50 0.040 0.050
G10100 1010 0.08–0.13 0.30–0.60 0.040 0.050
G10120 1012 0.10–0.15 0.30–0.60 0.040 0.050
G10150 1015 0.13–0.18 0.30–0.60 0.040 0.050
G10160 1016 0.13–0.18 0.60–0.90 0.040 0.050
G10170 1017 0.15–0.20 0.30–0.60 0.040 0.050
G10180 1018 0.15–0.20 0.60–0.90 0.040 0.050
G10190 1019 0.15–0.20 0.70–1.00 0.040 0.050
G10200 1020 0.18–0.23 0.30–0.60 0.040 0.050
G10210 1021 0.18–0.23 0.60–0.90 0.040 0.050
G10220 1022 0.18–0.23 0.70–1.00 0.040 0.050
G10230 1023 0.20–0.25 0.30–0.60 0.040 0.050
G10250 1025 0.22–0.28 0.30–0.60 0.040 0.050
G10260 1026 0.22–0.28 0.60–0.90 0.040 0.050
G10290 1029 0.25–0.31 0.60–0.90 0.040 0.050
G10300 1030 0.28–0.34 0.60–0.90 0.040 0.050
G10350 1035 0.32–0.38 0.60–0.90 0.040 0.050
G10370 1037 0.32–0.38 0.70–1.00 0.040 0.050
G10380 1038 0.35–0.42 0.60–0.90 0.040 0.050
G10390 1039 0.37–0.44 0.70–1.00 0.040 0.050
G10400 1040 0.37–0.44 0.60–0.90 0.040 0.050
G10420 1042 0.40–0.47 0.60–0.90 0.040 0.050
G10430 1043 0.40–0.47 0.70–1.00 0.040 0.050
G10440 1044 0.43–0.50 0.30–0.60 0.040 0.050
G10450 1045 0.43–0.50 0.60–0.90 0.040 0.050
G10460 1046 0.43–0.50 0.70–1.00 0.040 0.050
G10490 1049 0.46–0.53 0.60–0.90 0.040 0.050
G10500 1050 0.48–0.55 0.60–0.90 0.040 0.050
G10530 1053 0.48–0.55 0.70–1.00 0.040 0.050
G10550 1055 0.50–0.60 0.60–0.90 0.040 0.050
G10600 1060 0.55–0.65 0.60–0.90 0.040 0.050
G10700 1070 0.65–0.75 0.60–0.90 0.040 0.050
G10780 1078 0.72–0.85 0.30–0.60 0.040 0.050
G10800 1080 0.75–0.88 0.60–0.90 0.040 0.050
G10840 1084 0.80–0.93 0.60–0.90 0.040 0.050
G10900 1090 0.85–0.98 0.60–0.90 0.040 0.050
G10950 1095 0.90–1.03 0.30–0.50 0.040 0.050
G15130 1513 0.10–0.16 1.10–1.40 0.040 0.050
G15180 1518 0.15–0.21 1.10–1.40 0.040 0.050
G15220 1522 0.18–0.24 1.10–1.40 0.040 0.050
G15240 1524 0.19–0.25 1.35–1.65 0.040 0.050
G15250 1525 0.23–0.29 0.80–1.10 0.040 0.050
G15260 1526 0.22–0.29 1.10–1.40 0.040 0.050
G15270 1527 0.22–0.29 1.20–1.50 0.040 0.050
G15360 1536 0.30–0.37 1.20–1.50 0.040 0.050
G15410 1541 0.36–0.44 1.35–1.65 0.040 0.050
G15470 1547 0.43–0.51 1.35–1.65 0.040 0.050
G15480 1548 0.44–0.52 1.10–1.40 0.040 0.050
G15510 1551 0.45–0.56 0.85–1.15 0.040 0.050
G15520 1552 0.47–0.55 1.20–1.50 0.040 0.050
G15610 1561 0.55–0.65 0.75–1.05 0.040 0.050
G15660 1566 0.60–0.71 0.85–1.15 0.040 0.050
G15720 1572 0.65–0.76 1.00–1.30 0.040 0.050
Resulfurized Carbon SteelsC , E , G
G11090 1109 0.08–0.13 0.60–0.90 0.040 0.08–0.13
G11100 1110 0.08–0.13 0.30–0.60 0.040 0.08–0.13
G11160 1116 0.14–0.20 1.10–1.40 0.040 0.16–0.23
G11170 1117 0.14–0.20 1.00–1.30 0.040 0.08–0.13
G11180 1118 0.14–0.20 1.30–1.60 0.040 0.08–0.13
G11190 1119 0.14–0.20 1.00–1.30 0.040 0.24–0.33
G11320 1132 0.27–0.34 1.35–1.65 0.040 0.08–0.13
G11370 1137 0.32–0.39 1.35–1.65 0.040 0.08–0.13
G11390 1139 0.35–0.43 1.35–1.65 0.040 0.13–0.20
G11400 1140 0.37–0.44 0.70–1.00 0.040 0.08–0.13
G11410 1141 0.37–0.45 1.35–1.65 0.040 0.08–0.13
G11440 1144 0.40–0.48 1.35–1.65 0.040 0.24–0.33
G11450 1145 0.42–0.49 0.70–1.00 0.040 0.04–0.07
G11460 1146 0.42–0.49 0.70–1.00 0.040 0.08–0.13
G11510 1151 0.48–0.55 0.70–1.00 0.040 0.08–0.13
Rephosphorized and Resulfurized Carbon SteelE, 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.

F When boron treatment is specified for killed steels, the steels can be expected to contain 0.0005 to 0.003 % boron.

G The elements bismuth, calcium, selenium, or tellurium may be added as agreed between purchaser and supplier.

H It is not common practice to produce these steels to specified limits for silicon because of its adverse effect on machinability.

2. Referenced Documents (purchase separately)

ASTM Standards

A29/A29M Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for
A400 Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties
A575 Specification for Steel Bars, Carbon, Merchant Quality, M-Grades
E45 Test Methods for Determining the Inclusion Content of Steel
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
SAE Standard

SAEJ1086 Recommended Practice for Numbering Metals and Alloys (UNS)

Index Terms

carbon steel bars; hot-wrought steel bars; steel bars; Carbon steel bars/shapes–specifications; Carbon steel forgings–specifications; Cold-drawn steel bars; Hot wrought steel bars–specifications; Structural steel (SS) bars–specifications

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