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Cold-rolled structural steel is suitable for general use and has a guaranteed minimum strength and good weldability. |
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Applications |
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Cold-rolled structural steel is used for applications including the following:
- tubing
- domestic appliances
- steel furniture
- warehouse shelving
Shelving qualities can be used for all kind of applications, i.e.:
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Relationships with Standards |
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Cold-rolled structural steel complies with the following national standards:
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UK |
Germany |
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BS 1449, 1991 |
DIN 1623-2, 1986 |
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Grade |
Grade |
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CR 34/20 |
- |
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CR 37/23 |
St 37-2 G |
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- |
RRSt 37-3 G | |
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Mechanical Properties |
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Cold-rolled structural steel has the following mechanical properties (skin-passed) - these are measured transverse to the rolling direction:
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DIN 1623-2, 1986
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Rp min.
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Rm min.-max.
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A80 min.
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Grade
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N/mm²
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N/mm²
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%
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St 37-2 G
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215
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360-510
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20
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RRSt 37-3 G
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215
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360-510
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20
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BS 1449, 1991
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Rp min.
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Rm min.
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A80 min.
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Grade
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N/mm²
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N/mm²
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%
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CR 34/20
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200
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340
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27
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CR 37/23
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230
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370
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26
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Chemical Composition |
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Heat analysis with maximum values in weight percentages:
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DIN 1623-2, 1986
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C
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Mn
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P
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S
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Grade
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Max.
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Max.
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Max.
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Max.
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St 37-2 G
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0.17
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-
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0.040
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0.035
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RRSt 37-3 G
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0.17
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-
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0.040
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0.035
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BS 1449, 1991
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C
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Mn
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P
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S
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Grade
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Max.
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Max.
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Max.
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Max.
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CR 34/20
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0.15
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1.20
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0.050
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0.050
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CR 37/23
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0.20
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1.20
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0.050
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0.050
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Dimensions |
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Cold-rolled structural steel is available in the following dimensions in mm:
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Thickness
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Max. width
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from-up to
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CR 34/20
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St37-2G, RRSt37-3G and CR37/23
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0.37 - 0.40
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1400
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-
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0.40 - 0.45
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1650
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1370
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0.45 - 0.50
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1650
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1400
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0.50 - 0.60
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1850
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1600
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0.60 - 0.75
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2050
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1800
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0.75 - 1.10
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2050
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2040
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1.10 - 1.25
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2050
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2040
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1.25 - 1.75
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2040
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2000
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1.75 - 1.95
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2040
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2000
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1.95 - 2.05
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2000
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1920
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2.05 - 2.25
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1920
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1920
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2.25 - 2.40
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1900
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1750
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2.40 - 2.45
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1870
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1750
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2.45 - 2.65
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1870
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1600
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2.65 - 2.70
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1750
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1600
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2.70 - 2.80
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1750
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1300
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2.80 - 3.00
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1700
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1300
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3.00 - 3.10
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1550
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1250
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3.10 - 3.25
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1550
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-
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The minimum width is 750 mm. |
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