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
Model No.: astm a193 grade b7
Min. Order: 5 Metric Ton
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Transportation: Ocean,Land,Air
Productivity: 3000 tons per month
Packaging: Anti-rusty standard seaworthy
Delivery Time: 30 Days
Place of Origin: Shandong Provnce, China
Brand: LE REN
Supply Ability: 3000 tons per month
Certificate: ISO 9001

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 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.

 

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 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

9. RFQ:

Q1. Are you a manufactuer?
A1:Yes, we have our own factory and labatory to produce and inspect products. 

Q2. How to ensure that every process's quality?

A2:Every process will be checked by our quality inspection department which insures every product's quality. we will personally go to tIn the production of products,he factory to check the quality of products.

Q3.How long is your delivery time?
A3:Our delivery time is generally 30 to 45 days. Or according to the quantity.

Q4. What is your payment method?
A4:30% value of T/T in advance and other 70% balance on B/L copy.
Q5.Can you provide a sample?
A5:Sure, Our sample is provided free of charge, but not including courier fees.



http://www.lerenspecialsteel.com
Email to this supplier
  • *Subject:
  • *Messages:
    Your message must be between 20-3000 characters
Post Sourcing Request >>