Docol 420LA High Strength Low Alloy Steel (HSLA)
Classification :
High Strength Low Alloy Steel
Key words:
PRODUCT DETAILS
Product Description
Docol 420LA : Docol 420LA steel is a high-strength low-alloy steel, which can be supplied as hot-rolled steel and cold-rolled steel. Docol HR420LA-UC can be customized according to the agreement and are supplied with S420MC based on EN 10149-2:2010 standard.
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- |
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