steel bars under each of the following ASTM specifications (or under any other ASTM specification which invokes this specification or portions thereof). Astm a29 a29m - Free download as PDF File .pdf), Text File .txt) or read online for free. ASTM Standard. ASTM Apdf - Download as PDF File .pdf), Text File .txt) or read online.
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A29 / A29M Standard Specification for General Requirements for Steel Bars, Carbon and Standard + Redline PDF Bundle, 34, $, ADD TO CART. ASTM A29/A29M: Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, PDF + Print Title of Specification ASTM Designation A. Designation: A29/A29M – 11a Standard Speciﬁcation for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for 1 This standard.
Designation Carbon ManganeseG max Sulfur. D When lead is required as an added element to a standard steel. Grade Heat Chemical Ranges and Limits.. NOTE 2—Where minimum and maximum sulfur content is shown it is indicative of resulfurized steel. If the usual titanium additive is not permitted..
These elements are considered as incidental and may be present to the following maximum amounts: A cast or heat analysis is not determinable when lead is added to the ladle stream.. Designation Designation Carbon Manganese max max SiliconA Nickel Chromium Molybdenum max max 0.
NOTE 4—Standard alloy steels can be produced with a lead range of 0. B When silicon is required. F The elements bismuth. A cast or heat analysis is not determinable when lead is added to the ladle stream.
F Grade Former Phosphorous..
G Unless prohibited by the downloadr. C Copper can be specified when required as 0. E When boron treatment for killed steels is specified. E E 0. The 4. Because of the degree to which phosphorus and and Table 4 for alloy steel. Chemical Composition open-hearth. Rimmed or Bars may be ordered to these grade designations and when so capped steel is characterized by a lack of homogeneity in its ordered shall conform to the specified limits by heat analysis.
In cases where in accordance with Test Methods. Chips are taken at any point midway between the outside reported to the downloadr or his representative. When specified as an added the steel at a point midway between the edge and the middle of element to a standard steel.
C These steels can be expected to contain 0. In that case. Chips are taken by milling or machin- These can be the heat chemical range and limit for a grade ing the full cross section of the piece. The need for 0. B The downloadr may also require the following maximums: Chips are taken by drilling entirely through to the ladle stream while each ingot is poured..
Drilling is not a feasible designated in Tables 1 and 2.
For convenience the grades commonly determinations of any element. Approximate Drill Diameter.. Steels having over BismuthE The grain size test specified in 5. B For steels produced in merchant quality the phosphorus maximum is 0. Unless otherwise specified. E Element specification range as agreed upon between downloadr and supplier..
The maximum contents shall be: Area of Sample Cross Section.. When columbium or vanadium is specified maximum limit for manganese does not exceed Terminology A CalciumE 5. One test per heat shall be made unless the over Conformance to this to Conform- over 0. One test per over 0. The aluminum content shall be reported.. Elements is: Maximum 4. When the used as a grain refining element. C It is not common practice to produce a rephosphorized and resulfurized Steels having 0. Grain Size Requirement over 0.
Chemical Ranges and Limits.
B Minimum silicon limit for acid open-hearth or acid electric-furnace alloy steels is 0. C Not normally produced in open-hearth. Steel Carbon To 0. NOTE 2—Alloy steels can be produced with a lead range of 0.
LeadA 0. If the results on the retest specimen meet the over 0. If the original testing required two tests of Silicon 0. If over 1.
Manganese 0. Over Under Element Limit. B Resulfurized or rephosphorized steels are not subject to rejection on product 6. Silicon 0. C is less than that specified and any part of the fracture is more Product analysis tolerance for lead applies both over and under to a specified range of 0.
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Within the text, the SI units areshown in brackets. The values stated in each system are notexact equivalents; therefore, each system must be used inde-pendently of the other. Referenced Documents 2. Current edition approved Oct.
Published October Originallyapproved in The last approved version of this historical standard is referencedon www.
Terminology 3. Each such retest shall conform to the requirements specied. Inspection The manufacturer shall afford the inspector all reasonable facilities to satisfy him that the material is being furnished in accordance with this specication.
All tests except product analysis and inspection shall be made at the place of manufacture prior to shipment, unless otherwise specied, and shall be so conducted as not to interfere unnecessarily with the operation of the works. Rejection Rehearing In case of dissatisfaction with the results of the tests, the manufacturer may make claim for a rehearing within that time. Product Marking Packaging Keywords Flat Bar Thickness Tolerances S1.
To , incl Over to , incl Over to 58 , incl Over 58 to 78 , incl Over 78 to 1, incl Over 1 to , incl Over to , incl Over to , incl Over to , incl Over to 2, incl Over 2 to , incl Over to , incl Over to , incl Over to , incl Over to , incl Over to , incl Over to , incl Over to 10, incl Permissible Variation from Specied Size, in. A Over 0. When this end condition is objectionable, a machine cut end should be considered.
B Out-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same cross section. Out-of-square is the difference in the two dimensions at the same cross section of a square bar between opposite faces. Permissible Variations from Specied Size, in. B Out-of-hexagon or out-of-octagon is the greatest difference between any two dimensions at the same cross section between opposite faces.
B Specied Width, in. Over Steel bars are regularly cut to length by shearing or hot sawing, which can cause end distortion resulting in those portions of the bar being outside the applicable size tolerance. C Flats over 6 to 8 in.
Specied Size of Channel, in. B Measurements for depth of section and width of anges are overall. Measurements for both width and depth are overall. Stem out-of-square is the variation from its true position of the center line of the stem measured at the point. Specied Size of Flats, in. A 10 to 20 ft, excl 20 to 30 ft, excl 30 to 40 ft, excl 40 to 60 ft, excl Mill Shearing To 1, incl Over 1 to 2, incl Over 2 to 5, incl Over 5 to 10, incl to 1, incl over 1 to 1, incl over B B 3 No permissible variations under.
Smaller sizes and shorter lengths are not hot sawed. A To 3, incl Over 3 to 6, incl Over 6 to 8, incl Rounds over 8 to 10, incl.
A Tolerances Over Specied Length, in. A To 12 ft, incl 14 Over 12 ft 5 16 7 16 5 16 No tolerance under. Out-of-round is the difference between the maximum and the minimum diameters of the bar, measured at the same cross section. B Flats over to mm, incl in width are not available as hot-wrought bars in thickness 6 mm and under.
For channels 16 mm and under in depth, out of square tolerance is 0. Measurements for width and depth are over all. C Stem out of square is the tolerance from its true position of the center line of the stem measured at the point. Hot Sawing 50 to , incl Over to , incl A B 15 15 15 25 50 20 30 15 20 25 25 40 65 30 45 25 35 40 40 45 70 45 50 40 45 50 50 60 75 90 90 50 60 65 65 70 85 65 25 and over B B 40 65 45 70 60 75 70 85 No tolerance under.
Round to the nearest whole millimetre.