美国标准合金结构钢1330HH133001335HH133501340HH134001345HH134504027HH402704028HH402804032HH403204037HH403704042HH404204047HH404704118HH411804130HH413004135HH413504137HH413704140HH414004142HH414204145HH414504147HH414704150HH415004161HH416104320HH432004340HH43400H4040HH434064419HH441904620HH462004621HH462104626H462604718HH471804720HH472004815HH481504817HH481704820HH4820050B40HH5040150B44HH504415046HH5046050B46HH5046150***HH5050150B60HH506015120HH512005130HH513005132HH513205135HH513505140HH514005145HH514505147HH514705150HH515005155HH515505160HH5160051B60HH516016118HH611806150HH6150081B45HH814518617HH861708620HH862008622HH862208625HH862508627HH862708630HH8630086B30HH863018637HH863708640HH864008642HH864208645H86B45H8650H8655H8660H8720H8740H8822H9260H9310H94B15H94B17H94B30H美国易切削结构钢1108G110801109G110901110G111001116G111601117G111701118G111801119G111901132G113201137G113701139G113901140G114001141G114101144G114401145G114501146G114601151G115101211G121101212G121201213G121301215G1215012L14G1214412L15G12154)