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0& Specification DocumentNo. B8A67Genera/ lect& Company Issue No. aOrdera and Correspondence MuSpeolfy Complete Materiel NumbShed, Hot-Rolled Low-CarbonSteel, UNS G70080

GE Material B8A67 identifies hot-rolled, low-carbon steel sheet, coils and cut lengths with a chemical composition thesame as UNS 610080 (AISI 1008), as follows:. .GE desran&B QualitvB8A67A Commercial Pickled, oiled -72708A67A2 Commercial Pickled, not oiled cut08A67A4 Commercial Pickled, oiled MillB8A67A5 Commercial Pickled, not oiled MillB8A67A6 Commercial Pickled and oiled Afm to roughness Milland hardnessB8A67All Commercial Pickled, oiled cut08A67A22 Commercial Pickled, not oiled cutB8A67B Commercial Stretcher leveled, resquared, not oiled cutB8A67Bll Commercial Stretcher leveled, resquared, not oiled cutB8A67N Drawing Pickled, oiled cutB8A67N2 Drawing Pickled, not oiled cutB8A67N3 Drawing As rolled, not oiled cutB8A67N4 Drawing Pickled, oiled MillB8A67N5 Drawing Pickled, not oiled MillB8A67N6 Drawing As rolled, not oiled MillB8A67N 11 Drawing Pickled, oiled cutB8A67N22 Drawing Pickled, not oiled cutB8A67N33 Drawing As rolled, not oiled cutB8A67R Special for forming - -B8A67R2 Special for forming Pickled, oiled wB8A67Rll Special for forming -B8A67R22 Special for forming Pickled, oiled -B8A67X Commercial As rolled, not oiled cutB8A67X4 Commercial As rolled, not oiled MillB8A87X5 Commercial As rolled, oiled cut08A67X6 Commercial As rolled, oiled MillB8A67Xll Commercial As roiled, not oiled cutB8A67X55 Commercial As rolled, oiled cutB8A67Y Scrap . .

CHEMICAL COMPOSITION: % (Heat analysis)Carbon, max . .................. 0.10Manganese, max . ........... 0.50Phosphorus, max . .~....................................... 0.040Sulfur, max . .................... 0.050The heat analysis (formerly ladle analysis) made by the manufacturer to determine the percentages of the elementsrequired under this specification shall be reported to the purchaser or his representative in a certificate of test whenspecified on purchase order or otherwise.A product analysis (formerly check analysis) may be made by the purchaser from a sample representing each melt. Thechemical composition thus determined shall conform to the requirements of this specification within the AISIpermissible variation for product analysis.MECHANICAL PROPERTIES:Bend test (all materials) - Shall withstand being bent flat upon themselves in any direction.HRB, Hardness, Rockwell B (aim to) (B8A67A6) . 66-80ADDITIONAL REQUIREMENTS:Imperfections -The material shall be free from injurious external and internal imperfections of a nature which will interfere withe purpose for which it is intended.Cut edge - B8A67A, A2, Al 1, A22, B, N, N2, N3, Nl 1, N22, N33, X, X5, Xl 1 and X55 shall be furnished with a slit or shearededge.Oiled -When oiled sheets are ordered, mill standard oiling may be furnished unless otherwise specified.Special for forming -When B8A67R, R2, Rl 1 or R22 is ordered, the manufacturer shall furnish material suitable for formingparts shown on a drawing which will be furnished with the order. If orders do not specify the drawing number, they shouldbe questioned as being incomplete.Surface roughness (aim to) microinches AA (B8A87A6) . t. 25Thickness tolerances - Thickness tolerances required shall be specified on the purchase order, i.e., traditional or newtolerances specified as minimum or nominal thickness.

BS March 31,1996(Continued on page 2)

* Supersedes: B8A67-Sl CAGE IDBNT NO. 0917

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08A87S2Page 2Sheet,Hof47olled ow-Carbon teel,UNSG70080

REFEREE METHODS:Chemical composition . ... ASTM A751TOLERANCES:Thickness: Traditional tolerances. (Old theoretical mini mum weight thickness tolerances) (12 inches wide and over) (1) (2)(All material except BBA67A11, A22, 811, Nl 1, N22, N33, Rl 1, R22, Xl 1, X55)

Specified width, inchOver To incl

Specified minimum thickness, inch

lncl 12 20 0.014. 0.014 0.012 0.012 0.010 0.01020 40 0.016 0.014 0.014 0.012 0.010 0.01040 48 0.018 0.016 0.014 0.012 0.012 0.01048 60 - 0.016 0.014 0.014 0.012 -60 72 - 0.016 0.016 0.014 0.014 -72 - - 0.016 0.016 -(1) Thickness is measured at any point across the width not less than 3/B inch from a cut edge and not less than 3/4inch from a mill edge. The above table does not apply to the uncropped ends of mill edge coils.(2) The specified thickness range captions noted above also apply when sheet is specified to a nominal thickness,and the above tolerances are divided by 2 and are plus or minus.

