One Of Hottest For 4140 Alloy Steel Tubing – ASTM A1020/GB20 Carbon Steel Round Bar – Haihui
Short Description:
One Of Hottest For 4140 Alloy Steel Tubing – ASTM A1020/GB20 Carbon Steel Round Bar – Haihui Detail:
|
C |
Si |
Mn |
P≤ |
S≤ |
Ni≤ |
Mo |
|
0.35~0.45 |
0.20~0.40 |
0.50~0.70 |
0.025 |
0.025 |
0.025 |
0.10~0.30 |



|
Physical Properties |
Metric |
Imperial |
|
Density |
7.85 g/cm3 |
0.284 lb/in3 |
|
Tensile strength |
Yield strength |
Elongation rate |
Contractibility Rate |
Hardness(HB) |
|
≥675MPa |
≥400MPa |
≥12% |
≥35% |
≤255(without heat treatment) |
|
≤229(annealing) |
|
USA |
Japan |
Germany |
U.K. |
France |
Italy |
Spain |
Sweden |
China |
|
|
AISI/SAE |
JIS |
W‐nr. |
DIN |
BS |
AFNOR |
UNI |
UNE |
SS |
GB |
|
1020 |
‐ |
1.0402 |
C22 |
050A20 |
CC20 |
C20, C21 |
F.112 |
1450 |
20 |
1. How can I get a quotation from you ?
A: You can leave us message, and we will reply every message in time . Or we may talk on line by Whatsapp or Wechat . And you can also find our contact information on contact page .
2. Can we get the some samples?Any charges?
A: Yes,you can get available samples in our stock. Free for real samples,but customers need to pay the freight cost.
3. What is your delivery time ?
A. The time of delivery is usually around 15days(1*40FT as usual) ;
B. We can send out in 2 days , if it has stock .
4. How can you guarantee what I got will be good ?
A: We are factory with 100% pre-delivery inspection which guarantee the quality.
5. How do you make our business long-term and good relationship ?
A. We keep good quality and competitive price to ensure our customers benefit;
B. We respect every customer as our friend and we sincerely do business and make friends with them no matter where they come from.
6. Can we get the some samples?Any charges?
A: Yes,you can get available samples in our stock.Free for real samples,but customers need to pay the freight cost.
Product detail pictures:





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We always follow the principle "Quality Very first, Prestige Supreme". We have been fully committed to delivering our customers with competitively priced high-quality products and solutions, prompt delivery and experienced services for One Of Hottest For 4140 Alloy Steel Tubing – ASTM A1020/GB20 Carbon Steel Round Bar – Haihui, The product will supply to all over the world, such as: Barcelona, Birmingham, Luxemburg, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, please contact us. And It is our great pleasure if you like to have a personally meeting in our office.
This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.




