Thickness, Flatness, Bending

Hardox® thickness guarantee

Hardox® thickness guarantee - plate

Thickness tolerances are according to SSAB´s thickness guarantee and are closer than those specified in EN 10029 (Class A), except for thicknesses exceeding 80 mm, for which the tolerance range is according to standard. The thickness shall be measured at any point situated more than 25 mm from the transverse or longitudinal edges of the plate.

Nominal thickness (mm)	Thickness tolerances (mm)
Nominal thickness (mm)	Min	Max	Within plate
3.2 ≤ t < 5.0	-0.3	+0.3	0.4
5.0 ≤ t < 8.0	-0.3	+0.4	0.5
8.0 ≤ t < 15.0	-0.5	+0.4	0.6
15.0 ≤ t < 25.0	-0.6	+0.4	0.6
25.0 ≤ t < 40.0	-0.7	+0.8	0.7
40.0 ≤ t < 80.0	-0.9	+1.4	1.2
80.0 ≤ t ≤ 160.0	-1.1	+2.1	1.5

Other tolerances can be supplied upon special agreement.
Please contact your local sales representative for more information.

Hardox® thickness guarantee - hot rolled cut-to-length sheet

Thickness tolerances are according to SSAB´s thickness guarantee and are closer than those specified in EN 10051 for cut-to-length sheets. All values in the table conform to 1/2 EN Category D. The thickness shall be measured at any point situated more than 40 mm from the edges for product with mill edge and a minimum of 25 mm for product with trimmed edges.

Nominal thickness (mm)	Thickness tolerances for a nominal width w (mm)
Nominal thickness (mm)	w ≤ 1200	1200 < w ≤ 1500	1500 < w ≤ 1800
t ≤ 2.00	± 0.12	± 0.13	± 0.14
2.00 < t ≤ 2.50	± 0.12	± 0.14	± 0.16
2.50 < t ≤ 3.00	± 0.14	± 0.15	± 0.17
3.00 < t ≤ 4.00	± 0.15	± 0.17	± 0.18
4.00 < t ≤ 5.00	± 0.17	± 0.18	± 0.19
5.00 < t ≤ 6.00	± 0.18	± 0.19	± 0.20
6.00 < t ≤ 8.00	± 0.20	± 0.21	± 0.21

Other tolerances can be supplied upon special agreement.
Please contact your local sales representative for more information.

Hardox® thickness guarantee - cold rolled cut-to-length sheet

Thickness tolerances are according to SSAB´s thickness guarantee, which corresponds to 3/4 EN 10131 normal tolerances for cold rolled cut-to-length sheets. The thickness shall be measured at any point located more than 40 mm from the edges.

Nominal thickness (mm)	Thickness tolerances for a nominal width w (mm)
Nominal thickness (mm)	w ≤ 1200	1200 < w ≤ 1500
t ≤ 0.80	± 0.04	± 0.06
0.80 < t ≤ 1.00	± 0.06	± 0.07
1.00 < t ≤ 1.20	± 0.07	± 0.08
1.20 < t ≤ 1.60	± 0.09	± 0.10
1.60 < t ≤ 2.00	± 0.12	± 0.12
2.00 < t ≤ 2.10	± 0.14	± 0.16

Other tolerances can be supplied upon special agreement.
Please contact your local sales representative for more information.

Hardox® length and width guarantee

Hardox® length and width guarantee - plate

Length and width tolerances are according to those specified in EN 10029. According to EN 10029, the length of the plate is the length of the shorter of both longitudinal edges. The width shall be measured perpendicular to the major axis of the plate.

Nominal length (mm)	Length tolerances (mm)
Nominal length (mm)	Min	Max
l < 4000	0	+ 20
4000 ≤ l < 6000	0	+ 30
6000 ≤ l < 8000	0	+ 40
8000 ≤ l < 10000	0	+ 50
10000 ≤ l < 15000	0	+ 75
15000 ≤ l ≤ 18000	0	+ 100

Nominal thickness (mm)	Width tolerances (mm)
Nominal thickness (mm)	Min	Max
t < 40	0	+ 20
40 ≤ t < 150	0	+ 25
150 ≤ t ≤ 160	0	+ 30

Mill edge tolerances upon request.
Please contact your local sales representative for more information.

Hardox® length and width guarantee – hot- and cold-rolled cut-to-length sheet

The length and width tolerances for Hardox® hot-rolled sheets exceed the tolerances given in EN 10051. The length and width tolerances for Hardox® cold-rolled sheets are according to the normal tolerances in EN 10131. The length of the sheet is the length of the shorter of both longitudinal edges. The width shall be measured at a right angles to the longitudinal axis of the product.

