Astm a 6 a 6m pdf

Univer- 3. Sheared edge plates are trimmed on all edges. It does not refer to the 3. Thus, a range from 60 to 72 in. Materials and Manufacture 3. Such processing opera- 5. If turer shall remove the transition material by an established only one organization is involved in the hot rolling and procedure that positively separates the grades.

If more than one organization is in- volved in the hot rolling and processing operations, the 5. Heat Treatment 4. Ordering Information 6. If the heat-treatment temperatures are 4. If a range is 6. Rimmed or uniformly for hot forming, provided that the temperature to capped steel is characterized by a lack of homogeneity in its which the structural product is heated for hot forming does not composition, especially for the elements carbon, phosphorus, significantly exceed the normalizing temperature.

Therefore, the limitations for these elements shall not be applicable unless misapplication is clearly indicated. Chemical Analysis 8. Metallurgical Structure 7. Boron shall ambient temperature. The requirements for austenitic grain size be reported if intentionally added.

If the heat analysis of the primary heat 8. If the heat lower contents of austenitic grain refining elements than 8. Sampling for chemical analysis 8. Bars 29 A1. D Columbium and niobium are interchangeable names for the same element. Quality 9. Non-injurious surface or internal imperfections, or both, may be present in the structural product as limits listed in 9. Structural products that exhibit injurious defects during subsequent 9. See The conditioning requirements in 9.

Condition- grinding, chipping, or arc-air gouging of the toes of angles, ing of imperfections beyond the limits of 9. Shielding gases used shall be of welding quality. For SMAW, low hydrogen magnetic particle method or a liquid penetrant method to verify electrodes shall be used. When magnetic particle inspection is selected so that the tensile strength of the deposited weld metal employed, the surface shall be inspected both parallel and after any required heat treatment is consistent with the tensile perpendicular to the length of the area to be repaired.

Surfaces to be heat-treated at the mill shall be inspected after heat treatment; welded and surfaces adjacent to the weld shall be dry and free repairs on structural products that are not subsequently heat- of scale, slag, rust, moisture, grease, and other foreign material treated at the mill shall be inspected no sooner than 48 h after that would prevent proper welding.

Such inspection shall use a magnetic particle method 9. Any visible cracks, porosity, lack of fusion, or ASME Boiler and Pressure Vessel Code, Section IX, with the undercut in any layer shall be removed prior to deposition of following exceptions or clarifications: the succeeding layer.

Test Methods 9. Tension Tests mm] in diameter; 1 in. Test specimens for heat-treated structural products It shall be demonstrated For qualification of succes- test specimens shall be taken such that the longitudinal axis of sive portions from such a coil, an additional test shall be taken the test specimen is transverse to the final direction of rolling adjacent to the innermost portion decoiled, until a test is of the plate.

Test specimens for all other structural products obtained from the approximate center lap. B One test, if only one piece or plate-as-rolled is to be qualified. B One coil, if the product of only one coil is to be qualified. The axis of such test specimens shall be located Methods and Definitions A Such test for the 0.

After selection of the [ mm]. Accordingly, Nominal Thickness Range, Elongation Therefore, the requirements of The tensile properties will vary within the same heat or piece, be 0. Tension testing according to the 0. A Elongation deductions for thicknesses less than 0. Permitted Variations in Dimensions and Weight tion requirements for structural-size angles shall be increased [Mass] by six percentage points when full-section test specimens are One cubic metre of rolled steel is assumed to have a mass For structural products over weight [mass] shall not exceed the applicable limits in Tables 1 3.

Accordingly, the following deductions both inch-pound and SI units, of shapes that are most com- from the base elongation requirements shall apply: monly available. Radii of fillets and toes of shape profiles vary Nominal Thickness Range, Elongation with individual manufacturers and therefore are not specified. Permitted variations for 5. Addition of such sections to specification specify elongation requirements in both 8-in.

Annex A2 will be considered by Subcommittee A Unless otherwise for such listing is shown. Test Reports the theoretical cross-sectional area or the specified nominal The length of each steel sheet pile specified in the purchase order, to which the structural product shall be not less than the specified length, and not more than 5 is furnished. NOTE 8—If the amount of copper, chromium, nickel, molybdenum, or silicon is less than 0.

If the amount of columbium niobium or vanadium an Inch to Decimals—Permitted variations in dimensions for is less than 0. If the material is to be measured by Table B, two tension test results appropriate to qualify the equipment reporting dimensions as decimals, conversion of shipment see Retests increase and the original gage length shall be stated. A retest shall be performed for the failing original cable product specification, the applicable supplementary test, with the specimen being randomly selected from the heat.

If the results of the retest meet the specified requirements, the heat or lot shall be approved. Should Tests from specified thicknesses in accordance with Such test that is bracketed by acceptable tests see Retreatment coil, and the location within the coil for each test shall be All me- report. Rejection Notwithstanding the absence of a signature, the reported to the supplier and samples that represent the rejected organization submitting the report is responsible for the content structural product shall be preserved for two weeks from the of the report.

In case of dissatisfaction with the results of the tests, the supplier shall have the option Identification of Structural Products garded as having the same validity as a counterpart printed in The content of the EDI transmitted The Alternate Core Location required chemical analysis as well as the carbon equivalent S Unless otherwise specified in the purchase order, the minimum average absorbed S Single Heat Bundles except that, for rolled shapes produced from ingots, the S Mandatory Information.

