Comparison of EN10025 & BS4360

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BS EN 10025: 1993 BS4360: 1986
          Impact Energy (J°C)         Impact Energy (J°C)
          Nominal Thickness         Nominal Thickness
Grade Former Grade Tensile Strength Min Yield Strength at 16mm N/mm² Max Thk for Specified Yield N/mm² Temp °C <150mm
(1) 		>150mm
<250mm
( 1) 		Grade Tensile Strength >3mm
N/mm² 		Min Yield Strength at 16mm
N/mm² 		Max Thk for Specified Yield N/mm² (2) Temp °C <100mm
( 3)
S185 (4) Fe 310-0 (4) 290/510 185 25 - - - - - - - - -
S235 (5) Fe 360A (5) 340/470 235 250 - - - 40A 340/500 235 150 - -
S235JR (4) Fe 360B (4) 340/470 235 25 +20 27 - - - - - - -
S235JRG1 (4) Fe 360B(FU) (4) 340/470 235 25 +20 (6) 27 - - - - - - -
S235JRG2 Fe 360B(FN) 340/470 235 250 +20 (6) 27 23 40B 340/500 235 150 +20 (6) 27
S235JO Fe 360C 340/470 235 250 0 27 23 40C 340/500 235 150 0 27
S235J2G3 Fe 360D1 340/470 235 250 -20 27 23 40D 340/500 235 150 -20 27
S235J2G4 Fe 360D2 340/470 235 250 -20 27 23 40D 340/500 235 150 -20 27
S275 (5) Fe 430A (5) 410/560 275 250 - - - 43A 430/580 275 150 - -
S275JR Fe 430B 410/560 275 250 +20 (6) 27 23 43B 430/580 275 150 +20 (6) 27
S275JO Fe 430C 410/560 275 250 0 27 23 43C 430/580 275 150 0 27
S275J2G3 Fe 430D1 410/560 275 250 -20 27 23 43D 430/580 275 150 -20 27
S275J2G4 Fe 430D2 410/560 275 250 -20 27 23 43D 430/580 275 150 -20 27
S355 (5) Fe 510A 490/630 355 250 - - - 50A 490/640 355 150 - -
S355JR Fe 510B 490/630 355 250 +20 (6) 27 23 50B 490/640 355 150 +20 (6) 27
S355JO Fe 510C 490/630 355 250 0 27 23 50C 490/640 355 150 0 27
S355J2G3 Fe 510D1 490/630 355 250 -20 27 23 50D 490/640 355 150 -20 27
S355J2G4 Fe 510D2 490/630 355 250 -20 27 23 50D 490/640 355 150 -20 27
S355K2G3 Fe 510DD1 490/630 355 250 -20 40 33 50DD 490/640 355 150 -30 27
S355K2G4 Fe 510DD2 490/630 355 250 -20 40 33 50DD 490/640 355 150 -30 27
E295 Fe 490-2 470/610 295 250 - - - - - - - - -
E335 Fe 590-2 570/710 335 250 - - - - - - - - -
E360 Fe 690-2 670/830 350 250 - - - - - - - - -
(1) For sections up to and including 100mm only
(2) For wide flats and Sections up to and including 63mm and 100mm respectively
(3) For wide flats up to and including 50mm and for sections no limit is stated
(4) Only available up to and including 25mm thicj
(5) The Steel grades S235 (Fe 360A), S275 (Fe 430A), and S355 (Fe 510A) appear only in the English language version (BS EN 10025) as non conflicting additions and do not appear in European versions
(6) Verification of the specified impact value is only carried out when agreed at time of enquiry and order

