Docol® 460LA high strength low alloy
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Marcas y productos
Docol
Todas las calidades de acero para automoción
Aceros de aleación baja y resistencia alta
Docol 460LA, acero microaleado (HSLA)
General Product Description
Docol 460LA is available both as hot rolled and cold rolled. Docol HR460LA-UC can after agreement be adapted and delivered as dual certified with S460MC according to EN 10149-2.
Dimension Range
Cold rolled / UC: thickness 0.50-2.10 mm, width up to 1527 mm.
Cold rolled / GI, GA, ZA: thickness 0.80-2.00 mm, width up to 1410 mm.
Hot rolled / UC: thickness 2.00-6.00 mm, width up to 1600 mm.
Slit strip and cut to length sheets are available upon request.
Grade and coating specific restrictions on available dimensions may occur.
Mechanical Properties
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| Standard | Coating | Test direction |
Yield strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Elongation A80 1) (min %) |
Elongation A5 3) (%) |
n10-20/Ag (min) |
Min. inner bending radius for a 90° bend 4) | |
|---|---|---|---|---|---|---|---|---|---|
| Docol CR460LA | VDA 239-100 | UC | L | 460 - 580 | 520 - 680 | 15 | — | 0.10 | 0.5 x t |
| VDA 239-100 | GI, GA*, ZA* | L | 460 - 580 | 520 - 680 | 15 2) | — | 0.10 | 1.0 x t | |
| Docol HR460LA | VDA 239-100 | UC | L | 460 - 560 | 520 - 640 | 16 | 20 | — | 0.7 x t |
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Comparison
Docol CR460LA
Standard
VDA 239-100
Coating
UC
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
460 - 580
Tensile strength Rm
(MPa)
(MPa)
520 - 680
Elongation A80 1)
(min %)
(min %)
15
Elongation A5 3)
(%)
(%)
—
n10-20/Ag
(min)
(min)
0.10
Min. inner bending radius for a 90° bend 4)
0.5 x t
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Docol CR460LA
Standard
VDA 239-100
Coating
GI, GA*, ZA*
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
460 - 580
Tensile strength Rm
(MPa)
(MPa)
520 - 680
Elongation A80 1)
(min %)
(min %)
15 2)
Elongation A5 3)
(%)
(%)
—
n10-20/Ag
(min)
(min)
0.10
Min. inner bending radius for a 90° bend 4)
1.0 x t
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Docol HR460LA
Standard
VDA 239-100
Coating
UC
Test direction
L
Yield strength Rp0.2
(MPa)
(MPa)
460 - 560
Tensile strength Rm
(MPa)
(MPa)
520 - 640
Elongation A80 1)
(min %)
(min %)
16
Elongation A5 3)
(%)
(%)
20
n10-20/Ag
(min)
(min)
—
Min. inner bending radius for a 90° bend 4)
0.7 x t
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* Available upon request.
1) A80 value applies for thicknesses < 3.00 mm.
2) For GA coatings the minimum elongation value is reduced by 2 units.
3) A5 value applies for thicknesses ≥ 3.00 mm.
4) In some cases tight bending radius may cause micro-cracking of the coating in the bend area. Where design permits, users are encouraged to employ larger radius.
Chemical Composition (ladle analysis)
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| Coating | C (max %) |
Si (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Al (%) |
Ti (max %) |
Nb (max %) |
Cu (max %) |
|
|---|---|---|---|---|---|---|---|---|---|---|
| Docol CR460LA | UC | 0.10 | 0.60 | 1.60 | 0.025 | 0.010 | From 0.015 | 0.15 | 0.09 | 0.20 |
| GI, GA*, ZA* | 0.13 | 0.60 | 1.70 | 0.030 | 0.025 | From 0.015 | 0.15 | 0.10 | 0.20 | |
| Docol HR460LA | UC | 0.10 | 0.50 | 1.65 | 0.030 | 0.025 | From 0.015 | 0.15 | 0.10 | 0.20 |
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Comparison
Docol CR460LA
Coating
UC
C
(max %)
(max %)
0.10
Si
(max %)
(max %)
0.60
Mn
(max %)
(max %)
1.60
P
(max %)
(max %)
0.025
S
(max %)
(max %)
0.010
Al
(%)
(%)
From 0.015
Ti
(max %)
(max %)
0.15
Nb
(max %)
(max %)
0.09
Cu
(max %)
(max %)
0.20
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Docol CR460LA
Coating
GI, GA*, ZA*
C
(max %)
(max %)
0.13
Si
(max %)
(max %)
0.60
Mn
(max %)
(max %)
1.70
P
(max %)
(max %)
0.030
S
(max %)
(max %)
0.025
Al
(%)
(%)
From 0.015
Ti
(max %)
(max %)
0.15
Nb
(max %)
(max %)
0.10
Cu
(max %)
(max %)
0.20
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Docol HR460LA
Coating
UC
C
(max %)
(max %)
0.10
Si
(max %)
(max %)
0.50
Mn
(max %)
(max %)
1.65
P
(max %)
(max %)
0.030
S
(max %)
(max %)
0.025
Al
(%)
(%)
From 0.015
Ti
(max %)
(max %)
0.15
Nb
(max %)
(max %)
0.10
Cu
(max %)
(max %)
0.20
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* Available upon request.
Tolerances
Cold rolled (UC): Tolerances in accordance to EN 10131.
Hot rolled (UC): Tolerances in accordance to EN 10051.
Hot-dip galvanized (GI, GA, ZA): Tolerances in accordance to EN 10143.
