Study on macro inclusions in 30CrMo gas cylinder steel

The spindle sleeve of 30CrMo steel belongs in heavy-walled part and in the past its mechanical properties were difficult to reach the requirement after being quenched and tempered.

The anti-corrosion performance of 30CrMo steel covered with the graphite epoxy composite materials was evaluated in seawater through corrosion potential measurement,galvanic corrosion and neutral salt spray tests.

The crack morphology and forming reasons of 30CrMo steel pump body were observed and analyzed using optical microscopy, scanning electron microscopy, energy-dispersive X-ray analysis and chemical composition analysis.

Calculation of chlorine gas leakage velocity after the valve of liquid chlorine cylinder being removed;

The cause of corrosion for model YSP-15 cylinder was analyzed,and precautionary measures was performed.

The damage of overfilling liqufied petrochemical gas,filling by connecting line,directly pouring the residual liqufied gas in the cylinder,using the cylinder and gas burner properly,and some measures that should be taken in the course of leakage and firing are introduced

Discussion on Heat Load of Paint Drying Box for LPG-bottle Production Line;