Carbon steel Q235

الوصف

Product Scope:
With ductility, toughness , cold , good weldability, suitable for engineering machinery, construction machinery, agricultural machinery and other industries and the general structure stampings and welded pipe and so on.
Quenching specification :
Quenching temperature of **0 ℃, salt bath furnace heating , *0% NaCl brine cooling quenching.
Basic features:
GB*****8 standard carbon steel Q**5 metallurgical quality divided by A, B, C, D four grades , each grade of steel are 0.3% Si content , except that the carbon and sulfur and phosphorus content different . AB- carbon content of 0.*4% ~ 0.*2% and 0.*2% ~ 0.*0%, CD grade carbon content of ≦ 0.*8%, ≦ 0.*7%, Mn content of the minimum level A , D SP minimum content level .
There are just a strong domestic manufacturing cold die quenching many instances application of low-carbon martensite.