

Steel Grade: ASTM A516Gr55 HIC,ASME SA516Gr55 HIC NACE
Relative steel grades: P235GH,P355GH,16Mo3,15Mo3,A203GrE,A302GrA,A302GrB,A285 Grade C,SA387Gr11,SA387Gr12,SA387Gr22,A516 Grade 70,A515GR70,Q245R.
Main application:Boiler steel plates are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
Rolling range: Thickness*Width*Length 6-450mm*1500-4200mm*5000-18000mm
Surface Treatment: Coated,Shop primer painting
Test: Low temperature impacting test,Ultrasonic examination,Normalized,NACE MR-0175,HIC,SSCC and TPI(Velosi,SGS,ABS,Lloyd’s,Sinoswiss,Sucofindo) by end user.
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►Mechnical property for A516 Grade 55 N boiler steel:
Yield strength (Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% | |
205 |
380-515 |
200mm |
50mm |
23 |
27 |
►Chemical composition for A516 Grade 55 N boiler steel (Product Analysis Max%)
Main chemical elements composition of A516 Grade 55 | |||||
Thickness(mm) |
C |
Si |
Mn |
P |
S |
T≤12.5 |
0.18 |
0.13-0.45 |
0.55-0.98 |
0.035 |
0.035 |
12.5<T≤50 |
0.20 |
0.55-1.30 | |||
50<T≤100 |
0.22 | ||||
100<T≤200 |
0.24 | ||||
T>200 |
0.26 |