p355gh? P355GH, P355GH chemical composition P355GH European standard container plate fixed rolling
P355GHEuropean steel plate for pressure vessel , belonging to steel plate for medium pressure boilers. P355NH yield strength is above 355MPa (less than 16 mm). Tensile strength ranges from 490 to 630MPa. The elongation after breaking is smallest A and the % is smallest 21. Other materials in the same series: P355N, P355NL1, P355NL2, and 460-level P460N, P460NH.
P355GH execution standard: EN10028
P355GH heat treatment: normalized
P355GH fixed rolling: Wuyang Steel Sun Fan
P355GH Chemical composition:
C: 0.10-0.22, Si≤0.60, Mn: 1.10-1.70, P≤0.025, S≤0.010, N≤0.012, Cr≤0.30, Cu≤0.30,
Mo≤0.08, Nb≤0.040, Ni≤0.30, Ti≤0.03, V≤0.02. ,
P355GH Technical requirements:
When there are regulations on the equipment, the following additional tests must be carried out:
1) Finished product composition analysis;
2) Tensile test at 300℃ temperature;
3) Bending test at room temperature;
4) 4) Impact test at -20℃ or -40℃ temperature.
