C Si Mn P S ALT
MES MM 155 STKM11AZ 0.12MAX 0.35MAX 0.25~0.6 0.04MAX 0.04MAX
Q/BQB420-2009 DC56D+Z 0.12MAX 0.5MAX 0.6MAX 0.1MAX 0.045MAX 0.3MAX
Q/BQB402-2009 SPCF 0.008MAX 0.30MAX 0.02MAX 0.020MAX 0.015MIN
SPCE 0.08MAX 0.4MAX 0.025MAX 0.020MAX 0.015MIN
JIS G3141-2005 SPCF 0.08MAX 0.45MAX 0.30MAX 0.30MAX
化学成分
牌号标准号
材料对照表
抗拉强度( Mpa) 屈服强度 (Mpa) 延伸率 (%)
290MIN 35MIN
260~350 120~180 37MIN
270MIN 210MAX