SSAB Boron 22
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Hot rolled
SSAB Boron 22
Hot rolled
SSAB Boron 22
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General Product Description
SSAB Boron 22 is steel for quench- and press hardening. The degree of hardness and toughness that can be achieved after heat-treatment will provide the final products with wear- and shock resistance properties that assure longer lifetime.
Dimension Range
SSAB Boron 22 is available in thickness range 0.70-80.00 mm and widths up to 1800 mm as coils, slit coils and CTL and 3300 mm as plate. Lengths up to 16 meters as cut to length.
Mechanical Properties
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| Condition | Typical yield strength (MPa), not guaranteed |
Typical tensile strength (MPa), not guaranteed |
Typical Elongation A (%),not guaranteed | Typical Hardness (HRC), not guaranteed |
Typical hardness (HBW), not guaranteed |
|---|---|---|---|---|---|
| Cold rolled annealed | 350 | 500 | 27 | — | 165 |
| Cold rolled water quenched | — | 1580 | — | 47 | 470 |
| Cold rolled oil quenched | — | 1400 | — | 45 | 415 |
| Hot rolled | 400 | 600 | 22 | — | 170 |
| Hot rolled annealed | 350 | 530 | 25 | — | 165 |
| Hot rolled water quenched | 1080 | 1500 | 10 | 47 | 470 |
| Hot rolled oil quenched | 920 | 1170 | 11 | 44 | 407 |
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Comparison
Condition
Cold rolled annealed
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
350
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
500
Typical Elongation A (%),not guaranteed
27
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
—
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
165
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Condition
Cold rolled water quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
1580
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
47
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
470
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Condition
Cold rolled oil quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
1400
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
45
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
415
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Condition
Hot rolled
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
400
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
600
Typical Elongation A (%),not guaranteed
22
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
—
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
170
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Condition
Hot rolled annealed
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
350
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
530
Typical Elongation A (%),not guaranteed
25
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
—
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
165
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Condition
Hot rolled water quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
1080
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
1500
Typical Elongation A (%),not guaranteed
10
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
47
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
470
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Condition
Hot rolled oil quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
920
Typical tensile strength
(MPa), not guaranteed
(MPa), not guaranteed
1170
Typical Elongation A (%),not guaranteed
11
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
44
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
407
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Bending radius
Minimum bending radius of hot rolled strip products is 2 x sheet thickness. A tighter bending radius, 1 x sheet thickness, can be guaranteed for the annealed strip products.
Minimum bending radius of hot rolled SSAB Boron 22 heavy plate is 3 x plate thickness up to 16 mm thickness. For bending instructions of thicker plates, please contact SSAB’s Tech Support.
Material Testing
A test certificate according to EN 10204/3.1 (chemical composition only) is part of the delivery.
A test certificate according to EN 10204/3.1 (with mechanical test) can be provided by special agreement only.
Chemical Composition (heat analysis)
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| Condition | C (%) |
Si (%) |
Mn (%) |
S (max %) |
P (max %) |
Cr (%) |
B (%) |
|---|---|---|---|---|---|---|---|
| Cold rolled | 0.20 - 0.25 | 0.10 - 0.40 | 1.10 - 1.40 | 0.010 | 0.020 | 0.10 - 0.30 | 0.0008 - 0.0050 |
| Hot rolled strip | 0.20 - 0.25 | 0.10 - 0.30 | 1.10 - 1.30 | 0.010 | 0.020 | 0.10 - 0.40 | 0.0008 - 0.0050 |
| Hot rolled plate | 0.20 - 0.26 | 0.10 - 0.40 | 1.10 - 1.30 | 0.010 | 0.020 | 0.20 - 0.50 | 0.0008 - 0.0050 |
Compare parameters
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Comparison
Condition
Cold rolled
C
(%)
(%)
0.20 - 0.25
Si
(%)
(%)
0.10 - 0.40
Mn
(%)
(%)
1.10 - 1.40
S
(max %)
(max %)
0.010
P
(max %)
(max %)
0.020
Cr
(%)
(%)
0.10 - 0.30
B
(%)
(%)
0.0008 - 0.0050
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Condition
Hot rolled strip
C
(%)
(%)
0.20 - 0.25
Si
(%)
(%)
0.10 - 0.30
Mn
(%)
(%)
1.10 - 1.30
S
(max %)
(max %)
0.010
P
(max %)
(max %)
0.020
Cr
(%)
(%)
0.10 - 0.40
B
(%)
(%)
0.0008 - 0.0050
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Condition
Hot rolled plate
C
(%)
(%)
0.20 - 0.26
Si
(%)
(%)
0.10 - 0.40
Mn
(%)
(%)
1.10 - 1.30
S
(max %)
(max %)
0.010
P
(max %)
(max %)
0.020
Cr
(%)
(%)
0.20 - 0.50
B
(%)
(%)
0.0008 - 0.0050
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The steel is grain refined.
Carbon Equivalent CEV
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| Condition | Hot rolled strip | Hot rolled plate |
|---|---|---|
| Typical CEV (%) | 0.47 | 0.50 |
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Comparison
Condition
Typical CEV (%)
Hot rolled strip
0.47
Hot rolled plate
0.50
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Tolerances
SSAB Boron steels are delivered with SSAB Boron tolerances which meet and exceed the requirements in corresponding EN standards. Tighter tolerances are available on request.
Thickness
Cold rolled coils and sheet products: according to EN 10131. Tighter tolerances are available on request.
Hot rolled coils and sheet products: according to SSAB Boron thickness tolerances that exceed EN 10051 and correspond to 2/3 of EN 10051 as default value.
Hot rolled plate products: are delivered with tolerances that correspond to 3/4 of EN 10029 as default value.
Length and Width
Cold rolled coils and sheet products: according to EN 10131. Tighter tolerances are available on request.
Hot rolled coils and sheets with mill edges: SSAB Boron width tolerances are corresponding to -0/+20 mm.
Hot rolled coils and sheets with cut edges: SSAB Boron width tolerances are corresponding to -0/+2 mm.
Hot rolled plate products: width tolerance -0/+4-10 mm depending on the thickness. Length tolerance -0/+15-75 mm depending on length.
Shape
Hot rolled strip: According to EN 10051. Narrower tolerances are available on request.
Hot rolled plate: According to EN 10029
Flatness
Hot rolled sheets: SSAB Boron tolerances guarantee a maximum flatness deviation of 6 mm/m in addition to the EN 10051 flatness requirements. Flatness guarantees only apply for cut to length sheets.
Hot rolled plate products: Maximum flatness deviation 6 mm/m.
Surface Properties
Hot rolled strip products and hot rolled plate products: According to EN 10163-2 Class A, Subclass 3.
Delivery Conditions
Cold rolled coils and sheets are delivered in annealed condition.
Hot rolled coils and sheets are delivered in as-rolled or by separate agreement annealed condition.
Heavy plates are as-rolled.
Surface Condition
Cold rolled products are available with oiled or dry surface.
Hot rolled strip products are available in non-pickled, pickled dry or pickled & oiled condition.
Heavy plates are available in as rolled, shot-blasted or shot-blasted & primed condition.
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.
Contact Information
www.ssab.com/contact