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Българска версия

Hot-Rolled Rounds
Description
Technical Characteristics
Brochures
Sales Network
Technical Characteristics
GENERAL FEATURES
TYPE
Hot-Rolled Bars of circular cross-section (Rounds)
STEEL GRADE
RSt 37-2 according to DIN 17100 (S235JR according to EN10025)
RSt 44-2 according to DIN 17100 (S275JR according to EN10025)
C22, C25, C30, C35, C45, C60 according to DIN17200
Ck15 according to DIN17210, 55ΧΓ according to ЬДC 2798-84
FORM-DIMENSIONS
Straight bars with diameters from Φ40 to Φ120 mm
LENGTH - TOLERANCESBar length: 6 m with +/- 100 mm tolerance
PACKING - WEIGHTBundles. Weight up to 5,200 Kg per bundle
DIMENSIONS, WEIGHT & TOLERANCESAccording to DIN 1013

Steel Chemical Composition & Mechanical Properties
Steel Grade
Chemical Composition
Mechanical Properties
C (%) max
P (%) max
S (%) max
Yield Strength
(N/mm2) min
Tensile Strength
(N/mm2)
Elongation 5d0,
(%) min
RSt 37-2
0.20
0.045
0.045
225
340-470
22
RSt 44-2
0.21
0.045
0.045
235
410-560
18

Dimensions, Weight & Tolerances of Rounds
Diameter d (mm)
Permissible Diameter
Deviation (mm)
Nominal Cross-Section (cm2)
Nominal Weight (kg/m)
Nominal Surface Area (cm2)/m)
Permissible
 Out-of-Roundness (mm)
40
± 0.8
12.60
9.86
1,260
1.28
42
± 0.8
13.85
10.90
1,320
1.28
45
± 0.8
15.90
12.50
1,410
1.28
50
± 0.8
19.60
15.40
1,570
1.28
55
± 1.0
23.80
18.70
1,730
1.60
60
± 1.0
28.30
22.20
1,880
1.60
65
± 1.0
33.20
26.00
2,040
1.60
70
± 1.0
38.50
30.20
2,200
1.60
75
± 1.0
44.20
34.70
2,360
1.60
80
± 1.0
50.30
39.50
2,510
1.60
85
± 1.3
56.70
44.50
2,670
2.08
90
± 1.3
63.60
49.90
2,830
2.08
95
± 1.3
70.90
55.60
2,980
2.08
100
± 1.3
78.50
61.70
3,140
2.08
110
± 1.5
95.00
74.60
3,460
2.40
120
± 1.5
113.00
88.80
3,770
2.40


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