Compressed Gas Cylinders manufacturing as per DOT 4BW 450 & 500

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Aug 3, 2023, 11:04:48 PM8/3/23

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Dear expert,

Can anyone guide me for mechanical testing requirements for mentioned in subject cylinders as per codes and Wps & PQR other welding requirements.

Type of materials used in it.

Please tell me if someone working & manufacturing this type cylinders.

Thanking you,

Best Regards

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