Product Description

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Fields of application

Round steel bars are used on a wide scale in the industry and everyday life, due to its' specific characteristics and utility. Using them as semifabricates results in numerous situation in a shortening of production times and costs (for examle in the production of screws).

Aspects

The bars must be straight without bends of the axis; the deviation from rectilinearity should not surpass 0,25-0,4 % of the bar length.

The bars must be cut without the bending of the endings and without the strain of the section. The burrs resulting from the cutting must not surpass 8 mm.

A deviation from the round form of maximum 0,3-3 mm is allowed.

Delivery conditions

Round bars are delivered in rolled state, in bars or bundles between 300-3000 kg, with lengths of 3-6m.

Diameter Ø (mm)

Weight (kg/m)

4

0.1

5

0.15

6

0.22

8

0.39

10

0.62

12

0.89

13

1.05

14

1.21

15

1.39

16

1.58

18

2

19

2.23

20

2.47

22

2.98

24

3.55

25

3.85

30

5.5

40

9.86

50

15.41

Mechanical properties

SE EN 10060

State

Thickness

Rm N/mm2

Rp 0,2

A5 (%)

Weldability

S235JR

<16

360-510

235

26

excellent

16-40

360-510

225

26

excellent

40-63

360-510

215

25

excellent

63-80

360-510

215

24

excellent

80-100

360-510

215

24

excellent

100-125

350-500

195

22

excellent

Chemical composition

Standard

State

C %

Mn %

P %

S %

N %

Cu %

CEV %

SE EN 10060

S235JR

max 20

max 1.4

max 0.04

max 0.04

max 0.012

max 0.55

max 0.38

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