Standard No.:	GB/T 13440-1992
Chinese Name:	无缝气瓶压扁试验方法
English Name:	Method for flattening test of seamless gas cylinders
Professional Classification:	J76 Gas separation and liquefaction equipment
Professional Classification:	GB National Standard
Issued by:
Issued on:	1992-04-18
Implemented on:	1992-01-02
Status:
Language:	English
File Format:	PDF
Word Count:
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1 Subject Contents and Application Scope

This standard is applicable to inspect the multi-axial strain capacity of seamless gas cylinder and specifies the method to determine the flattening deformation capacity of seamless gas cylinder.

This standard is applicable to the seamless gas cylinder (hereinafter referred to as "gas cylinder") with nominal working pressure not greater than 30MPa and nominal volume not greater than 80L.

2 Requirements for Tested Gas Cylinder

2.1 The tested gas cylinder shall meet the requirements of corresponding national standards. Tested gas cylinder shall be subject to quality inspection on internal and external surfaces, shall be free from any defect affecting strength like dent, scratch, crack, fold, double skin and inclusion, shall be free from foreign matters like oil stain and paint on its surface, and shall ensure unblocked cylinder opening.