T2紫铜H59黄铜C36000铜棒H62铜板H60铜H61铜
2cr13不锈钢3cr13棒12cr13板20cr13耐热钢
304不锈钢316L棒201板310S卷321条904L线
H13模具钢718H钢NAK80钢cr.12mov钢cr8圆钢
7075铝1A50铝2A02板3A21棒5A02方6A02条
1060纯铝5052铝板5083铝棒6063铝管6061现货
SAE1008圆钢Y20PB六角钢方钢Y15MN钢管易切削钢
SUM22圆钢SUM24L方钢11SMPB30六角钢现货
1144易切削钢Y40mn圆钢Y15pb六角棒Y12PB钢管
1215易切削钢12L14圆钢1214方钢12L15现货
T22圆钢G20crnimo钢40crni2mo钢现货规格齐
SAE5130圆钢STE420钢SWRCH45K钢现货规格齐
ML20MNTiB圆钢ML40cr钢SAE4817H现货齐全
60si2crv圆钢CL516C钢FAS3420H钢现货
37mn5圆钢50crmnmo钢55crmo钢现货规格齐全
26crmo圆钢30cr2ni2moA钢35mnBM钢现货齐
20mnsi圆钢20crni3H钢25cr2ni4mov钢板
FAS4320H钢12cr2mo1R圆钢SAE1045H钢现货
40crv钢25mnvK圆钢37crmnmo钢A193现货齐
1cr5mo钢30#钢板12cr1mova圆钢现货规格齐全
40mnbH钢15b36cr圆钢23mnnimocr54现货
4320H圆钢20mnv钢25cr2mo1vA钢现货规格齐全
25cr2mov钢38crsi圆钢N45S线材60crmov
SCM415钢S355J0圆钢SCM420钢SCM435现货
AISI4145H圆钢35crmov钢25cr2mova现货
20cr2ni4A圆钢15crmoG合金管22crmoH钢板
35crmnsiA圆钢25cr2mo1vA钢20crmoH钢
Q235圆钢Q460钢板30crmnsi钢12crni3A钢
45mn2圆钢S45C钢板50mn钢A3六角现货规格齐全
30mn2圆钢18cr2ni4W钢20mnVB现货齐全批发