HII Boiler Quality Plate
HII boiler steel plates are one of the main steel materials for gas cylinders and gas containers. The minimum yield strength of HII steel plates for pressure vessels with a thickness of 16mm and below is 265Mpa, 255Mpa for 16-40mm, 410-530Mpa for 100mm and below, and 400-530Mpa for 100mm and above.
GNEE steel is a professional exporter and steel distributor of HII boiler plate in China. We have more than 50,000 tons of HII Pressure Vessel Steel Plate in stock every month. We provide rust removal, cutting, punching, bending, welding and other services. For HII vessel plate prices, please feel free to contact us by email or phone.
HII PVQ steel plate chemical composition
| Main chemical elements composition of HII | ||||||
| C | Si | Mn | P | S | Al(total) | Cr |
| 0.2 | 0.35 | 0.50-1.30 | 0.035 | 0.03 | ≥0.02 | 0.25 |
| Cu | Mo | Nb | Ni | Ti | V | |
| 0.3 | 0.1 | 0.01 | 0.3 | 0.03 | 0.03 | |
HII boiler of steel plate mechanical property
|
Grade |
Type |
Thickness mm |
Yield strength Mpa(min) |
Tensile Strength MPa |
Elongation % (min) |
Impact Energy (KVJ) (min) |
||
|
-20 |
0 |
20 |
||||||
|
HII |
Normalized |
16 16>to40 40>to60 60>to100 100>to150 150>to250 |
265 |
410-530 |
22 |
27 |
34 |
40 |
|
|
|
|
255 |
410-530 |
22 |
27 |
34 |
40 |
|
|
|
|
245 |
410-530 |
22 |
27 |
34 |
40 |
|
|
|
|
215 |
410-530 |
22 |
27 |
34 |
40 |
|
|
|
|
200 |
400-530 |
22 |
27 |
34 |
40 |
|
|
|
|
185 |
390-530 |
22 |
27 |
34 |
40 |
HII Boiler grade plates thickness sizes
| 3/4" | 1-1/2" | 3/8" | 1-1/2" | 1/8" | 3" |
| 1" | 2" | 1/2" | 2" | 3/16" | 4" |
| 1-1/4" | 2-1/2" | 5/8" | 2-1/2" | 1/4" |
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