Docol® 650LA high strength low alloy

More about high strength low alloy steel

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General Product Description

The Docol 650LA is a high-strength low-alloy steel that offer consistent properties for modern, rapid production methods. Typical applications include components and parts such as load-bearing structures, for example chassis. Docol HR650LA-UC can after agreement be adapted and delivered as dual certified with S650MC according to EN 10149-2.

Dimension Range

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 R_p0.2 (MPa)	Tensile strength R_m (MPa)	Elongation A₈₀¹⁾ (min %)	Elongation A₅²⁾ (min %)	Min. inner bending radius for a 90° bend
Docol HR650LA	SSAB	UC	L	650 - 780	700 - 850	12	14	1.2 x t

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Coating

Test direction

Yield strength R_p0.2
(MPa)

Tensile strength R_m
(MPa)

Elongation A₈₀¹⁾
(min %)

Elongation A₅²⁾
(min %)

Min. inner bending radius for a 90° bend

Docol HR650LA

Standard

SSAB

Coating

Test direction

Yield strength R_p0.2
(MPa)

650 - 780

Tensile strength R_m
(MPa)

700 - 850

Elongation A₈₀¹⁾
(min %)

Elongation A₅²⁾
(min %)

Min. inner bending radius for a 90° bend

1.2 x t

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¹⁾ A₈₀ value applies for thicknesses < 3.00 mm.

²⁾ A₅ value applies for thicknesses ≥ 3.00 mm.

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 HR650LA	UC	0.12	0.60	2.00	0.025	0.010	From 0.015	0.15	0.09	0.20

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C
(max %)

Si
(max %)

Mn
(max %)

P
(max %)

S
(max %)

Al
(%)

Ti
(max %)

Nb
(max %)

Cu
(max %)

Docol HR650LA

Coating

C
(max %)

0.12

Si
(max %)

0.60

Mn
(max %)

2.00

P
(max %)

0.025

S
(max %)

0.010

Al
(%)

From 0.015

Ti
(max %)

0.15

Nb
(max %)

0.09

Cu
(max %)

0.20

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Tolerances

Hot rolled (UC): Tolerances in accordance to EN 10051.

Customized dimensional and shape tolerances are available upon request.

Surface Treatments

Uncoated (UC): available as oiled.

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 HR100XF

Docol HR110XF

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 S960MC

Docol® 460LA high strength low alloy

Docol® 500LA high strength low alloy

Docol® 550LA high strength low alloy

Docol® 600LA high strength low alloy