Hot Rolled Bars

S275JR

Quality S275JR
Category Structural Steels
Regulation refernece. EN 10025
Werkstoff nr. 1.0044



Description

S275JR is a very commonly used structural steel. It is general purpose steel with good weldability properties and fairly good mechanical properties; it is intended for use in all types of constructions and, in particular, in the cold manufacturing of structural elements, nuts and bolts, rivets.

 

Chemical composition S275JR (%)
C max
Mn
P
S
Si
Cu
N
< 16 mm
> 16 ≤ 40 mm
> 40 mm
max
max
max
max
max
max
0,21
0,21
0,22
1,50
0,035
0,035
-
0,55
0,012


Mechanical Properties S275JR
 
Hot rolled
(Ø of the specimen in mm)
 
≤ 3
> 3 ≤ 16
> 16 ≤ 40
> 40 ≤ 63
> 63 ≤ 80
> 80 ≤ 100
> 100 ≤ 150
> 150 ≤ 200
> 200 ≤ 250
> 250 ≤ 400
Limit Yield, Reh (MPa) min
275
275
265
255
245
235
225
215
205
-
Tensile Strength
R
m (MPa)
min
430
410
410
410
410
410
400
380
380
380
max
580
560
560
560
560
560
540
540
540
540
Elongation A (%) min
23
23
23
22
21
21
19
18
18
18
Resilience Kv +20°C (J) min
27
27
27
27
27
27
27
27
27
27
Hardness HB min
-
-
-
-
-
-
-
-
-
-
max
-
-
-
-
-
-
-
-
-
-


Table matches
Italy (UNI)
Europe (EN)
Germany (DIN)
France (AFNOR)
United Kingdom (BS)
USA (AISI/SAE)
Fe430B
S275JR
St 44.2
E28-2
43 B
A 36

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