Luxi New Energy Equipment Group Co.,Ltd
Address:No.28 Liaohe Road Economic Development Zone, Liaocheng, Shangdong, China
Contact: Pengpeng Li
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Gas cylinders —Refillable seamless steel tubes for compressed gas transport, of water capacity between 150 land 3000 l — Design, construction and testing
Members of ISO and IEC maintain registers of currently valid International Standards.
ISO 148, Steel — Charpy impact test (V-notch).
ISO 6506, Metallic materials — Hardness test — Brinell test.
ISO 6892, Metallic materials — Tensile testing at ambient temperature.
ISO 11114-1, Transportable gas cylinders — Compatibility of cylinder and valve materials with gas contents — Part 1: Metallic materials.
ISO 11484, Steel tubes for pressure purposes — Qualification and certification of non-destructive testing (NDT) personnel.
The tempering temperature shall be defined within ± 30 °C of the temperature for guaranteeing specified mechanical properties but shall not be less than 540 °C.
Failure to meet test requirements
In the event of failure to meet test requirements, retesting or reheat treatment and retesting shall be carried out as follows:
a) If there is evidence of a fault in carrying out a test, or an error of measurement, a further test shall be performed. If the result of this test is satisfactory, the first test shall be ignored.
b) If the test has been carried out in a satisfactory manner, the cause of test failure shall be identified.
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