astm a193 grade b7 qt steel round bar

quenched and tempered steel round bar astm a193 grade b7 

Alloy steel astm a193 grade b7 / aisi 4140 / sae 4140 / 42CrMo4 material is considered as the most suitable Alloy Steel Round Bar for botls and nuts to be used at temperature below 450 degree C, with a minimum effect on its structural strength during application at a high temperature. We produce Hot Rolled Steel Round Bar, Cold Drawn Steel Bar, Annealed Steel Round Bar and Bright Steel Round Bar.

Advantages of astmastm a193 grade b7 / aisi 4140 / sae 4140 / 42CrMo4 qt steel round bar for gr 10.9 bolts we supply: 
1): Smooth surface: Smooth surface without any cracks or scales
2): Good straightness: 1mm for hot rolled + QT bars and 0.5mm for cold drawn +QT bars
3): Uniform microstructure and mechanical properties
4): Anti-rusty packages: two layers packages and load in cntainer in our factory in case rusty and package damage.
5): Fast delivery time: Within two weeks if there is stock, within one month to customize.

Detailed astm a193 grade b7 / aisi 4140 / sae 4140 / 42CrMo4 steel bar specification:

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Product Categories : Heat Treated Steel Bar And Tube > Quenched And Tempered Steel Bar