SSAB M53
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General Product Description
SSAB M53 is a micro-alloyed steel grade for quench- and press hardening, developed to suit several applications and segments, with agriculture as an example. Fine-grain micro-structure prevents formation of hardening cracks. The degree of hardness and toughness that can be achieved after heat-treatment will provide end products with a wear- and shock resistance ratio that ensures longer lifetime. Economical and environmental friendly alternative for carburized and triple layered materials.
Dimension Range
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| Delivery form | Thickness (mmin) |
Width (mmin) |
Max. length (mmin) |
|---|---|---|---|
| Hot rolled sheet | 4.0 - 8.0 1)0.16 - 0.31 1) | 1000 - 180039.37 - 70.87 | 13000511.81 |
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Delivery form
Hot rolled sheet
Thickness
(mmin)
(mmin)
4.0 - 8.0 1)0.16 - 0.31 1)
Width
(mmin)
(mmin)
1000 - 180039.37 - 70.87
Max. length (mmin)
13000511.81
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1) Please check thickness/width combinations available.
Mechanical Properties
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| Product type | Typical yield strength (MPa), not guaranteed |
Typical tensile strength Rm (MPa), not guaranteed | Typical Elongation A (%),not guaranteed | Typical Hardness (HRC), not guaranteed |
Typical hardness (HBW), not guaranteed |
|---|---|---|---|---|---|
| As rolled | 460 - 700 | 700 - 1000 | 14 | — | 230 |
| Polymer quenched | — | — | — | 62 | — |
| Polymer quenched & tempered (175° C) | — | — | — | 59 | — |
| Polymer quenched & tempered (425° C) | 1400 | 1500 | 8.5 | 47 | 451 |
| Polymer quenched & tempered (550° C) | 1180 | 1270 | 11.5 | 42 | 388 |
| Oil quenched | — | — | — | 60 | — |
| Oil quenched and tempered (175° C) | — | — | — | 59 | — |
| Oil quenched and tempered (425° C) | 1440 | 1550 | 8.5 | 48 | 461 |
| Oil quenched and tempered (550° C) | 1210 | 1290 | 11.5 | 43 | 402 |
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Comparison
Product type
As rolled
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
460 - 700
Typical tensile strength Rm (MPa), not guaranteed
700 - 1000
Typical Elongation A (%),not guaranteed
14
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
—
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
230
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Product type
Polymer quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength Rm (MPa), not guaranteed
—
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
62
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
—
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Product type
Polymer quenched & tempered (175° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength Rm (MPa), not guaranteed
—
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
59
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
—
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Product type
Polymer quenched & tempered (425° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
1400
Typical tensile strength Rm (MPa), not guaranteed
1500
Typical Elongation A (%),not guaranteed
8.5
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
47
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
451
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Product type
Polymer quenched & tempered (550° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
1180
Typical tensile strength Rm (MPa), not guaranteed
1270
Typical Elongation A (%),not guaranteed
11.5
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
42
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
388
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Product type
Oil quenched
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength Rm (MPa), not guaranteed
—
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
60
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
—
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Product type
Oil quenched and tempered (175° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
—
Typical tensile strength Rm (MPa), not guaranteed
—
Typical Elongation A (%),not guaranteed
—
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
59
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
—
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Product type
Oil quenched and tempered (425° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
1440
Typical tensile strength Rm (MPa), not guaranteed
1550
Typical Elongation A (%),not guaranteed
8.5
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
48
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
461
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Product type
Oil quenched and tempered (550° C)
Typical yield strength
(MPa), not guaranteed
(MPa), not guaranteed
1210
Typical tensile strength Rm (MPa), not guaranteed
1290
Typical Elongation A (%),not guaranteed
11.5
Typical Hardness
(HRC), not guaranteed
(HRC), not guaranteed
43
Typical hardness
(HBW), not guaranteed
(HBW), not guaranteed
402
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Examples of cooling media used for evaluating typical mechanical properties:
PAG polymer 10%, no agitation, T ≤ 30 °C.
