Steels for pressure vessels as per EN 10028-2

Standards
EuropeMaterial no.DFIGBEUSAJ
EN 10028-2 DIN 17155NFA 36-205, 36 - 206UNI 5869BS 1501UNE 36087ASTMJIS G 3115
P235GH1.0345HIA 37 CPFE 360 1KW161 Gr. 360A 37 RCIA 285 Gr. C-ASPV 24
     164 Gr. 360 414 Gr. C 
       A 516 Gr. 55 
P265GH1.0425HIIA 42 CPFe 410 - 1KW161 Gr. 400A 42 RCIA 414 Gr. E-
     164 Gr. 400 A 516 Gr. 60 
     224 Gr. 400   
P295GH1.048117 Mn 4A 48 CPFe 460 - 1KW224 Gr. 490A 47 RCIA 414 Gr. FSPV 32
       A 516 Gr. 65 
P355GH1.047319Mn 6A 52 CPFe 510 - 1KW-A 52 RCIA414 Gr. GSPV 36
Feasibility range
GradeThicknessLarghezza
 min.max.max.
P235GH1.56.01575
P265GH1.510.751575
P295GH2.07.01575
P355GH2.08.01575


1) For thicknesses up to 2.5 mm maximum width is 1520 mm
2) Feasibility on the specific combination of thickness and width must be verified in the order phase

Chemical composition
GradeCSiMnPSNAltotalCrNiMoTiVNb
  max. max.max.max.min. max. max.max.max.
P235GHmax. 0.160.350.603) - 1.200.0250.010.0124)0.02max. 0.300.3max. 0.080.030.020.02
P265GHmax. 0.200.40.803) - 1.400.0250.010.0124)0.02max. 0.300.3max. 0.080.030.020.02
P295GH0.08 - 0.200.40.903) - 1.500.0250.010.0124)0.02max. 0.300.3max. 0.080.030.020.02
P355GH0.10 - 0.220.61.10 - 1.700.0250.010.0123)0.02max. 0.300.3max. 0.080.030.020.02
Mechanical properties
GradeYield point min.Tensile strengthElongation min
 MPa MPa%
 s ≤ 16s > 16  
P235GH235225360 - 48024
P265GH265255410 - 53022
P295GH295290460 - 58021
P355GH355345510 - 65020

1) s = nominal thickness in mm

Minimum yield point at elevated temperature
GradeYield point at elevated temperature Rp0,2 in MPa at a the test temperature °C of1)
 50100150200250
 s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16
P235GH227218214205198190182174167160
P265GH256247241232223215105197188181
P295GH285280268264249244228225209206
P355GH343334323314299291275267252245
 300350400450500
 s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16s ≤ 16s > 16
P235GH153147142136133128----
P265GH173166160154150145----
P295GH192189178175167165----
P355GH232225214208202196----


1) s = nominal thickness in mm

Notch impact energy
GradeMinimum value of notch impact energy in J at a test temperature in °C of
 20±0-20
P235GH 4034 27
P265GH 4034 27
P295GH 4034 27
P355GH 4034 27