According to the GB/T 12771-2019, the outer diameter range of stainless steel decorative welded pipes is usually between 6mm and 630mm. Then, the nominal wall thickness range of stainless steel decorative welded pipes is usually between 0.3mm and 30mm. In addition, the length range is usually between 3m and 12m, and custom lengths can also be provided according to customer requirements.
In addition, GB/T 12771-2019, a Chinese standard, also specifies the requirements for the chemical composition, mechanical properties, technical requirements and test methods of stainless steel decorative welded pipes to ensure the quality and suitability of the pipes.

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