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CHG1-325-110-35S/A
Hydrogen Cylinder - CHG1-325-110-35S/A
Where there is a risk of hydrogen embrittlement(see ISO11114-1), the Max. Rma shall be 880MPa, or, where Rea/Rma<0.9. be 950MPa. Compatibility statement: Cylinder according to classification QTS according ISO 11114-1 which can be used for gases indicated "A" in ISO11114-1；
Technical Requirements
▪ Application standard: EN ISO 9809-1:2019 and DIRECTIVE 97/23/EC
▪ Filling content: compressed gases or liquefied gases, except corrosive or embrittling gases (see ISO 11114-1)
▪ Maximum/minimum allowable temperature TS: -50°C to 65°C
▪ Material: 34CrMo4 (according to G8/T18248)
▪ Heat treatment: Quenched and Tempered
▪ Hydrostatic test pressure PT: 525bar
▪ Maximum allowable pressure PS: 350bar
▪ The permanent expansion shall not exceed 10% of the total volumetric expansion
▪ Spun-tube cylinder
▪ Application standard: EN ISO 9809-1:2019 and DIRECTIVE 97/23/EC
▪ Filling content: compressed gases or liquefied gases, except corrosive or embrittling gases (see ISO 11114-1)
▪ Maximum/minimum allowable temperature TS: -50°C to 65°C
▪ Material: 34CrMo4 (according to G8/T18248)
| Chemical Composition (%) |
C | Mn | Si | Cr | Mo |
| 0.30-0.37 | 0.60-0.90 | 0.15-0.35 | 0.90-1.20 | 0.15-0.30 | |
| S | P | S+P | V+Nb+Ti+B+Zr | ||
| <0.010 | <0.020 | <0.025 | <0.15 | ||
▪ Heat treatment: Quenched and Tempered
▪ Hydrostatic test pressure PT: 525bar
▪ Maximum allowable pressure PS: 350bar
▪ The permanent expansion shall not exceed 10% of the total volumetric expansion
▪ Spun-tube cylinder