Docol® 700LA high strength low alloy

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General Product Description

The Docol 700LA steels are high-strength low-alloy steels that offer consistent properties for modern, rapid production methods. The Docol 700LA steels are made for cold forming of stronger and lighter structures. Typical applications include components and parts in demanding load-bearing structures such as chassis. Docol HR700LA-UC can after agreement be adapted and delivered as dual certified with S700MC according to EN 10149-2.

Dimension Range

Hot rolled / UC: thickness 2.00-6.00 mm, width up to 1600 mm.

Hot rolled / EG: thickness 2.00-3.00 mm, width up to 1360 mm.

Hot rolled / GI: thickness 2.00-2.50 mm, width up to 1040 mm.

Slit strip and cut to length sheets are available upon request.

Grade and coating specific restrictions on available dimensions may occur.

Mechanical Properties

Docol HR​700LA

Standard
VDA239-100:2016
Coating
UC, EG
Test direction
L
Yield strength Rp0.2
(MPa)
700 - 850
Tensile strength Rm
(MPa)
750 - 950
Elongation A80
(min %)
10
Elongation A5
(%)
13
Min. inner bending radius for a 90° bend
1.2 x t

* Available upon request.

1)A80 value applies for thicknesses < 3.00 mm.

2)A5 value applies for thicknesses ≥ 3.00 mm.

3)The value applyto steel when bending angle is 90°. In some cases tight bending radius may cause micro-cracking of the coating in the bend area. Where design permits, users are encouraged to employlarger radius.

4)For GI coating the minimum value for elongation is reduced by 1 unit.

Chemical Composition (heat analysis)

Docol HR​700LA

Coating
UC, EG, GI*
C
(max %)
0.12
Si
(max %)
0.60
Mn
(max %)
2.10
P
(max %)
0.030
S
(max %)
0.025
Al
(%)
From 0.015
Ti
(max %)
0.20
Nb
(max %)
0.10
Cu
(max %)
0.20

Tolerances

Hot rolled (UC, EG): Tolerances in accordance to EN10051.

Hot-dip galvanized (GI): Tolerances in accordance to EN10143.

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.

Electrogalvanized coating (EG) is applied continuously by electro deposition. The coating consists of zinc (>99%). Electrogalvanized steel is characterized by its excellent surface quality and uniform coating thickness.

Grade specific availability of metal coatings for Docol products is given in the Mechanical properties table (Coating).

Coating type
Coating type
GI
Coating class
40/40
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
Coating type
Coating type
GI
Coating class
50/50
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
Coating type
Coating type
GI
Coating class
60/60
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
Coating type
Coating type
GI
Coating class
70/70
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
Coating type
Coating type
GI
Coating class
85/85
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
Coating type
Coating type
GI
Coating class
115/115
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
Coating type
Coating type
EG
Coating class
25/25
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
12 -
Thickness per side informative (µm)
1.7 -
Coating type
Coating type
EG
Coating class
50/50
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
29 -
Thickness per side informative (µm)
4.1 -
Coating type
Coating type
EG
Coating class
75/75
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
47 -
Thickness per side informative (µm)
6.6 -
Coating type
Coating type
EG
Coating class
100/100
Closest in EN 10346, informative
—
Coating mass per side, single spot test (g/m2)
65 -
Thickness per side informative (µm)
9.1 -

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): available as oiled and/or chemically passivated.

Electrogalvanized (EG): available as oiled and/or chemically passivated or phosphated.

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, [email protected].

Appropriate health and safety precautions must be taken when bending, welding, cutting, grinding or otherwise working on the product.

Docol® High Strength Low Alloy steel product offer

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