16Mn 、27SiMn合金管
51,57,63.5,76,80,83,89x3-14
95,102,108,114,121,127,133x4-16
140,146,152,159,168,180,194x5-18
203,219,245,173,299,325,351x8-36
377,406,426,450,480,510,530x10-25