YSBS352029-2-2020
中低合金钢高低标
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YSBS352029-2-2020
中低合金钢高低标

YSBS353303-2019/BW-09
18Cr2Ni4WA

SBT19-031
QT400

SBT19-032
QT450

SBT19-033
QT450

SBT19-034
QT500

SBT19-035
QT500

KYBS041-25
QT450

KYBS042-25
QT600

KYBS043-25
QT500

KYBS044-25
QT700

KYBS045-25
QT400~600

KYBS046-25
QT600

KYBS047-25
QT600

KYBS048-25
QT450

KYBS051-25
QT450

KYBS072-16
QT450

KYBS052-25
QT500-7

KYBS053-25
QT500-7

KYBS054-25
QT450-10