ASMEB31.1 &ASMEB31.3 are two codes which are almost the bible of piping industry. All process & Power plants has to follow the clauses mentioned in these codes.

Identification & discussion on 12 Major Differences between ASME B31.1 & B31.3

• Application

• Allowable stresses – (Two Steps)

• Design Life

• Factor of safety

• Pipe wall thickness

• Variation on Normal operation

• Post weld heat treatment

• Random Inspection & examination

• Testing

1. Hydrostatic test

2. Pneumatic Test

3. Service Test