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Contact SupplierWe are offering unc, din, carbon steel, stainless steel, brass m6~m45 l bolts.
Specification: m6 to m45
length: according to the drawing
material: q235,45#
finish : blue, white , mixed, blue-white, blacken, h.d.g. Cr6.cr3
inspection standar: q235
the minimum tensile strength(mpa)£º 420
hardness(hv)£º 130
the yield strength(mpa)£º ¡ý340
inspection standard: 45#
item below m16 above m16
the minimum tensile strength(mpa): ¡ý800 ¡ý830
hardness:hrc 22¡«32 23¡«34
the yield strength:(mpa) 580/rp0.2¡«0.91 600/rp0.2¡«0.91
elongation: ¡ý12%
shrinkage rate: ¡ý52%.