UK & International Equivalent Grades

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Designation Equivalent Former Designations in  
EN 10025: 1993
Designation 		According
EN 10025:1990		 Germany
Din 17100 		France
NFA 35501		 UK
BS4360 		Spain Italy Belgium Sweden Portugal Austria Norway
NS12101 		USA
ASTM		 USA
API 		Japan
JIS G3101/6
Steel Name Steel Number  
S185 1.0035 Fe 310-0 St 33 A33   A3 10-0 Fe 320 A320 13 00-00 Fe 310-00 St 320        
S235JR 1.0037 Fe 360B St 37-2 E24-2     Fe 360B AE 235-B 13 11-00 Fe 360-B   NS 12 120 A283 GrC    
S235JRG1 1.0036 Fe 360BFU U St 37-2     AE 235 B-FU         U St 360 B NS 12 122 A283 GrD   SM41A
S235JRG2 1.0038 Fe 360 BFN R St 37-2   40B AE 235 B-FN     13 12-00   R St 360 B Ns 12 123     SM41B
S235JO 1.0014 Fe 360c St 37-3U E 24-3 40C AE 235 D Fe 360C Ae 235-C   Fe 360-C St 360 C St 430 B      
                      St 360CE NS 12 142      
S235J2G3 1.0116 S Fe 360 D1 St 37-3N E 24-4 40D   Fe 360D AE 236-D   Fe 360-D St 360D NS 12 124      
S234J2G4 1.0117 Fe 360 D2                          
S275JR 1.0044 Fe 430B ST 44-2 E 28-2 43B AE 275 B Fe 430 B AE 255-B 14 12-00 Fe 430 B ST 430 B NS 12-142 A573 Gr65   SS400
S275JO 1.0143 Fe 430C ST 44-3U E 28-3 43C AE 275 C Fe430 C AE 255-C   Fe 430 C St 430 C NS 12-143      
                      ST 430 CE        
S275J2G3 1.0144 Fe 430D1 ST 430 D1 E 28-4 43D AE 275 D Fe 430 D AE 255-D 14 14-00 Fe 430 D ST 430 D NS 12-143 A633 Gr42 2H GR42  
S275J2G4 1.0145 Fe430D2             14 14-01            
S355JR 1.0045 Fe 510 B   E 36-2 50B AE 355B Fe 310B AE 355B   Fe 510-B     A572Gr50   SS490
S355JO 1.0553 Fe 510 C ST 52-3U E 36-3 50C AE 355C Fe 310C AE 355C   Fe 510C St 510C NS 12 153 A709Gr50 2H Gr 50  
S355J2G3 1.0570 Fe 510 D1 ST 52-3N   50D AE 355D Fe 310D AE 355D   Fe 510-D St 510D NS 12 153 A578 Gr50 2W/YGr50  
S355J2G4 1.0577 Fe 510 D2                          
S355K2G3 1.0595 Fe 510 DD1   E36-4 50DD     AE355DD   Fe 510DD     A533GrD    
S355K2G4 1.0596 Fe 510 DD2     50DD                    
E 295 1.0050 Fe 490-2 ST 50-2 A 50-2   A 490 Fe 480 A 490-2 15 50-00 Fe 490-2 St490        
                  15 50-01            
E355 Fe 590-2 St 590-2 St 60-2 A 60-2   A590 Fe 580 A590-2 16 50-00 Fe 590-2 St 590        
                  16 50-01            
E360 1.0070 Fe 690-2 St 70-2 A 70-2   A690 Fe 650 A690-2 16 55-00 Fe 690-2 St 590        
                  16 55-01            

