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2.1.1.1 Operating Limits
Category
Parameter
Specification
Inspection
Surface
Maximum coating thickness:
Up-side-down orientation
Bare metal only
Vertical orientation
0.5 mm
(0.020 in)
Horizontal, Right-side-up
orientation
1 mm
(0.040 in)
Condition
Clean, free of excess rust, scale, debris
(i.e. dirt, sand, etc.)
, ice, frost
Minimum thickness
3 mm
(0.120 in)
Minimum ID, internal
circumferential driving
686 mm
(27 in)
Minimum OD, external
Circumferential driving
64 mm
(2.5 in)
Minimum OD, longitudinal
driving
762 mm
(30 in)
Maximum surface temperature
50°C
(122°F)