m6 to m45 J bolt 
Supply Ability: 6000 tons per year 
Specifications :m6 to m45 
Price Term: FOB,CIF 
Port of loading: SHANGHAI 
Minimum Order :1 carton 
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) 420 
Hardness(HV) 130 
The yield strength(Mpa) 340 
Inspection standard: 45# 
Item below m16 above m16 
The minimum tensile strength(Mpa): 800 830 
Hardness:HRC 2232 2334 
The yield strength:(Mpa) 580/RP0.20.91 600/RP0.20.91 
Elongation: 12% 
Shrinkage rate: 52%