Fast cooling rate quenching oil, T ≤ 35 °C.
Bending radius
For further information, please consult your local SSAB contact person or contact SSAB´s Technical Customer Service.
Material Testing
A material test certificate Type 2.2 according to EN 10204 (chemical composition) is part of the delivery.
A material test certificate according Type 3.1 according to EN 10204 (mechanical properties) can be provided by special agreement.
Impact Properties (typical values)
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| Product condition | Longitudinal test, typical impact energy, Charpy V 10x10 mm test specimen 1) |
|---|---|
| As rolled | — |
| Polymer quenched | 9 J / 20.0 °C |
| Polymer quenched & tempered (175° C) | 18 J / 20.0 °C |
| Polymer quenched & tempered (425° C) | 26 J / 20.0 °C |
| Polymer quenched & tempered (550° C) | 41 J / 20.0 °C |
| Oil quenched | 9 J / 20.0 °C |
| Oil quenched and tempered (175° C) | 18 J / 20.0 °C |
| Oil quenched and tempered (425° C) | 24 J / 20.0 °C |
| Oil quenched and tempered (550° C) | 40 J / 20.0 °C |
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Comparison
Product condition
As rolled
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
—
Product condition
Polymer quenched
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
9 J / 20.0 °C
Product condition
Polymer quenched & tempered (175° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
18 J / 20.0 °C
Product condition
Polymer quenched & tempered (425° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
26 J / 20.0 °C
Product condition
Polymer quenched & tempered (550° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
41 J / 20.0 °C
Product condition
Oil quenched
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
9 J / 20.0 °C
Product condition
Oil quenched and tempered (175° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
18 J / 20.0 °C
Product condition
Oil quenched and tempered (425° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
24 J / 20.0 °C
Product condition
Oil quenched and tempered (550° C)
Longitudinal test, typical impact energy,
Charpy V 10x10 mm test specimen 1)
Charpy V 10x10 mm test specimen 1)
40 J / 20.0 °C
1) For thicknesses between 6 - 11.9 mm, sub-size Charpy V-specimens are used. The specified typical value is then proportrional to the cross-sectional area of the specimen compared to a full-size specimen (10 x 10 mm).
Chemical Composition (ladle analysis)
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| Delivery form | C (%) |
Si (%) |
Mn (%) |
S (max %) |
P (max %) |
Cr (max %) |
|---|---|---|---|---|---|---|
| Hot rolled strip | 0.49 - 0.57 | 0.10 - 0.35 | 0.15 - 0.50 | 0.010 | 0.020 | 0.60 |
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Comparison
Delivery form
Hot rolled strip
C
(%)
(%)
0.49 - 0.57
Si
(%)
(%)
0.10 - 0.35
Mn
(%)
(%)
0.15 - 0.50
S
(max %)
(max %)
0.010
P
(max %)
(max %)
0.020
Cr
(max %)
(max %)
0.60
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SSAB M53 is micro-alloyed with Nb, Ti and V.
Carbon Equivalent CET(CEV)
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| Delivery form | Hot rolled strip |
|---|---|
| Typical CET (%) | 0.61 |
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Delivery form
Typical CET (%)
Hot rolled strip
0.61
Tolerances
SSAB M53 is delivered with SSAB tolerances, which meet and exceed the requirements in EN 10051. Tighter tolerances are available upon request
Thickness
2/3 of EN 10051.
Width
Hot rolled sheet: -0/+20mm.
Length
-0/+20mm (only available for cut to length sheets).
Shape
Tolerances according to EN 10051.
Flatness
≤ 6 mm/1 m ruler deviation (only valid for cut to length sheets).
Surface Properties
According to EN 10163-2 Class A, Subclass 3.
Delivery Conditions
Hot rolled sheet are delivered in as rolled (+AR) condition.
Surface Condition
Hot rolled strip products are available in non-pickled.
Pickled dry or pickled & oiled condition available upon request.
Fabrication and Other Recommendations
Cutting is recommended by laser or plasma, flame cutting is not advised.
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