Product Description
Docol 550LA High Strength Low Alloy Steel (HSLA) Description
Docol 550LA HSLA has main alloying elements of carbon, manganese, molybdenum, chromium and nickel. Docol 550LA 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. Docol 550LA HSLA steel has a wide range of applications, among which bridge construction is one of the most important applications. Because the steel has high strength, good toughness and wear resistance, it can greatly reduce the structural weight in the construction of bridges and improve the wind resistance and service life of bridges.
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 HR 550LA |
VDA239- 100:2016 |
UC, Cam tho |
L |
550-670 |
610-750 |
12 |
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 HR 550LA |
UC |
0.12 |
0.60 |
1.80 |
0.025 |
0.025 |
0.015 |
0.15 |
0.09 |
0.20 |
|
Docol HR 550LA |
GI |
0.12 |
0.60 |
1.80 |
0.030 |
0.025 |
0.015 |
0.15 |
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 |
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Faq
Are you a manufacturer?
We are a manufacturer and trader in one.
Can we visit the factory?
Customers are welcome to visit the factory.
How are the goods purchased shipped?
Export standard packaging.
What is the delivery time?
Depending on the quantity purchased, the usual delivery time is 7-12 days.
Do we have access to samples? What are the costs?
Samples are supported, depending on stock availability a sample fee is charged, if a sample fee is charged we will refund the sample fee when the customer orders the main goods.
How do we get a quote for a product?
Please send me the name, size, quantity and packaging requirements of the product you wish to order and we will then provide you with the most accurate and favourable price.
Keywords
Docol 550LA High Strength Low Alloy Steel (HSLA)
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