分析区分( ANALYSIS): RF=熔炼分析(LADLE ANALYSIS), CF=成品分析( PRODUCT ANALYSIS)。 ② 方向 (ORIENTATION):1=纵向( LONGI);2=横向( TRANS); 4=与轧制方向成30°( 30° TO THE ROLLING DIRECTION);6=与轧制方向成45°( 45°TO THE ROLLING DIRECTION);7=与轧制方向成60°( 60°TO THE ROLLING DIRECTION)。 ③ 标距 G.L.=(GAUGE LENGTH): 矩形试验片 ( RECTANGULAR): A:比例标距,其中1=5.65×SQRT(F0),2=11.3SQRT(F0)。B:定标距, 2=50mm, 3=50.8mm, 6=80mm, 8=200mm。 ④YR=屈强比( YIELD RATIO Y.S/T.S)。 1.本产品已按上述要求进行制造和检验,其结果符合要求,特此证明。WE HEREBY CERTIFY THAT THE MATERIAL DESCRIBED HEREIN HAS MANUFACTURED AND TESTED WITH SATISFACTORY RESULTS IN ACCORDANCE WITH THE REQUIREMENTS OF THE ABOVE MATERIAL SPECIFICATION. 2.本质量证明书中空白项目均不作为交货条件。THE BLANK ITEMS SHOULDN’T BE REGARDED AS DELIVERY CONDITIONS.