Under TUV certificate approved,XINSTEEL engineers offer high quality P275NL1,P275NL1 steel plate,P275NL1 steel sheet in China.For the thickness above 200mm boiler steel plate p275nl1,xinsteel as the solo supplier in China steel market in advantage our highest technical teams.Normalized heat treatment and low temperature impacting test under minus 40 centi degree have to be done for these pressure vessel steel plate P275NL1 when rolling.Ultrasonic test mainly be according to EN 10160,also adopt to ASTM A435/A435M,ASTM A577/A577M and A578/A578M.The end user can suggest the different levels for this test according to their engineers'drawing.
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
Thickness(mm) | Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% |
T≤16 | 275 | 390-510 | 24 |
16<T≤40 | 265 | ||
40<T≤60 | 255 | ||
60<T≤100 | 235 | 370-490 | 23 |
100<T≤150 | 225 | 360-480 | |
150<T | 215 | 350-470 |
►Chemical composition for P275NL1 steel plate (Heat Analysis Max%)
Main chemical elements composition of P275NL1 steel plate | |||||||
C | Si | Mn | P | S | Al (total) | N | Cr |
0.16 | 0.40 | 0.80-1.50 | 0.025 | 0.015 | ≥0.020 | 0.012 | 0.30 |
Cu | Mo | Nb | Ni | Ti | V | Nb+Ti+V | |
0.30 | 0.08 | 0.05 | 0.50 | 0.03 | 0.05 | 0.05 |