SEGMENTAL CONSTRUCTION ( crown & petal type)

SINGLE PIECE- SEAMLESS/ CHORDAL SEAM CONSTRUCTION

SR..

PARTICULARS

RANGE

1

Inside diameter

Up to 10,000 mm

100mm to 5200 mm

2

Nominal thickness

20 mm to 150 mm

20mm to 120 mm

3

Types of dished ends

2:1 semi Ellipsoidal

•  Torispherical
•  Flat bottom
•  Hemispherical
•  Floating heads
•  Laddle bottom for EAF

i) 2:1 semi Ellipsoidal

•  Torispherical
•  Flat bottom
•  Hemispherical
•  Floating heads
•  Reverse Flanged

4

Material

•  Carbon steel
•  Stanless steel
•  Low & high alloy steel

•  Special steel : inconel,monel,incoloy etc
•  Claded steel
•  Duplex steel

5

Scope of Work Executing

•  Supply on job work (FIM) & with material basis
•  Preparation of test coupons
•  Material & weld testing at approved laboratories
•  Blank preparation with X-ray quality welding
•  Cold forming
•  Intermediate & final stage heat treatments- Through External Agency
•  Sand/shot blasting after heat treatment - Through External Agency

•  Weld edge preparation (manual)
•  Liquid penetrant examination - Through External Agency
•  Ultrasonic testing - Through External Agency
•  100% radiography testing of weld seams - Through External Agency
•  Magnet particle examination - Through External Agency
•  Inspection under various third party inspection agencies