Customized dimensional and shape tolerances are available upon request.
Coatings
The metal coating options for Docol products include:
Hot-dip zinc coating (GI) consists almost entirely of zinc (>99%). It is lead free, resulting in a small zinc spangle size. The coating provides good corrosion protection.
Galvannealed coating (GA) is a zinc-iron alloy coating having an iron content of approximately 10%. Galvannealed is produced by post-heat treatment in continuous hot-dip coating process. Galvannealed provides excellent resistance weldability and corrosion protection of painted products.
Galfan coating (ZA) is a zinc-aluminium alloy coating having the eutectic composition approximately of 95% Zn and 5% Al. Galfan is produced in continuous hot-dip coating process. Galfan has better anticorrosive and forming properties than conventional hot-dip zinc coating (GI).
Grade specific availability of metal coatings for Docol products is given in the Mechanical properties table (Coating).
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| Coating type | Coating class | Standard | Closest in EN 10346, informative | Coating mass per side, single spot test (g/m2) | Thickness per side informative (µm) |
|---|---|---|---|---|---|
| GI | 40/40 | VDA 239-100 | Z100 | 40 - 60 | 5.6 - 8.5 |
| GI | 50/50 | VDA 239-100 | — | 50 - 70 | 7.0 - 9.9 |
| GI | 60/60 | VDA 239-100 | Z140 | 60 - 90 | 8.5 - 12.7 |
| GI | 70/70 | VDA 239-100 | — | 70 - 100 | 9.9 - 14.1 |
| GI | 85/85 | VDA 239-100 | — | 85 - 115 | 12.0 - 16.2 |
| GI | 115/115 | VDA 239-100 | Z275 | 115 - 155 | 16.2 - 21.8 |
| GA | 40/40 | VDA 239-100 | ZF100 | 40 - 60 | 5.6 - 8.5 |
| GA | 50/50 | VDA 239-100 | ZF120 | 50 - 80 | 7.0 - 11.3 |
| ZA | 95 | EN 10346 | ZA95 | — | 7.0 - |
| ZA | 130 | EN 10346 | ZA130 | — | 10.0 - |
Compare parameters
Select one parameter to compare
Comparison
Coating type
GI
Coating class
40/40
Standard
VDA 239-100
Closest in EN 10346, informative
Z100
Coating mass per side, single spot test (g/m2)
40 - 60
Thickness per side informative (µm)
5.6 - 8.5
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Coating type
GI
Coating class
50/50
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
50 - 70
Thickness per side informative (µm)
7.0 - 9.9
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Coating type
GI
Coating class
60/60
Standard
VDA 239-100
Closest in EN 10346, informative
Z140
Coating mass per side, single spot test (g/m2)
60 - 90
Thickness per side informative (µm)
8.5 - 12.7
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Coating type
GI
Coating class
70/70
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
70 - 100
Thickness per side informative (µm)
9.9 - 14.1
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Coating type
GI
Coating class
85/85
Standard
VDA 239-100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
85 - 115
Thickness per side informative (µm)
12.0 - 16.2
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Coating type
GI
Coating class
115/115
Standard
VDA 239-100
Closest in EN 10346, informative
Z275
Coating mass per side, single spot test (g/m2)
115 - 155
Thickness per side informative (µm)
16.2 - 21.8
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Coating type
GA
Coating class
40/40
Standard
VDA 239-100
Closest in EN 10346, informative
ZF100
Coating mass per side, single spot test (g/m2)
40 - 60
Thickness per side informative (µm)
5.6 - 8.5
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Coating type
GA
Coating class
50/50
Standard
VDA 239-100
Closest in EN 10346, informative
ZF120
Coating mass per side, single spot test (g/m2)
50 - 80
Thickness per side informative (µm)
7.0 - 11.3
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Coating type
ZA
Coating class
95
Standard
EN 10346
Closest in EN 10346, informative
ZA95
Coating mass per side, single spot test (g/m2)
—
Thickness per side informative (µm)
7.0 -
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Coating type
ZA
Coating class
130
Standard
EN 10346
Closest in EN 10346, informative
ZA130
Coating mass per side, single spot test (g/m2)
—
Thickness per side informative (µm)
10.0 -
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For hot-dip galvanized (GI, GA, ZA) hot rolled grades, the coating mass tolerance is increased to 30 g/m² by increasing the upper limit.
Docol metal coated products are available with surface quality for unexposed applications.
In addition to these coating masses, OEM specific coatings are available upon request.
Surface Treatments
Uncoated (UC): available as oiled.
Hot-dip galvanized (GI, GA, ZA): available as oiled and/or chemically passivated.
All surface treatments are in accordance with RoHS directive (2011/65/EU) and do not contain Chromium VI (Cr6+). Surface treatments provide only temporary surface protection during transportation and storage. In order to avoid corrosion damages, care must be taken to keep the products dry during transportation and storage. If they become wet, they must be separated and situated so that they are dried quickly.
Fabrication and Other Recommendations
For information concerning fabrication, see SSAB´s brochures on www.ssab.com or consult Tech Support.
Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the products.
Docol® High Strength Low Alloy steel product offer
Docol® 420LA high strength low alloy
Docol® S600MC high strength low alloy
Docol® S650MC high strength low alloy
Docol® S700MC high strength low alloy
Docol® S900MC high strength low alloy
Docol® 460LA high strength low alloy
Docol® 500LA high strength low alloy
Docol® 550LA high strength low alloy
Docol® 600LA high strength low alloy
Docol® 650LA high strength low alloy
Docol® 700LA high strength low alloy
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