HSB International India, ASME CERTIFICATION, PED CERTIFICATION, NUCLEAR CERTIFICATION, TPI Inspection Services

A short summary of the different kinds of Stamps and the relevant Sections of the ASME Code can be found in the following

Power Boilers - Section I

Heating Boilers - Section IV

S	Power Boilers	H*	Cast Iron Heating Boilers
A	Assembly only	H	Heating Boilers, other
E	Electric Boilers	HLW	Lined Potable Water Heaters
M	Miniature Boilers	HV**	Heating Boilers Safety Valves
PP	Pressure Piping
V**	Boiler Safety Valves

Pressure Vessels - Section VIII Division 2

U	Pressure Vessels	U2	Alternative Rules for Pressure Vessels
UM*	Miniature Vessels
UV**	Pressure Vessels Safety Valves

Reinforced Plastic Vessels - Section X

	U3	High Pressure Vessels	RP	Pressure Vessels
	UV3	High Pressure Vessels, Safety Valves	* Components not subject to Authorized Inspection, annual audit by the AIA ** Components not subject to Authorized Inspection, triennial audit by ASME

Nuclear Certificates of Accreditation

N	Nuclear Components	NS	Nuclear Supports
NPT	Nuclear Parts	QSC	Material Organization
NA	Nuclear Installation and Shop Assembly	National Board Inspection Code
NV	Nuclear Safety Valves	R	Repair and Alteration
N3	Storage and Transport Containment of Nuclear Fuel	VR	Repair of Safety Valves