
ASTM A269 304L Seamless Stainless Tube Precision. Precision Tolerance: Tolerance of +/-0.1mm ensures high accuracy for demanding applications. Customized Dimensions: OD ranges from 5mm to 114mm with wall thickness from 0.3mm to 20mm. Multiple Material Options: Available in 304, 316, 304L stainless steel, carbon steel, and alloy steel. Full In-House Testing: Includes chemical analysis, dimensional checks, eddy-current, and tensile tests. EN10204 3.1 Certification: Every shipment comes with a certified material test report. Flexible MOQ: Supports small-batch orders, prototyping, and rapid size changes. GZ Steel Heritage: Technical team with 30+ years of expertise from Guangzhou Iron & Steel Group. Trusted by Global Brands: Supplying long-term programs for Gree, Midea, Panasonic, and GAC Group.