Length and width of hot-rolled sheet

Nominal length (mm)	Length tolerances (mm)
Nominal length (mm)	Lower	Upper
0 - 4000	0	3
4001 - 6000	0	4
6001 - 8000	0	5
8001 - 13000	0	6
13001 - 16000	0	8

Nominal width (mm)	Width tolerances (mm)
	Mill edge		Trimmed edges
	Lower	Upper	Lower	Upper
< 2200	0	+ 20	0	+ 2

Length and width of cold-rolled sheet

Nominal length (mm)	Length tolerances (mm)
Nominal length (mm)	Under	Over
l < 2000	0	+ 6
l ≥ 2000	0	0.3 % of the length

Nominal width (mm)	Width tolerances (mm)
Nominal width (mm)	Under	Over
w ≤ 1200	0	+ 4
1200 < w ≤ 1500	0	+ 5
w > 1500	0	+ 6

Hardox® flatness guarantee

SSAB has four classes of flatness tolerances for Hardox^®, depending on type of product and hardness. All classes conform to or exceed the specifications in the relevant standards.

Class	Product	Nominal thickness (mm)	Flatness (mm/1 m ruler) steel flatness
A	Hardox^® 400 sheet Hardox^® 400 sheet Hardox^® 450 sheet Hardox^® 500 sheet Hardox^® HiAce sheet	2.0 ≤ t ≤ 8.0	3
A	Hardox^® 500 Tuf sheet	2.5 ≤ t ≤ 8.0	3
B	Hardox^® 500 Tuf sheet	2.0 ≤ t < 2.5	6
B	Hardox^® 450 CR sheet Hardox^® 600 sheet	0.8 ≤ t ≤ 6.0	6
C	Hardox^® 400 plate Hardox^® 450 plate Hardox^® 500 plate Hardox^® 500 Tuf plate Hardox^® HiTemp plate Hardox^® HiAce plate Hardox^® HiTuf plate	3.2 ≤ t < 4.0	15
		4.0 ≤ t < 5.0	7
		5.0 ≤ t < 6.0	5
		6.0 ≤ t < 20.0	4
		20.0 ≤ t ≤ 130.0	3
		130.0 < t ≤ 160.0	4
D	Hardox^® 550 plate Hardox^® 600 plate Hardox^® Extreme plate	4.0 ≤ t ≤ 5.0	12
		5.0 < t < 25.0	10
		25.0 ≤ t < 40.0	9
		40.0 ≤ t ≤ 65.0	8

Class A is closer than EN 10051.
Class B is closer than EN 10051 and EN 10131 special tolerances.
Class C is closer than EN 10029 steel type L (Class N), except for thicknesses < 4.0 mm.
Class D is according to EN 10029 steel type H.

Short waves (300-1000 mm) according to EN 10029.
In the case of discrepancies, the given class in the EN English version shall prevail.

Hardox® bending guarantee

SSAB has six bending guarantee classes for plate and cut-to-length sheets according to the table below. The bending guarantees for Hardox^® wear plate and sheets are based on a dies with rolls and normal friction (no lubrication). These bend guarantees are based on bend tests of one step to 90° after unloading.

The bending guarantees conform to and exceed the requirements in EN ISO 7438.

Class	Product	Nominal thickness (mm)	Transverse to rolling direction minimum Rp/t steel flatness	Along rolling direction minimum Rp/t	Die opening width (W) minimum W/t
A	Hardox^® 400 sheet Hardox^® 450 sheet Hardox^® HiAce sheet Hardox^® 500 Tuf sheet	2 ≤ t < 4	3.0	4.0	12
A		4 ≤ t ≤ 8	3.0	3.5	12
B	Hardox^® 450 CR sheet	0.8 ≤ t < 2.1	4.0	4.0	12
C	Hardox^® 500 sheet	2 ≤ t ≤ 7.0	3.5	4.0	12
D	Hardox^® 400 plate	t < 8	2.5	3.0	12
		8 ≤ t < 20	3.0	4.0	14
		20 ≤ t < 50	4.0	5.0	16
E	Hardox^® 450 plate Hardox^® 500Tuf plate Hardox^® HiTemp plate Hardox^® HiAce plate	3.2 ≤ t < 4.0	3.0	3.5	12
		4.0 ≤ t < 5.0	3.5	4.5	14
		5.0 ≤ t < 6.0	4.5	5.0	16
F	Hardox^® 500 plate	t < 8	3.5	4.5	12
		8 ≤ t < 15	4.0	4.5	14
		15 ≤ t < 20	4.5	5.0	14
		t ≥ 20	5.5	6.0	16

Rp/t stands for punch radius (Rp) divided by thickness (t). Die opening widths are guidelines and may vary somewhat without affecting bending results.

The guaranteed values for bending are valid under conditions given in the brochure Bending of Hardox^® wear plate. In the case of discrepancies, the given class in the EN English version.