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Description: GB6653 steel plate and steel strip commonly known as welding bottle steel, and welding gas cylinder steel. Mainly for the thickness of 2-14mm hot rolled steel plate and steel strip, and the thickness of 1.5-4mm cold rolled steel plate and steel strip. ...
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GB6653 steel plate and steel strip commonly known as welding bottle steel, and welding gas cylinder steel.
Mainly for the thickness of 2-14mm hot rolled steel plate and steel strip, and the thickness of 1.5-4mm cold rolled steel plate and steel strip.
Welding gas cylinder with GB6653 steel plate and steel strip have a certain degree of strength, but also have good stamping performance, welding performance and low cold and brittle transition temperature and other comprehensive mechanical properties.
The main grades of GB6653 steel for welding gas cylinders are: HP235, HP265, HP295, HP325, HP345GB6653 steel plate and steel belt are mainly used for welding gas cylinders, such as liquefied gas cylinders, oxygen cylinders, fire extinguishers, gas tanks and so on.
GB6653 steel chemical components:
| material name |
C | Si | Mn | P | S | Nb | V | Ti | Bb+V | Al min% |
|---|---|---|---|---|---|---|---|---|---|---|
| HP235 | 0.16 | 0.1 | 0.8 | 0.025 | 0.012 | 0.05 | 0.1 | 0.06 | 0.12 | 0.015 |
| HP265 | 0.18 | 0.1 | 0.8 | 0.025 | 0.012 | 0.05 | 0.1 | 0.06 | 0.12 | 0.015 |
| HP295 | 0.18 | 0.1 | 1 | 0.025 | 0.012 | 0.05 | 0.1 | 0.06 | 0.12 | 0.015 |
| HP325 | 0.2 | 0.35 | 1.5 | 0.025 | 0.012 | 0.05 | 0.1 | 0.06 | 0.12 | 0.015 |
| HP345 | 0.2 | 0.35 | 1.5 | 0.025 | 0.012 | 0.05 | 0.1 | 0.06 | 0.12 | 0.015 |
GB6653 steel mechanical property:
| material name |
Yield strength (Mpa) Min | Tensile strength (Mpa) Min | Elongation A (%) Min |
|---|---|---|---|
| HP235 | 235 | 380-500 | 29 |
| HP265 | 265 | 410-520 | 27 |
| HP295 | 295 | 440-560 | 26 |
| HP325 | 325 | 490-600 | 22 |
| HP345 | 345 | 510-620 | 21 |
GB6653 steel equivalent to
| GB | JIS | EN | DIN，WNr | AFNOR | BS | UNI |
|---|---|---|---|---|---|---|
| HP265 | SG255 | P245NB (1.0111) |
HI | BS1 | TypeA | FeE24KR |
| HP295 | SG295 | P265NB (1.0423) |
HII | BS2 | TypeB | FeE27KR |
| HP325 | SG325 | P310NB (1.0437) |
17Mn4 ASt41 |
A42FP1 BS3 |
224-400 TypeC |
Fe410-2KG FeE31KR |
| HP345 | SG365 | P355NB (1.0557) |
19Mn6 | BS4 | TypeE | FeE35KR |
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