High Strength Low Alloy Steel
High Strength Low Alloy Steel
Docol 420LA High Strength Low Alloy Steel (HSLA)
Docol 420LA steel is a high-strength low-alloy steel, which can be supplied as hot-rolled steel and cold-rolled steel. It is supplied with S420MC based on EN 10149-2:2010 standard.
Big fire special steel, high strength steel plate, steel industry supply and demand, steel suppliers
Docol 420LA High Strength Low Alloy Steel (HSLA) Description
The main alloying elements of HSLA steel include carbon, manganese, molybdenum, chromium and nickel. The nickel varies according to different HSLA steel grades. The proportion and ratio of these elements all play a crucial role in the performance of HSLA steel. Docol 420LA HSLA improves strength while maintaining good toughness, giving it superior performance in withstanding impact and tensile stress. Besides, HSLA steel has lower alloying element content, which is beneficial to the implementation of welding processes. Through reasonable control of alloying element content, HSLA steel can have a certain corrosion resistance, suitable for engineering structures in corrosive environments. Lastly, Docol 420LA HSLA has good plasticity and malleability, which is conducive to the implementation of various forming processes and reduces manufacturing costs.
Mechanical Properties
|
Steel Grade |
Standard |
Plating |
Test Direction |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Extension Rate A80( min%) |
Minimum Bend Inner Diameter for 90 ° Bend |
|
Docol CR 420LA |
VDA239- 100:2016 |
GI, GA*, ZA |
L |
420-520 |
480-600 |
17 |
1.0xt |
|
Docol HR 420LA |
VDA239- 100:2016 |
UC, Cam tho |
L |
420-520 |
480-600 |
18 |
UC 0.5xt bottle GI 1.0xt |
Chemical Composition
|
Steel Grade |
Plating |
C (max %) |
Si (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Al ( min%) |
Ti (max%) |
Nb (max %) |
Cu (max %) |
|
Docol CR 420LA |
GI,GA,ZA |
0.12 |
0.50 |
1.65 |
0.30 |
0.025 |
0.015 |
0.015 |
0.10 |
0.20 |
|
Docol HR 420LA |
UC |
0.12 |
0.50 |
1.60 |
0.30 |
0.025 |
0.015 |
0.015 |
0.09 |
0.20 |
|
Docol HR 420LA |
GI |
0.12 |
0.50 |
1.60 |
0.30 |
0.025 |
0.015 |
0.015 |
0.10 |
0.20 |
Plating
|
Plating Type |
Plating Grade |
Standard |
Single-sided coating quality, single-point test (g/m2) |
Single side thickness, for reference only(μm) |
|
GI |
40/40 |
VDA239-100 |
40-60 |
5.6-8.5 |
|
GI |
50/50 |
VDA239-100 |
50-70 |
7.0-9.9 |
|
GI |
60/60 |
VDA239-100 |
60-90 |
8.5-12.7 |
|
GI |
70/70 |
VDA239-100 |
70-100 |
9.9-14.1 |
|
GI |
85/85 |
VDA239-100 |
85-115 |
12.0-16.2 |
|
GI |
115/115 |
VDA239-100 |
115-155 |
16.2-21.8 |
|
GA |
40/40 |
VDA239-100 |
40-60 |
5.6-8.5 |
|
GA |
50/50 |
VDA239-100 |
50-80 |
7.0-11.3 |
|
ZA |
95 |
As required |
7- |
|
|
ZA |
130 |
As required |
10- |
What is your working time?
In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
How to pack the products?
The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Can you send samples?
Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
What product information do I need to provide?
You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
What are the shipping ports?
Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
About product prices?
Prices vary from period to period due to cyclical changes in the price of raw materials.
What are the certifications for your products?
We have ISO 9001, SGS, EWC and other certifications.
How long does your delivery time take?
In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
