Regulations ATSM and tolerances
The main tolerances of our 2 leading products Hollow Bars and Seamless Tubing and Pipesare summarized below, with reference to the specific ASTM Standards.. Steel Center Milano
Hollow Bars
Tolerances according to ASTM A511 / A312:
- Outer Diameter 2 / -0% with a minimum of 1 / -0mm
- Internal Diameter 0 / -2% with a minimum of 0 / -1mm
The Wall Thickness tolerance is not specified because it relates to the eccentricity of the hole.
Other specifications on the reference standards ASTM A511 / A312 on specific request.
Seamless Tubing and Pipes
Outer Diameter:
- from 10.2 to 48.26 0.40mm / -0.79mm
- from 60.33 to 114.3 0.79mm / -0.79mm
- from 141.3 to 219.1 1.59mm / -0.79mm
- from 273.05 to 457.2 2.38mm / -0.79mm
Wall Thickness = -12.5% and unspecified because the extra tolerance is not limited.
For other sizes and ASTM A213 / A269 Instrumentation Pipes, tolerances may vary by manufacturer, so for more information, please feel free to contact us.
Other specifications on ASTM A312 / A213 / A269 reference standards upon specific request.
