Table 23(a) Structural steels: comparison between grades in BS EN 10025: 1993 and BS 4360: 1986
BS EN 10025: 1993 BS 43M): 1986Gmde Former Tensile Mia Max. Thk imp^ Emw (J'C) Grodr Tknsik Min MarThk ImpactEnergy
strength yield for strength yield fO! (J'C)
23 mm strength specified Nominal thickness 5100 mm strength specified
grade
- c100 mm a16 mm yield N1m2 of 16 mm yield Nominal thickness
Nlmm2 Nlm2 N/m2 Temp. 5150 mm >150 mm NEmm2 Nlmm2
'C (1) 5250 mm (2) Temp 5100 mm
(1) 'C (3)
S185
S235
S235JR
S235JRG1
S235JRG2
S235JO
S235J2G3
S235J2G4
S275
S275JR
S275JO
S275J2G3
S275J2G4
s355
s355JR
S355JO
S355J2G3
S355J2G4
S355K2G3
S355K2G4
(4) Fe 310-0 (4)
(5) Fe 360A (5)
(4) Fe 360B (4)
(4) Fe 360B(FU)(4)
Fe 360B(FN)
Fe 36oc
Fe 360DI
Fe 360D2
(5) Fe 430A (5)
Fe 430B
Fe 43OC
Fe 430D1
Fe 430D2
(5) Fe 510A (5)
Fe 510B
Fe 51W
Fe 510D1
Fe 510D2
Fe 510DD1
Fe 510DD22W510
340/470
W470
340/470
W470
W470
340/470
W470
41W560
4101560
4101560
41W560
4101560
4W630
4901630
4W630
4901630
4901630
490/630
4W630185 25
235 250
235 25
235 25
235 250
235 250
235 250
235 250
275 250
275 250
275 250
275 250
275 250
355 250
355 250
355 250
355 250
355 250
355 250
355 250
+20
+20 (6)
+20 (6)
0
-20
-20
+20 (6)
0
-20
-20+20 (6)
0
-20
-20
-20
-20
27
27
27
27
27
27
27
27
27
2727
27
27
27
40
40
23
23
23
23
23
23
23
2323
23
23
23
33
33
- 40A
40B
4oc
4OD
4OD
43A
43B
43c
43D
43D
50A
50B
5W
50D
50D
50DD
50DD
340-500
W500
34w500
34w500
w500
43W580
43W580
43w580
43w580
43W580
4W640
4W640
4W640
4W640
4W64a
4901640
4WW
235
235
235
235
235
275
275
275
275
355
355
355
355
355
355
355275- 150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
150
- +20 (6) 27
0 27
-20 27
-20 27
- +20 (6) 27
+20 (6) 27
0 27
-20 27
-20 27+20 (6) 27
0 21
-20 27
-20 27
-30 27
-30 27