NOTE 2—Thickness to be measured at 10 to 20 mm from the longitudinal edge. NOTE 3—For specified thicknesses not listed in this table, the permitted variations in thickness shall be as given for the next higher value of specified thickness that is listed in this table. Permitted Variations Over Specified Thickness for Widths Given in Millimetres, mm Specified Thickness, Over to to to to to to to to mm to , , , , , , , , , and and Under excl excl excl excl excl excl excl excl excl Over 5.

B Permitted variations in length apply also to Universal Mill plates up to mm in width for thicknesses over 50 to 65 mm, incl, except for alloy steel up to 50 mm thick.

NOTE 2—These permitted variations shall be taken all under or divided over and under, if so specified. Permitted Variation Over Specified Specified Thickness, mm Width and Length, mm To 50, excl 19 50 to , excl 25 to , excl 29 to , excl 33 to , excl Specified Diameter, mm 25 50 To to to to to to 25, 50, , , , , excl excl excl excl excl incl To , excl 13 13 19 19 25 25 to , excl 13 16 22 25 29 32 to , excl 16 19 25 29 32 35 to , incl 22 25 29 32 35 38 A No permitted variations under specified diameter.

NOTE 2—These permitted variations apply to plates that have a specified minimum tensile strength of not more than MPa or comparable chemical composition or hardness. A Permitted Variation From a Flat Surface Along the Length—The longer dimension specified is considered the length, and the permitted variation from a flat surface along the length shall not exceed the tabular amount for the specified width for plates up to mm in length, or in any mm for longer plates.

B Permitted Variation From a Flat Surface Across the Width—The permitted variation from a flat surface across the width shall not exceed the tabular amount for the specified width. The permitted variation in waviness is a function of the permitted variation from a flat surface as obtained from Table A1. Measurement is overall for C shapes under 75 mm.

For channels 16 mm and under in depth, the permitted out-of-square is 0. The permitted variation shall be rounded to the nearest millimetre after calculation. Bulb angles depth 75 to , incl 3 2 4 2 0. Zees 75 to , incl 3 2 4 2 0. Permitted Variations in Sectional Dimensions Given, mm.

Over to , incl 2 2 3 3 0. C Stem out-of-square is the permitted variation from its true position of the center line of stem, measured at the point.

Positions for Measuring Camber of Shapes Variable Nominal Size,A mm Permitted Variation, mm Camber Under 75 4 3 number of metres of total length 75 and over 2 3 number of metres of total length Sweep All Due to the extreme variations in flexibility of these shapes, permitted variations for sweep are subject to negotiations between the manufacturer and the purchaser for the individual sections involved.

B The permitted variations in end out-of-square for W and HP shapes shall be 0. The permitted variations shall be rounded to the nearest millimetre after calculation. B Length is measured along center line of web. B Applies only to: mm deep sections— Over 7. B Round to the nearest whole millimetre. The values stated in inch-pound tion designation SI units , the material shall be furnished to units are independent of the values stated in SI units, and the inch-pound units.

A Mass in Kilo- mm bf, tw, Pounds per tf, grams per tf, mmA in. A Metre] mmA. W44 X W40 X W36 X X W33 X W30 X W27 X W24 X W24 X 62 W21 X W21 X 93 W21 X 57 W18 X W18 X 71 W18 X 46 W16 X X 89 W16 X 57 W16 X 31 9. W14X W14 X W14 X 82 W14 X 53 W14 X 38 W14 X 26 7. W12 X X 79 W12 X 58 W12 X 50 W12 X 35 W12 X 22 6. W10 X W10 X 45 W10 X 30 8. W10 X 19 5. W8 X 67 A tf, Pounds per in. S4X 2. S3X 2. A tf, mmA Pounds per in.

A grams per mm Linear Foot Metre] mmA. M 12 X M 10 X9. M 10 X7. M 5 X A mm tf, mmA mmA Pounds per in. HP12 X 84 HP10 X 57 HP8 X 36 A in Kilograms tf, Pounds per in.

C5X9 2. C3X6 1. A grams per tf, Pounds per in. MC 12 X MC 10 X Weightper Massper Size and Thickness, in. Nonmandatory Information. Regardless of the different types of mechanical properties throughout a coil. Data confirm reduced systems employed during or following the rolling operations, it yield and tensile strength with increased percent elongation for is common for the steel to be reeled into the coiler at the steel with slower cooling rates from the coiling temperature temperatures in the stress-relieving range.

In general, such to ambient. Such differences are in addition to the effects on temperatures are higher as the steel thickness increases. The mechanical properties caused by differences in heat analysis coils subsequently cool to ambient temperature with outer and and chemical segregation.

The differ-. That survey analyzed the results of variability testing on are intended only to characterize the tensile properties of a heat more modern as-rolled steels that were generally of higher of steel for determination of conformance to the requirements minimum yield strength steels and also compared those results of the applicable product specification.

Such testing procedures statistically to the previous surveys. It X2. It is, therefore, incumbent on designers and engineers shipment, unless otherwise specified.

The testing procedures of determined, based on review of the earlier AISI data,8 that the this specification have been found to provide structural prod- variation in tensile properties of plates and structural shapes ucts adequate for normal structural design criteria. The January survey re- The results of this survey are contained in a Contributions to sulted in similar findings. The data are presented in tables of probability allowed by the applicable product specification, are generally that tensile properties at other than the official location may acceptable to manufacturers.

Such tolerances could be consid- differ from those of the reported test location. Flag for inappropriate content. ASTM A ASTM A Javier Ricardo Romero Bohorquez.

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

Materials considered under this specification are available in Grades 40 [], 60 [], and 75 []. Steel samples shall be rolled from properly identified heats of mold cast or strand cast steel using electric-furnace, basic-oxygen, or open-hearth.

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