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P275NH welding neck flanges EN 10028-3 wn flanges 1.0487 forged wn steel flanges

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P275NH welding neck flanges EN 10028-3 wn flanges 1.0487 forged wn steel flanges

Material : P275NH

Standard : EN1092-1 Type 01

Steel number : 1.0487

Type : wn steel flanges

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Grade : P275NH
Number: 1.0487
Classification: Non-alloy elevated temperature quality steel
Density: 7.85 g/cm ³
Standard:
EN 10028-3: 2009 Flat products made of steels for pressure purposes. Weldable fine grain steels, normalized
EN 10273: 2007 Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

Chemical composition % of steel P275NH (1.0487): EN 10028-3-2009
C Si Mn Ni P S Cr Mo V N Nb Ti Al Cu -
max 0.16 max 0.4 0.8 - 1.5 max 0.5 max 0.025 max 0.015 max 0.3 max 0.08 max 0.05 max 0.012 max 0.05 max 0.03 max 0.02 max 0.3 Nb+Ti+V < 0.05


Mechanical properties of steel P275NH (1.0487)
Nominal thickness (mm): to 60 60 - 100 100 - 150 150 - 250
Rm - Tensile strength (MPa) (+N) 390-510 370-490 360-480 350-470
Nominal thickness (mm): to 16 16 - 40 40 - 60 60 - 100 100 - 150 150 - 250
ReH - Minimum yield strength (MPa) (+N) 275 265 255 235 225 215
KV - Impact energy (J) transverse, (+N) -20°
30		 0°
40		 +20°
50
KV - Impact energy (J) longitud., (+N) -20°
40-45		 0°
47-65		 +20°
55-75
Nominal thickness (mm): to 60 60 - 250
A - Min. elongation at fracture (%) (+N) 24 23


Equivalent grades of steel P275NH (1.0487)
Warning! Only for reference
EU
EN		 USA
-		 Germany
DIN,WNr		 England
BS
P275NH
A516Gr.60
WStE285
224Gr.430

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