

Steel materials grade: ASTM A-516 Grade 55 NACE MR-0175 HIC
Conform to steel standard: NACE MR-0175 / ISO 15156 steel plate materials are used for Sour Service in H2S containing enviroments in oil and gas production.Steel tests including HIC-Hydrogen induced cracking test,SCC-Stress corrosion cracking test,SSC-Sulfide stress cracking test and so on.
Relative steel grades:1 P265GH,P295GH,P355GH,16Mo3,15Mo3,A204 Grade A,A285 Grade C,SA299 Grade A,SA387GR11CL1,A387GR11CL2,A387GR22CL2,Q345R.
Rolling range: Thickness*Width*Length 6-450mm*1500-4200mm*5000-18000mm
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►Mechnical property for A516 Grade 55 boiler steel:
Yield strength (Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% | |
205 |
380-515 |
200mm |
50mm |
23 |
27 |
►Chemical composition for A516 Grade 55 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 |