中国日本美国英国德国法国前苏联GB1220-92GB3280-92JIS AISIUNSBS970BS1449DIN17440DIN17224NFA35-575NFA35-576Г О С Т56320Cr13SUS410SS4101Cr13SUS410410410S21X7Cr13Z6C13 08X132Cr13SUS420J1420J1 420S29X20Cr13Z20C13 20x131Cr17 SUS4304307Cr17SUS440A440A9Cr18SUS440C440CX105CrMo17Z100CD1795X1...

时间:2025-02-03 01:27栏目:行业资料