Thickness: New tolerances when thickness is specified as nominal. (12 inches wide and over) (3)(All material except BBA67A11, A22, 611, Nl 1, N22, N33, Rl 1, R22, Xl 1, X55)

Specified width,inches12 to 20 inclOver 20 to 40 inclOver 40 to 48 inclOver 48 to 60 inclOver 60 to 72 inclOver 72

Over 0.180to 0.230 inclM.005iO.006fo.007-

Specified nominal thickness, inchOver 0.098 Over 0.071 Over 0.057 Over 0.051 Over 0.044to 0.180 incl to 0.098 incl to 0.071 incl to 0.057 incl to 0.051 inclThickness tolerances over and under, inchM.005 M.0045 &0.0045 smo4 fo.004~.005 : &0.005 lto.0045 30.004 Ito. :iO.006 &0.005 fo.0045 M.0045 3lcmM10.006 a.005 IKI.005 ,fo.o045 -W.006 MO.006 fo.005 ~605 -ti.006 M.006 - -(3) Thickness is measured at any point across the width not less than 1 OO nch from AC edge. The above table does notapply to the uncropped ends of non-temper rolled coils.

Thickness: New tolerances when thickness is specified as minimum. (12 inches wide and over) (4)(All material except BBA67A11, A22, 611, Nl 1, N22, N33, Rl 1, R22, Xl 1, X55)

Specified width,inches12 to 20 inclOver 20 to 40 inclOver 40 to 48 inclOver 48 to 60 inclOver 60 to 72 inclOver 72

Specified minimum thickness, inchOver 0.180 Over 0.098 Over 0.071 Over 0.057 Over 0.051 Over 0.044to 0.230 incl to 0.180 incl to 0.098 incl to 0.071 incl to 0.057 incl to 0.051 inclThickness tolerances over, inch, no tolerance under0.010 0.010 0.009 0.009 0.008 0.0080.012 0.010 0.010 0.009 0.008 0.0080.014 0.012 0.010 0.009 0.009 0.008 - 0.012 0.010 0.010 0.009 -- 0.012 0.012 0.010 0.010 w0.012 0.012 - -

(4) Thickness is measured at any point across the width not less than 1.00 inch from AC edge. The above table does notapply to the uncropped ends of non-temper rolled coils.

(Continued on page 3)

06 Sjrecfficatiom;: GeneralElectric Cornpatti :.: BS. March 31, 1996:

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& 08A67S2: A.,.-. :. (I$ c PageSheet,Hot-Ro LowCarbonheI, UNS G70080TOLERANCES: (Continued)Thickness: (5) (6) Coils and cut length [2 to 12 inches in w (BBA67A11, A22, El 1, N 1, N22, N33, R 1, RZ?, Xl 1, X55)

Thickness, inchFrom To exc0.082 0.0570.057 0.0390.039 0.0200.020 0.014

Thicknesstolerance, inchplus or minus0.0050.0040.0630.002

(5) Thickness i measured at any point across the w not less than 3/B inch from an edge.(6) The spec thickness range captions given above also apply when strip i spec to a minimum thickness and thabove tolerances are doubled on the plus s and set to zero on the minus sW Mill edge (Coils and cut lengths, including pickled) (BBA67A4, A5, A6, N4, N5, N6, X4 and X6)

I Specified w inch I Tolerances overI I spec wOve r To incl no toleranceI I I under, inch (7)12 14 7116I 14 I 1717 19 I l/2911619 21 5/B-21 24 11/1624 13/1626 15116I 300 I 508 I 1 118l2I 78 I * I 1 71%(7) The above tolerances do not apply to the uncropped ends of mill edge co

W

idth:

Cut edge. (Coils and cut lengths not resquared, including pickled) (BBA67A, A2, B, N, N2, N3, X and X5)Specified w

idth,

inchIve r To incl

Tolerances overspec

ifie

wno toleranceI I I under, inch (8)12 30 l/BI 30 I 48 I 3/l 648 60 l/4 I60 I 80 5l1680 - 3/B I(8) The above tolerances apply to thicknesses 0.230 inch and thinner.

