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Boiler Tube Capability Envelope Calculator
Check if your tube spec falls inside ABOKE’s bend-radius envelope, calibrated to ASME PG-79 and ASTM A213.
Capability Envelope Check
Capability Envelope Check
Tube:
Target CLR:
ABOKE envelope floor:
Recommended ABOKE tier:
Heat treatment:
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Envelope floors follow cold-bend, booster-assisted operation. Tighter radii may be achievable on selected sizes via intrados induction heating per USPTO US7,231,798. Always confirm against the project-specific PFI ES code revision in effect at fabrication.