This standard specifies the manufacturing, inspection, marking and packaging requirements for seamless sharp bends (including 180° sharp bends and 90° elbows) for petrochemical tube furnaces. This standard applies to seamless sharp bends for petrochemical tube furnaces. This standard does not apply to cast sharp bends.
SH/T 3065-2005 Referenced Document
ASTM A106 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
GB 9948 Seamless steel tubes for petroleum cracking*, 2013-09-18 Update
GB/T 231.1-2002 Metallic materials--Brinell hardness test--Part 1: Test method
JB 4730-1994 Nondestructive testing of pressure vessels
SH/T 3065-2005 history
2006SH/T 3065-2005 Technical standard for return bends and elbows of tubular heater in petrochemical industry
1994SH/T 3065-1994 Technical standard for elbows and returns in petrochemical tubular heater