Boiler and Pressure Vessel - Comparisons and Equivalents

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Equivilant Specifications & Standards Mechanical Values Chemical Composition Maximum (unless stated)
BS EN ASTM/ASME DIN Tensile N/mm² Yield / min
N/mm² 		C Si Mn P S Al Cr Cu Ni Mo Nb Ti V
161-360A P235GH A 285 GR C H 1 360/480 235 0.16 0.35 0.40/1.20 0.030 0.025 0.020 0.30 0.30 0.30 0.08 0.01 0.03 0.02
161-430A P265GH A 516 - 60 H 11 410/530 265 0.20 0.40 0.50/1.40 0.030 0.025 0.020 0.30 0.30 0.30 0.08 0.01 0.03 0.02
224-400A/B P275N/NH - - 390/510 275 0.18 0.40 0.50/1.40 0.030 0.025 0.020 0.30 0.30 0.50 0.08 0.05 0.03 0.05
224-460A/B P295GH A 516 - 65 17 MN 4 460/580 295 0.08/0.20 0.40 0.90/1.50 0.030 0.025 0.020 0.30 0.30 0.30 0.08 0.01 0.03 0.02
224-490A/B P355GH A 516 - 70 - 510/650 355 0.10/0.22 0.60 1.00/1.70 0.030 0.025 0.020 0.30 0.30 0.30 0.08 0.01 0.03 0.02
225-490A/B P355N/NH - 19 MN 6 490/630 355 0.20 0.50 0.90/1.70 0.030 0.025 0.020 0.30 0.30 0.50 0.08 0.05 0.03 0.10
243 16 M03 A 204 GR A 15 MO 3 440/590 275 0.12/0.20 0.35 0.40/0.90 0.030 0.025 - 0.30 0.30 0.30 0.25/0.35 - - -
620 B 13CRM045 A 387-12-2 13CRM044 450/600 300 0.08/0.18 0.35 0.40/1.00 0.030 0.025 - 0.70/1.15 0.30 - 0.40/0.60 - - -
621 B - A 387-11-2 - 515/690 340 0.09/0.17 0.50/0.80 0.40/0.65 0.025 0.015 0.020 1.00/1.50 0.30 0.30 0.45/0.60 - - -
622-51B 10/11CRM0910 A387-22-2 10CRM0910 520/630 310 0.08/0.14 0.50 0.40/0.80 0.030 0.025 - 2.00/2.50 0.30 - 0.90/1.10 - - -
Please note the above chart is for guidance only for exact specifications please check with our sales team.

Flatness Tolerances for plates

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Dimensions in mm
  Steel type L Steel type H
Nominal Thickness Measuring Length
  1000 2000 1000 2000
> 3 < 5 9 14 12 17
> 5 < 8 8 12 11 15
> 8 < 15 7 11 10 14
> 15 < 25 7 10 10 13
> 25 < 40 6 9 9 12
> 40 < 250 5 8 8 11
Pressure Vessel, Boiler Structural, High Yield and CrMo plate meet steel type L with a specified yield of < 460 N/mm².
Quenched and Tempered plate meet steel type H and has a specified yield of > 460 < 700 N/mm².

Tolerances on thickness

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Dimensions in mm
Nominal Thickness Tolerance on the nominal thickness Maximum thickness difference within a plate
  Class A Class B Class C Class D Nominal plate width
  Lower Upper Lower Upper Lower Upper Lower Upper >600
<2000 		>2000
<2500 		>2500
<3000 		>3000
<3500 		>3500
<4000 		>4000
> 3 < 5 -0,4 +0,8 -0,3 +0,9 -0 +1,2 -0,6 +0,6 0,8 0,9 0,9 - - -
> 5 < 8 -0,4 +1,1 -0,3 +1,2 -0 +1,5 -0,75 +0,75 0,9 0,9 1,0 1,0 - -
> 8 < 15 -0,5 +1,2 -0,3 +1,4 -0 +1,7 -0,85 +0,85 0,9 1,0 1,0 1,1 1,1 1,2
> 15 < 25 -0,6 +1,3 -0,3 +1,6 -0 +1,9 -0,95 +0,95 1,0 1,1 1,2 1,2 1,3 1,4
> 25 < 40 -0,8 +1,4 -0,3 +1,9 -0 +2,2 -1,1 +1,1 1,1 1,2 1,2 1,3 1,3 1,4
> 40 < 80 -1,0 +1,8 -0,3 +2,5 -0 +2,8 -1,4 +1,4 1,2 1,3 1,4 1,4 1,5 1,6
> 80 < 150 -1,0 +2,2 -0,3 +2,9 -0 +3.2 -1,6 +1,6 1,3 1,4 1,5 1,5 1,6 1,7
> 150 < 250 -1,2 +2,4 -0,3 +3,3 -0 +3,6 -1,8 +1,8 1,4 1,5 1,6 1,6 1,7 -
Bolier, Pressure Vessel and Chrome Molybdenum are to Class C
Structural and offshore is to Class A