Katalor, a 4140 Seamless Tubing Manufacturer in China, can produce A519 4140 seamless hot-finished mechanical tubing and A519 4140 seamless cold-finished mechanical tubing in size up to and including 12¾. [325mm] outside diameter for A519 4140 round tubes with wall thickness as required.
ASTM A519 4140 Cold Drawn Seamless Tubing Size
Stocked Size Range: 0.250” OD – 6.0”OD; 0.035” wall – 0.625” wall thickness
Stocked Length: 17’-24’ random lengths
A519 4140 tubing alloy steels or high-tensile steels are a low-carbon steel, or steels at the lower end of the medium-carbon range. Alloy steel has additional alloying ingredients in order to increase their strength, wear properties or specifically tensile strength.
Two grades of 4140 seamless mechanical tubing are available, cold finished and hot rolled surface condition. 4140 seamless mechanical tubing product is cold drawn or hot finished. 4140 seamless alloy tubing with the mechanical properties created by a quench and temper.
ASTM A519 / A519M Tubes Test Certificates
We, 4140 Seamless Tubing Manufacturer, provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement.
• EN 10204/3.1B,
• Raw Materials Certificate
• 100% Radiography Test Report
• Third Party Inspection Report, etc
