| 类型 |
肩膀上 |
| 材料 |
QT500-7 |
| 问题(L×W x H)(mm) |
700*600*(180-250) |
| 出生地 |
Hebei China (Mainland) |
| 牌子的名字 |
GCT |
| 模式的数量 |
as your design |
We produce all kinds of railway fastener,railway fittings.We can bid for railway project!If you are interested in our product,please send us your drawing to us,We will give you a good quotation immediately! NO.namematerial1spanchlossQT500-72nutsteel 453steel washersteel 454insulatornylon 66 NO.test projectresult1magnaflux particle testingno flaw on surface2Brinell hardness testing170-230HB3breaking tensil testing>=160KN4metallographic testingnodulizing >=3 grade5material property testingtensile strength>=470Mpa yield strength>=320Mpa elogation>=6%