ASTM A1018 / A1018M - 10

    Standard Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Carbon, Commercial, Drawing, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength

    Active Standard ASTM A1018 / A1018M | Developed by Subcommittee: A01.19

    Book of Standards Volume: 01.03


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    Abstract

    This specification covers standards for hot-rolled, heavy-thickness steel sheet and strip coils. The materials shall come in the following designations: (a) Commercial Steel (or CS) of Types A and B, and Standard Steel Designation; (b) Drawing Steel (DS) of Types A and B, and Standard Steel Designation; (c) Structural Steel (SS) of Grades 30[205], 33[230], 36[250] in Types 1 and 2, and 40[275]; (d) High-Strength Low-Alloy Steel (HSLAS) of Grades 45[310], 50[340], 55[380], 60[410], 65[450], and 70[480] in Classes 1 and 2; (e) High-Strength Low-Alloy Steel with Improved Formability (HSLAS-F) of Grades 50[340], 60[410], 70[480], and 80[550]; and (f) Ultra-High Strength Steel (UHSS) of Grades 90[620] and 100[690], Types 1 and 2. The strip and sheet coils shall conform to specified limit in width and thickness. Carbon, manganese, phosphorus, silicon, aluminum, silicon, copper, nickel, chromium, molybdenum, columbium, titanium, nitrogen, and boron contents shall be followed as specified by each designations, classes, types, and grades. Tension tests shall be performed. Materials shall adhere to yield strength, tensile strength, and elongation requirements. Guidelines for workmanship, finish, and appearance are given.

    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-rolled, heavy-thickness coils beyond the size limits of Specification A1011/A1011M.

    1.2 The product is available in six designations: Commercial Steel, Drawing Steel, Structural Steel, High-Strength Low-Alloy Steel, High-Strength Low-Alloy Steel with Improved Formability, and Ultra-High Strength Steel.

    1.3 This material is available only in coils described as follows:

    ProductSize Limits, Coils Only
    Width, in. [mm]Thickness, in. [mm]
    StripOver 8 to 12, incl
    [Over 200 to 300]
    0.230 to 1.000, incl
    [From 6.0 through 25]
    SheetOver 12
    [Over 300]
    0.230 to 1.000, incl
    [From 6.0 through 25]

    Note 1—The changes in width limits with the publication of A635/A635M 06a result in a change in tensile testing direction for material from 0.180 in. [4.5 mm] to 0.230 in. exclusive [6.0 mm exclusive] over 48 in. [1200 mm] wide as that material is now covered by Specification A568/A568M 06a. The purchaser is advised to discuss this change with the supplier.

    1.4 Sheet and strip in coils of sizes noted in 1.3 are covered by this specification only with the following provisions:

    1.4.1 The material is to be fed directly from coils into a blanking press, drawing or forming operation, tube mill, rolling mill, or sheared or slit into blanks for subsequent drawing or forming.

    1.4.2 The material is not to be converted into steel plates for structural or pressure vessel use unless tested in complete accordance with the appropriate sections of Specifications A6/A6M (plates provided from coils) or A20/A20M (plates produced from coils). Plate converted from coils is no longer governed by this sheet steel specification and since this material is now a plate, the requirements of the appropriate plate specification shall apply, except in cases where there is a conflict between the requirements of the plate specification and this specification. In these cases, the more restrictive limits of either specification shall apply.

    1.4.3 The dimensional tolerances of Specification A635/A635M are applicable to material produced to this specification.

    1.4.4 Not all strength levels are available in all thicknesses. The user should consult the producer for appropriate size limitations.

    1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A6/A6M Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling

    A20/A20M Specification for General Requirements for Steel Plates for Pressure Vessels

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A568/A568M Specification for Steel, Sheet, Carbon, Structural, and High-Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, General Requirements for

    A572/A572M Specification for High-Strength Low-Alloy Columbium-Vanadium Structural Steel

    A635/A635M Specification for Steel, Sheet and Strip, Heavy-Thickness Coils, Hot-Rolled, Alloy, Carbon, Structural, High-Strength Low-Alloy, and High-Strength Low-Alloy with Improved Formability, General Requirements for

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

    A1011/A1011M Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    G101 Guide for Estimating the Atmospheric Corrosion Resistance of Low-Alloy Steels


    ICS Code

    ICS Number Code 77.140.20 (Steels of high quality)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/A1018_A1018M-10

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