HII steel plate, HII steel plate/sheet metal, DIN 17155 HII steel plate/sheet for boiler steel, HII carbon steel used for boiler, DIN 17155 steel plate for boiler using, HII steel supplier/Chinese supplier, HII steel price,HII steel manufacturer.
Pressure vessel steel plate HII owned the minimum yield strength at 265Mpa for thickness equal and below 16mm,255Mpa for thickness within 16-40mm, tensile strength within 410-530Mpa for steel plate thickness equal and below 100mm, 400-530 Mpa for steel plate thickness above 100mm.
Structure steel grade DIN17155 HII is a weldable pressure vessel and boiler steel grade used by the world's industrial fabricators.
The material, DIN HII steel is ideally suited for elevated temperature service, is commonly found in the oil & gas, petrochemical and chemical industry. This European standard grade steel has replaced the BS1501 and DIN17155 specification.
Chemical analysis -% by mass* (max)
Grade |
C. % |
Mn.% |
S. |
N |
Cu |
Nb |
Ti. |
Si. |
P. |
AL |
Cr. |
Mo. |
Ni |
Vi |
HII |
0.20 |
0.80-1.40 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.40 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
Mechanical property for HII Boiler steel:
Grade |
Thickness (mm) |
||||
HII |
≤ 16 |
> 16 ≤ 40 |
> 40 ≤ 60 |
> 60 ≤ 100 |
> 100 |
Yield strength (≥Mpa) |
265 |
255 |
245 |
215 |
200 |
Tensile strength (Mpa) |
410-530 |
410-530 |
400-530 |
The equivalent steel grade for boiler steel plate HII is P265GH in EN 10028-2,and SB410 in Japanese steel standard. Now Katalor can offer the maximum thickness for boiler steel plate HII till 350mm with Normalized and ultrasonic examination. Any need in DIN 17155 HII Chemical Composition and Mechanical Properties, please feel free to contact us by email or calling to us.
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