YB/T 4223-2026 Pending Industry standards-Black metallurgy

YB/T 4223-2026 Heating water tube made of stainless steel welded pipe

Publish Date: 2026-04-16 Implement Date: 2026-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YB/T 4223-2026

Standard Type: Industry standards

Standard Status: Pending

is_force_gb: no

CCS Name: \nSteel pipes, cast iron pipes

ICS Name: Special-purpose pipe steel

Publish Date: 2026-04-16

Implement Date: 2026-11-01

Scope

This document specifies the ordering content, manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for stainless steel welded steel pipes used in water supply heaters. This document is applicable to straight or U-shaped stainless steel welded steel pipes with a nominal outer diameter of 8mm to 50mm and a nominal wall thickness of 0.5mm to 3.5mm used in water supply heaters.