Material certification report for steel flats, June 2001

NYC 9/11 Public Portal Document /

BAYOU STEEL CORPORATION MATERIAL CERTIFICATION REPORT RIVER ROAD P.O. BOX 5000 LA PLACE, LOUISIANA 70069-1156 FEDERAL PIPE & STEEL CORP. FEDERAL PIPE & STEEL W 1 2 El o Telephone (504) 652-4900 41580 JOY ROAD 1641 NEW MARKET AVE. o I PLYMOUTH, MI 48170 S PLAINFIELD, NJ 07080 o o U TESTED IN ASTM A6 INVOICE NO. DATE 06/08/01 s ACCORDANCE PRODUCT FLATS Cust F-1000 -0020 PO:11710 WITH HEAT NO. 93131 14 Pcs GRADE A3644W H Length 20'0” SIZE F 8 X 5/8 X 17.02 U

CHEMICAL MECHANICAL PROPERTIES HARDENABILITY ANALYSIS JOMINY TEST RESULTS TEST 1 TEST 2 TEST 3

C .13 YIELD STRENGTH - PSI 51,527 49,228 GRAIN SIZE Mn .94 TENSILE STRENGTH - PSI 71,897 70,701 P .018 % 36.0 38.0 ROCKWELL C HARDNESS ELONGATION 8 S .04 GUAGE LENGTH 8 DISTANCE FROM Si . 19 DIAMETER QUENCHED END IN BEND TEST Cu .37 RESULTS 1/16th INCH INCREMENTS Ni .11 SPECIMEN AREA - SQ. IN. Cf .15 REDUCTION OF AREA % 1 13 Mo .034 IMPACT STRENGTH FT/LBS. 2 14 Cb .000 3 15 V .015 4 16 SEVERITY FREQUENCY RATING B 5 18 Al INTERNAL CLEANLINESS 6 20 7 22 8 24 9 26 10 28 11 30 12 32

I HEREBY CERTIFY THAT THE MATERIAL TEST RESULTS PRESENTED HERE ARE FROM THE REPORTED HEAT AND ARE CORRECT. ALL TESTS WERE PERFORMED IN ACCORDANCE TO THE SPECIFICATIONS REPORTED ABOVE. ALL STEEL IS ELECTRIC FURNACE MELTED, MANUFACTURED, PROCESSED, AND TESTED IN THE U.S.A WITH SATISFACTORY RESULTS, AND IS FREE , OF MERCURY CONTAMINATION IN THE PROCESS.

SIGNED s TIMOTHY R. WLUjt, QUaLiTY ASSURANCE MANAGER

J £ NOTARIZED UPON REQUEST; SWORN TO AND SUBSCRIBED BEFORE ME IN AND FOR ST. JOHN direct any questions or necessary clarifications concerning PARISH ON THIS _ DAY OF , 20 THIS REPORT TO THE SALES DEPARTMENT.

J (NOTARY PUBLIC) 1-800-535-7692 (USA)

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