SSAB Laser® 355C

General Product Description

SSAB Laser® 355C is an advanced structural cold forming steel for laser cutting. The SSAB guarantee for flatness, both before and after laser cutting, is ≤ 3 mm/m deviation.

SSAB Laser® 355C meets and exceeds the requirements of S355K2C+N in EN 10025-2. Dual certification and CE marking are available upon request.

Dimension Range

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Delivery form	Thickness (mmin)	Width (mmin)	Length (mmin)
Hot rolled sheet as rolled	3.0 - 15.00.12 - 0.591	1000 - 186039.37 - 73.23	1000 - 1600039.37 - 629.92
Hot rolled sheet pickled and oiled	3.0 - 15.00.12 - 0.591	1000 - 183039.37 - 72.05	1000 - 1600039.37 - 629.92
Hot rolled plate as rolled	8.0 - 30.00.31 - 1.18	1000 - 330039.37 - 129.9	2000 - 1500078.74 - 590.55

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Thickness
(mmin)

Width
(mmin)

Length
(mmin)

Delivery form

Hot rolled sheet as rolled

Thickness
(mmin)

3.0 - 15.00.12 - 0.591

Width
(mmin)

1000 - 186039.37 - 73.23

Length
(mmin)

1000 - 1600039.37 - 629.92

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Delivery form

Hot rolled sheet pickled and oiled

Thickness
(mmin)

3.0 - 15.00.12 - 0.591

Width
(mmin)

1000 - 183039.37 - 72.05

Length
(mmin)

1000 - 1600039.37 - 629.92

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Delivery form

Hot rolled plate as rolled

Thickness
(mmin)

8.0 - 30.00.31 - 1.18

Width
(mmin)

1000 - 330039.37 - 129.9

Length
(mmin)

2000 - 1500078.74 - 590.55

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Mechanical Properties

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Delivery form	Thickness (mmin)	Yield strength R_e (min MPa)	Tensile strength R_m (MPa)	Elongation A₅ (min %)	Min. inner bending radius 90° t ≤ 6mm¹⁾ (x t)	Min. inner bending radius 90° t ˃ 6mm¹⁾ (x t)
Hot rolled sheet	3.0 - 15.00.12 - 0.591	355	490 - 630	20	1.5	1.5
Hot rolled plate	8.0 - 30.00.31 - 1.18	355	490 - 630	20	—	1.5

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Thickness
(mmin)

Yield strength R_e
(min MPa)

Tensile strength R_m
(MPa)

Elongation A₅
(min %)

Min. inner bending radius 90° t ≤ 6mm¹⁾
(x t)

Min. inner bending radius 90° t ˃ 6mm¹⁾
(x t)

Delivery form

Hot rolled sheet

Thickness
(mmin)

3.0 - 15.00.12 - 0.591

Yield strength R_e
(min MPa)

355

Tensile strength R_m
(MPa)

490 - 630

Elongation A₅
(min %)

20

Min. inner bending radius 90° t ≤ 6mm¹⁾
(x t)

1.5

Min. inner bending radius 90° t ˃ 6mm¹⁾
(x t)

1.5

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Delivery form

Hot rolled plate

Thickness
(mmin)

8.0 - 30.00.31 - 1.18

Yield strength R_e
(min MPa)

355

Tensile strength R_m
(MPa)

490 - 630

Elongation A₅
(min %)

20

Min. inner bending radius 90° t ≤ 6mm¹⁾
(x t)

—

Min. inner bending radius 90° t ˃ 6mm¹⁾
(x t)

1.5

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The mechanical properties are tested transverse to the direction of rolling.

¹⁾ The bending guarantee is valid for both longitudinal and transverse direction.

Impact Properties

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Min. impact energy for longitudinal testing, Charpy V 10x10 mm test specimens
40 J / -20 °C

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Min. impact energy for longitudinal testing,
Charpy V 10x10 mm test specimens

40 J / -20 °C

Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6mm. The specified minimum value corresponds to a full-size specimen.