W

idth:

Slit w

idth

tolerances for co

il

and cut lengths (BBA67A11, A22, Bl 1, N

l

1, N22, N33, R 1, R22, Xl 1 and X55)W

idth,

inchThickness, inch Over Over

2 to 6 6 to 9 9to12incl incl inclFrom To incl Tolerance, plus or minus, inch0.249 0.161 0.016 0.020 0.0200.161 0.100 0.010 0.016 0.0160.100 0.069 0.008 0.010 0.0100.069 0,017 0.005 0.005 0.0100.017 I 0.005 0.005 0.010

(Continued on page 4)

06 Specfffcafforr Geneml lectricCompeny BS March

31.199

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BBA67-S2Page 4Sheet,Hot-Rolled ow-Carbon teel,UNSG70080

TOLERANCES: (Continued)Length: (Cut lengths not resquared, including pickled) (All material except BBA67A11, A22, B, Bl 1, Nl 1, N22, N33, Rll,R22, Xl 1, X55)Specified length, Tolerances over specifiedinch length, no toleranceOver To incl under, inch- 15 l/815 l/430 f ii 1R60 120 3/4120 156 1156 192 1 114192 240 1 II2240 - 1 3l4

Length: Cut lengths [2 to 12 inches in width not resquared] (BBA67A11, A22. Nl 1, N22, N33, Rl 1, R22, Xl 1, X55)I . Specified length, inchI Over I Over ISpecified width, inch 24 to 60 60 to 120 120 to 240incl incl inclTolerances over specified lengthplus tolerance only, inch2 to 12 incl l/2 I 3f4 I 1

Camber: (Cut lengths, not resquared) (All material except BBA67B and Bl 1) (9) (10)Cut length, I Camber

12

t-141618

46810121416::30

Over t tolerances,To incl inch4 l/B6 31168 11410 5l1612 3/B14 l/216 5l818 3/420 7l830 I 1 l/440 1 li2

(9) The camber tolerance for coils is one inch in any 20 feet.(10) Camber is the deviation of a side edge from a straight line, the measurement being taken on the concave side with astraight edge.

(Continued on page 5)

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i BBA6.7PageSheet,Hot-Rolled ow-Carbon teel,UNSG70080TOLERANCES: (Continued)Flatness: (Not stretcher leveled,. fncluding pickled) (All material except BBA67B and 011)

Specified minimum thickness, Specified width, Flatness tolerances, (11)inch inch for specified yield point,min, inch 45ksiOver To incl Over To incl To 45 ksi to 50 ksiinclusive (13) inclusive(12) (14)12 36 3/40.044 0.057 36 60 ii 1 l/860 - 1 1 li212 60 3/40.057 0.180 60 72 ifi 1 l/B72 w 1 1 it20.180 0.230 12 48 ll2 3/4

(11) Maximum deviation fr om a horizontal flat surface.(12) There are no established flatness tolerances for sheet with specified mini mum yield point in excess of 50 ksi.(13) Tolerances to 45 ksi yield point inclusive based upon ASTM A568.(14) Tolerances from 45 ksi through 50 ksi yield point inclusive are generally foll owed by producers.Flatness: (Stretcher leveled, including pickled).

Specified minimumthickness,inch

Over 0.044 to0.180 incl

Over 0.180 to0.230 incl

Flatness tolerancesSpecified Specified (maximum deviationwidth, length, from a horizontalinch inch flat surface),inchOver 12 to48 incl To 96 incl l/BWider oronger lJ4

Over 12 to48 incl To 96 incl 118Longer l/4

Out-of-squareness: (BBA67A, A2, Al 1, A22, 0, 011, N, N2, N3, Nil, N22, N33, X, X5, Xl 1, X55) (15)Thickness, inchAll sizes I Tolerance, inchl/16 per 6 or fraction thereof of width

(15) Out-of-square is greatest deviation of an end edge from a straight line at right angle to a side andtouching one corneIt is also obtained by measuring the difference between t he diagonals of the sheet. Out-of-square deviation is onhalf of the difference.Width, length, camber and squareness: (Resquared) (BBA670 and 011)

Dimensions, inchWidth LengthUp to 48 incl Up to 120 inclUp to 48 incl Over 120Over 48 up to 120Over 48. Over 120

Tolerance, plus onlyWidth Length Camber Squarel/l6 l/l6 l/l6 l/l6l/8 l/8 l/8 l/8118 l/B l/B 118l/B l/8 118 l/B

(Continued on paae 61

0%tpxfficauon Geneml lect& Company BS .March 31,1996

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BBA6742Page 6 Sheet Hot-Rolled ow-Carbon teel.UNSG70080CERTIFICATE OF TEST:When requested, the supplier shall submit promptly to the purchaser at the point of delivery a certificate of test showingthe results of tests for chemical analysis required by this specification. This certificate shall be addressed to thesection, unit, or person specified on the purchase order, and shall contain the GE designation, the purchase ordernumber, and the quantity shipped so that the certificate may be identified with the shipment.PACKING AND MARKING:Material shall be properly separated by size for shipment, and carefully packed in accordance with the latest practice of AISI

to avoid damage or loss during shipment. When lift size is not specified on the purchase order, standard AISI lift will beacceptable.Each shipment shall be legibly marked with the purchase order number, the weight, the manufacturers name, and the GEdesignation.

GeneralElectric Compeny 08: . March 31 ,..i 996