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astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar
astm a193 grade b7 qt steel round bar

astm a193 grade b7 qt steel round bar

$800-1100 /Metric Ton

Payment Type:D/A
Min. Order:5 Metric Ton
Product Attributes

Model No.astm a193 grade b7

Packaging & Delivery
Selling Units : Metric Ton
Quality inspection.mp4
Product Description

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:

1. astm a193 grade b7 / aisi 4140 alloy steel chemical composition:


C
SI MN S P CR MO
0.37-0.49 0.15-0.35 0.70-1.10 0.035(MAX) 0.035(MAX) 0.75-1.20 0.15-0.25


2. astm a193 b7 / aisi 4140 alloy steel mechanical property:


Dia
Minimum temperature Tensile strength Yield strength Elongation Reduction of area Hardness
Below 65mm 593 ° C 860 720 16 50 35 HRC
65mm to 100mm 593 ° C 795 655 16 50 35 HRC
100mm to 160mm 593 ° C 690 510 18 50 29 HRC

 

5. Production line:

 Qt Bar

6. Production Facilities:

Heat Treatment

7. Inspection:

Inspection

8.  Package:

Mmexport1552531948252

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