Spraymet Surface Technologies provides various surface modification processes at its plants in Bangalore and Pune, India, including thermal spray coatings, cladding, plating, and nitriding. Thermal spray processes include flame spray, robotic plasma spray, robotic high-velocity oxy-fuel spray (HVOF), and cold spray. Cladding techniques include plasma transferred arc spraying and high-energy tungsten inert gas welding. The company's services can be used to coat components for oil/gas, valves, pumps, and other industrial applications.
HAND TOOLS USED AT ELECTRONICS WORK PRESENTED BY KOUSTAV SARKAR
Spraymet thermal spray and cladding ppt pump and valve sector
1. SURFACE TECHNOLOGIES
Bangalore and Pune
Surface Modification Technologies
Bangalore Plant :
A 413, 9th
ain, 2nd
stage,Peenya Indl area
Bangalore 5600058 , spraymet@gmail.com
Tel : 080-28364565 , mobile : 9916903701
Pune Plant :
T 180, T Block, MIDC , Bhosari, Pune
Tel 020- 27110020 Mobile ; 8149046272
1
SPRAYMET
6. Gun-
Flsme/Plasma/HVO
FFlame Temp 3000-
15000*C
Semi molten particle
temp t
Particle velocity V ~ 400-
1200m/sec
Spray dist 6-15 inches – No
heat transfer to base
Grit blasted surface
Hot particle
quenches @surface
to give Hardness
Splat ~ D= 3X d
Adhesion : Micro
welding + mechanical
bonding
Practical size ~d 15-106
micronsSpherical in shape
D
-- = 3.5
d
SPRAYMET
SURFACECOATING
Heated particles
propelled
Impact force =
1/2mv2
Concept and
Schematic of
THERMAL SPRAY
Layer by layer coating builds up
7. Plasma spraying
7
• Most versatile process in
terms of range of coatings
•plasma temperature: up to 15000 ºC.
• virtually all existing materials
including ceramics. Flame spray 350-
500m/sec
9. Cold spraying
9
• gas temperature: under the
phase transition temperature ~ 800,1000C
• sprayed materials: pure Al, Zn, Cu, Ni
Alloys : NiCr, Cr- Carbide/NiCr
11. Characteristics of thermally sprayed coating structures
(Typical Expected values)
As
sprayed
(3-5Ra)
Oxide-(max 3%) Cracks-(Not allowed)Pores
(1-2%)
t
Grit blasted surface
3-6 Ra
Unmolten particle
3 % maxEmbedded grit blasting
pieces-10% or area
max
“over-blasted”
area
16. HW/TIG bore cladding
16
Common Base Material Grades API 5L X52 to X70, A106 Gr. B, ASTM
A333 Gr.6, A182, A350, A694, AISI
4130, 8630
Common Weld Overlay Grades STAINLESS Steel 316L, 410, 904L,
Duplex/Super Duplex, MONEL Alloy 200,
400; INCOLOY 825, INCONEL 625,
C22; C276, Copper Nickel Alloy and
others on customer requirement.
CRA Clad Pipe, Tubular Components Weld overlay of pipe in up to 6m lengths,
extended to 12m by “double jointing”
Flanges and Connectors Flanges / Swivel Ring Flange :1-1/2”NB
(min)
Bends (3D-5D) or on customer
requirement, SR/LR Elbows, Tees,
Reducers, Hubs /Caps
Weld overlay can be carried out on
elbows prior
to forming or after induction bending
depending on
the dimensions.
Pressure Vessel Components CRA clad nozzles, vessel strakes, tube
sheets
Valves & Valve Components Blocks, Manifolds, Gates, Seats,
Bonnets, Ball Plug,
Xmas Trees
Working Capabilities - Pipe cladding start from 4” diameter
27. Other coponents oil and gas
Plug carbide coating Control valve plug -stellited
Ball and seat TC coated and match
lapped Mud Rotor : Repaired and Tc coated
+ super polished
