Stainless Steel Seamless Heat Exchanger Tubes
Ratnamani is having dedicated facility for manufacturing Stainless Steel Seamless Tubes.
The facility is equipped with 1750 Ton capacity of Water Hydraulic Hot Extrusion Press . The Hot Extrusion Press is the core strength of the Company enabling to produce Mother Hollows with closer dimensional tolerances and good surface finish. Ratnamani is self sufficient for manufacturing Mother Pipes with special chemistry.
The Hot Extruded Mother Hollows are used for manufacturing Stainless Steel Seamless Heat Exchanger Tubes using High Speed Cold Pilger Mills, modern Draw Benches and Off-Line Bright Annealing / Conventional Annealing furnaces.
Ratnamani is having the facility to supply tubes with lower residual stress values, which plays an important role in service life of Seamless Heat Exchanger Tubes.
Ratnamani is having dedicated facility for manufacturing Tubes in U bend Solution Annealed condition upto developed length of 36 meters.
Ratnamani manufactures Austenitic ,Super Austenitic , Ferritic, Martensitic, Lean Duplex, Duplex, Super Duplex and Nickel Alloy Seamless Tubes.
Unique Features :
- Good Surface Finish
- Good Corrosion Resistance
- In-house "U" bending facility and "U" bend Stress relieving
- Ability to produce tubes with stringent NDT requirements of the Client
- Ability to handle various Grades of Stainless Steel
- Closer Dimensional Tolerance
Salient Features :
- Stainless Steel Seamless Condenser Tubes
- Capabilities to manufacture tubes having wall thickness 0.70 mm
- Straight Length upto 25 meters
Stainless Steel Seamless LP and HP Heater Tubes
Oil and Gas Sector
- Capabilities to supply tubes with Very Low Residual Stress Values leading to longer service life
- Dedicated facility for manufacturing Tubes in "U" bend Solution Annealed condition upto developed length of 36 meters
- Ability to supply tubes with Special Chemistry
- Capability to supply tubes of special grades for Nuclear Power Plants
- Ability to produce tubes with stringent NDT requirements of the client
- Stabilization Heat Treatment facility for Stabilized Stainless Steel Grades
- Capability to supply Urea Grade Tubes 316L UG and UNS S31050
- Any other special grade can be developed on request
- Capabilities to supply Lean Duplex tubes for Process Industries
|SIZE / RANGE
|10.00 MM to 76.00 MM OD
||0.70 MM to 6.00 MM
||ASTM A-213, A-268, A-269,
U-Tubes as per Customer's Drawing.
TP-304/L/LN/H/N,TP-316/L/LN/H/N/Ti,TP-317L,TP-317LM, TP-321/H, TP-347/H, UNS S31254 , UNS N08904
& Various grades as per European Norms
TP-405, TP-410, TP-430, TP-446
UNS S31500, S32304, S31803, S32205, S32750, S32760
| * Sizes and Specifications other than above can be manufactured on request