ChinaAutoRegs｜GB/T 5099.3-2017英文版翻译《钢质无缝气瓶 第3部分：正火处理的钢瓶》
Seamless steel gas cylinders – Part 3: Normalized cylinders

1 Scope

This part of GB/T 5099 specifies minimum requirements for structure and parameter, technical requirements, test method, test and inspection rule, marking, coating, package, transportation and storage, product certificate and batch inspection quality certificate of normalized cylinders (hereinafter referred to as steel cylinders)

This part of GB/T 5099 is applicable to refillable steel cylinder of design and construction with nominal working pressure not greater than 15 MPa, nominal water capacities of 0,5 l ~ 150 l and service temperature with range of ˗40 ℃ ~ 60 ℃, which is used for filling compressed gas or high-pressure liquefied gas.

This part of GB/T 5099 does not apply to the gas cylinder for vehicle and cylinder-type pressure vessel attached to machines and equipment.

Note: If desired, cylinders of water capacity less than 0,5 l can be manufactured and certified to be in compliance with this part of GB/T 5099.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 196 General purpose metric screw threads–Basic dimensions(ISO 724)

GB/T 197 General purpose metric screw threads—Tolerances(ISO 965-1)

GB/T 222 Permissible tolerances for chemical composition of steel products

GB/T 223 Methods for chemical analysis of iron，steel and alloy

GB/T 224 Determination of depth of decarburization of steels(ISO 3887)

GB/T 228.1 Metallic materials – Tensile testing – Part 1 : Method of test at room
temperature(ISO 6892)

GB/T 229 Metallic materials – Charpy pendulum impact test method(ISO 148-1)
GB/T 232 Metallic materials – Bend test(ISO 7438)

GB/T 4336 Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method)

GB/T 5777-2008 Seamless steel pipe and tubing methods for ultrasonic testing
(ISO 9303:1989,MOD)

GB/T 6394 Determination of estimating the average grain size of metal

GB/T 7144 Colored cylinder mark for gases

GB/T 8335 Special threads for gas cylinders

GB/T 8336 Special thread gauges for gas cylinders

GB/T 9251 Methods for hydrostatic test of gas cylinders

GB/T 9252 Method for pressure cycling test of gas cylinders

GB/T12137 Methods for leakage test of gas cylinders

GB/T 13005 Terminology of gas cylinders

GB/T 13298 Inspection methods of microstructure for metals

GB/T 13299 Steel–Determination of microstructure

GB/T 13447 Steel blank for seamless gas cylinder

GB/T 15384 Designation for gas cylinders

GB/T 15385 Method for hydraulic burst test of gas cylinder

GB/T 18248 Seamless steel tubes for gas cylinder

JB/T 6065 Non-destructive testing—Shims for magnetic particle testing

3 Terms, definitions and symbols

3.1 Terms and definitions

For the purposes of this document, the terms and definitions given in GB / T13005 and the following terms and definitions apply.

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