1、4A36/A36M-14TABLE 3 Chemical RequirementsNorE 1-Where.appears in this table,there is no requirement.The heat analysis for manganese shall be determined and reported as describedin the heat analysis section of Specification A6/A6M.ProductPlates 15-in.380 mmWidthBars;Plates 15-in.380 mmWidthOver 3Over
2、 11Over 21Over 3Over 11t01%to 21to 4to 1Thickness,into 4Over 40to401.40t065.65to10020to401,100100inclinclinclinclinclCarbon,ma0.260.27270.280.29Manganese0-1.200.80-1.200.85-1.2060-0.900.60-0.900.60-0.90Phosphorus300.0300.030.040.040.04Sulfur,max,0300.0300.0300.050.050.05Silicon,0.40 max0.150.400.150
3、.400.40ma0.40 max0.40 maxCopper.min,0.200.200.200.200.200.20cop per steel is speAManganese content of 0.85-1.35%and silicon content of 0.15-0.40%is required for shapes with flange thickness over 3 in.75 mm.For each reduction of 0.01 percentage point below the specified carbon maximum,an increase of
4、0.06 percentage point manganese above the specified maximum willbe permitted,up to the maximum of 1.35%SUPPLEMENTARY REQUIREMENTSThese requirements shall not apply unless specified in the order.Standardized supplementary requirements for use at the option of the purchaser are listed inSpecification
5、A6/A6M.Those that are considered suitable for use with this specification are listed bytitle:S5.Charpy V-Notch Impact Test.S30.Charpy V-Notch Impact Test for Structural Shapes:Alternate Core LocationS32.Single Heat BundlesS32.1 Bundles containing shapes or bars shall be from asingle heat of steel.SU
6、MMARY OF CHANGESCommittee A01 has identified the location of selected changes to this standard since the last issue(A36/A36M-12)that may impact the use of this standard.(Approved Dec.1,2014.)(/Revised Table 3 to modify phosphorus and sulfur limits forplate products greater than 15 in.380 mmin width.
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