Chemical Composition (heat analysis)

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Delivery form	C (max %)	Si (max %)	Mn (max %)	P (max %)	S (max %)	CEV (max )
Hot rolled sheet	0.18	0.03	1.6	0.020	0.020	0.45
Hot rolled plate	0.2	0.03	1.6	0.020	0.020	0.45

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C
(max %)

Si
(max %)

Mn
(max %)

P
(max %)

S
(max %)

CEV
(max )

Delivery form

Hot rolled sheet

C
(max %)

0.18

Si
(max %)

0.03

Mn
(max %)

1.6

P
(max %)

0.020

S
(max %)

0.020

CEV
(max )

0.45

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Delivery form

Hot rolled plate

C
(max %)

0.2

Si
(max %)

0.03

Mn
(max %)

1.6

P
(max %)

0.020

S
(max %)

0.020

CEV
(max )

0.45

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All SSAB Laser® steels are aluminum-killed (Al ≥ 0.015%) and grain-refined. Additionally, niobium (Nb), vanadium (V), titanium (Ti) and/or boron (B) may be used as single alloying element or in any combination.

Tolerances

All SSAB Laser® products are delivered with SSAB Laser® tolerances, which means increased guarantees compared to corresponding EN standards. Detailed information is available on ssab.com.

Thickness

Hot rolled sheet: SSAB Laser® tolerances correspond to 2/3 of EN 10051 as default. Tighter tolerances are available upon request.

Hot rolled plate: SSAB Laser® tolerances correspond to 3/4 of EN 10029 as default.

Width

Hot rolled sheet: -0/+20 mm for mill edge sheet; -0/+2 mm for cut edge sheet. Tighter tolerances are available upon request.

Hot rolled plate: -0/+4-10mm depending on the thickness.

Length

Hot rolled sheet:

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Nominal length (mm)	Tolerance (mmin)
l ≤ 4000	- 0 / + 3- 0 / + 0.1
4000 ˂ l ≤ 6000	- 0 / + 4- 0 / + 0.2
6000 ˂ l ≤ 8000	- 0 / + 5- 0 / + 0.2
8000 ˂ l ≤ 13000	- 0 / + 6- 0 / + 0.2
13000 ˂ l ≤ 16000	- 0 / + 8- 0 / + 0.3

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Tolerance
(mmin)

Nominal length
(mm)

l ≤ 4000

Tolerance
(mmin)

- 0 / + 3- 0 / + 0.1

Nominal length
(mm)

4000 ˂ l ≤ 6000

Tolerance
(mmin)

- 0 / + 4- 0 / + 0.2

Nominal length
(mm)

6000 ˂ l ≤ 8000

Tolerance
(mmin)

- 0 / + 5- 0 / + 0.2

Nominal length
(mm)

8000 ˂ l ≤ 13000

Tolerance
(mmin)

- 0 / + 6- 0 / + 0.2

Nominal length
(mm)

13000 ˂ l ≤ 16000

Tolerance
(mmin)

- 0 / + 8- 0 / + 0.3

Hot rolled plate:

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Nominal length (mm)	Tolerance (mm)
2000 ˂ l ≤ 10000	- 0 / + 15
10000 ˂ l ≤ 15000	- 0 / + 20

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Tolerance
(mm)

Nominal length
(mm)

2000 ˂ l ≤ 10000

Tolerance
(mm)

- 0 / + 15

Nominal length
(mm)

10000 ˂ l ≤ 15000

Tolerance
(mm)

- 0 / + 20

Shape

Tolerances according to EN 10029 for plate and according to EN 10051 for sheet.

Flatness

Hot rolled sheet: ≤ 3 mm/m flatness deviation for both delivery condition and laser cut parts.

Hot rolled plate: ≤ 3 mm/m flatness deviation for both delivery condition and laser cut parts.

Surface Properties

According to EN 10163-2 Class A, Subclass 3.

Delivery Conditions

Normalized rolled.

Surface and edge condition

Hot rolled sheet: as rolled or pickled and oiled surface condition with mill edge. Cut edge is available upon request.

Hot rolled plate: as rolled surface condition and cut edges as default.

Fabrication and Other Recommendations

All SSAB Laser® products have been optimized for laser cutting, cold forming and welding.

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.

Contact Information

www.ssab.com/contact

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General Product Description

Dimension Range

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Comparison

Mechanical Properties

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Comparison

Impact Properties

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Comparison

Chemical Composition (heat analysis)

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Comparison

Tolerances

Thickness

Width

Length

Hot rolled sheet:

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Comparison

Hot rolled plate:

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Comparison

Shape

Flatness

Surface Properties

Delivery Conditions

Surface and edge condition

Fabrication and Other Recommendations

Contact Information