Cold - rolled flat products made of high yield strength micro - alloyed steels for cold forming - general delivery conditions ; german version en 10268 : 1998 冷成形用的高屈服强度的微合金化钢制的冷轧平板产品
Hot - rolled flat products made of high yield strength steels for cold forming . part 2 : delivery conditions for thermomechanically rolled steels 冷成型用高屈服强度钢热轧扁平轧材.第2部分:热机械轧制钢的交货条件
Cold - rolled uncoated low carbon and high - yield strength steel flats for cold forming ; tolerances on size and geometrical tolerances ; german version en 10131 : 1991 冷成形用冷轧无镀层低碳和高屈服强度钢的扁平轧材.尺
Hot - rolled flat products made of high yield strength steels for cold forming . part 3 : delivery conditions for normalized or normalized rolled steels 冷成形用高屈服点钢制热轧扁平产品.第3部分:普通退火和轧制钢交货条件
The entire dedendum should be round corner , to the gear of 200 pressure angle , the yield strength is largely improved than the 14 . 50 pressure angle gear 整个根都倒圆角压力角200的轮,其屈服强度比14 . 50压力角的轮得到极大