EXCELLENCE...

EFFICIENCY...
EXPERTISE

TOOLING FOR METAL INDUSTRY

Corporate
Philosophy Travelling Through 4
It is said that fortune favors the enterprising and it
Incorporated around four decades ago as an ancillary unit named Dewas
comes true in context of our dedicated efforts at
Tools, the journey of DeeTee Industries has been driven by the wheels of
DeeTee. We are driven by the single minded
hard work and the fuel of determination. Starting as a slitter tooling and tube
Determination to Establish Excellence Through
forming rolls manufacturer in 1975, DeeTee soon made a mark in the
Efficiency and Expertise. We started out with a
market with its dedicated approach and constant innovations. Today it has
set of defined positive values and blazed a trail of established itself as a giant in the segment with an export network sprawling
meteoric growth, standing firm through the over 60 countries and a driving workforce of more than 400 employees.
changing times and delivering to the customer's
satisfaction every time. Trust is Our Core Strength...
Our beliefs form our philosophy. We believe in: DeeTee has been officially recognized by the grant of coveted ISO
9001:2008 certification. Through our quality, technological superiority
n Achieving exceptional standards of precision and highly motivated workforce, we have always excelled on customers'
and accuracy expectations creating the bonds of unshakable trust.
n Working to customer's satisfaction to exceed
their demands for quality and response time
Quality is Our Core Value...
To surpass the expectations of our customers worldwide, we undertake
n Providing cost effective solutions
stringent quality checks in pre and post manufacturing processes, right
n Constantly upgrading technology to maintain from the procurement of raw material to processing and final delivery.
superiority
Workmanship is Our Driving Force...
n Encouraging innovation through creativity
DeeTee is one big techno-commercial team and hence every individual is
n Ensuring sustainable global growth considered to be an equal contributor in the collective efforts. We feel
proud to say that highly competitive and dynamic personnel form the
backbone of DeeTee. The organization lays stress on the personal and
Leading with professional upgradation of team members through regular workshops
technological superiority, and seminars.

Growing by making
precision top priority.
 emMeBi
DeeTee

Decades of Dedicated Efforts

Assuring Quality, Every Step of the Way The Timeline of Prosperity
n Incorporated in 1975 as an ancillary unit in
Raw Material Dewas.
The most important aspect of tool making is selection of raw material n Started producing Cold Rolling Mill Rolls with
from right source. DeeTee purchases most of its raw materials second unit in 1983.
directly from renowned manufacturers from across the globe. The
materials are checked for composition, micro & macro structures
n Shipped our first export to Gulf in 1986.
and heat treatment response. n Started our 3rd unit for Tube Mill Rolls & Bar
Mill Tooling in 2002.
Heat Treatment n Partnership with European Slitter tooling
It’s one of the most crucial process in precision tool making. In-house manufacturer- emMeBi-Lame srl in 2010.
heat treatment facilities provide a better control. A modern set-up emMeBi-DeeTee jointly marketing products
consisting of salt baths, programmable electric tempering furnaces, in Europe & North Africa.
induction hardening, cryogenic, sub-zero treatment, steam n In the year 2012, the company diversified into
treatment etc. contribute to superior quality of the finished product.
packaging. It started making Polyester, Straps,
In-process & Final Inspection under the brand ‘Giraffe Packaging’.
The company applies state-of-the-art technology to make sure that
the final product reaches the desired standards. At final stage, all jobs Inspired by a vision to excel, DeeTee Group
undergo a tight quality control procedure which includes- has touched new heights in various major
n Dimensional Inspection sectors like-
n Hardness Testing
t Cold roll formed sections for
n Non-Destructive Tests like - automobiles, power, construction and
• Magnetic Particle Testing engineering industries
• Ultrasonic Testing t SS sections for the railways
• Die Penetrant Testing t Heavy duty industrial storage systems
Floating inspection does ensure right production and immediate
t CNC Punched Tubes; precision ERW
corrective action of the process.
Tubes; Tubular & Laser Cut components
for automobile & engineering industries.
Slitter Tooling
Slitting Knives
Our knives are capable to slit all kinds of applications- Carbon
Steels, Stainless Steels, Silicon Steels, Non-ferrous Metals,
Hardened and Tempered Grades, High Tensile Grades, Special
Alloys etc.
The most important parameters in a Slitter Knife are-
n Maximum Wear Resistance n Adequate Toughness
n Dimensional Stability n Chipping Resistance
It is our specialty to select the right material grade and hardness
to suit the customer’s application. Cryogenic treated knives have
good wear resistance, exceptional dimensional stability, life &
excellent slit edge quality.
Size Range- DeeTee offers knives upto Ø 610mm (equvivalent
to 24"). Knives upto Ø 350mm can be supplied in lapped
condition with +/- 0.001mm thickness tolerance. Light Weight Spacers
Spacers These are specially designed to reduce the weight of particularly
bigger dia spacers for easy handling and to reduce fatigue. The
The tolerances on Spacers are equally important like knives.
weight reduction can be upto 40-60%. It is achieved by having a
Spacers are made from 100Cr6 / SAE52100 / 1.2067 material
maximum recessed inner diameter and making holes on the
which is a thorough hardening grade and gives more dimensional
diameter throughout the periphery. Material and tolerances are
stability compared to carburizing steels. Stainless Steel Spacers can
similar to normal steel spacers.
also be supplied for corrosion resistance.

General Slitting Knives Materials

Tool Material Applications
AISI-D3/1.2080 Thin gauge of ferrous and non-ferrous materials
AISI-D2/1.2379
Medium gauge mild steel & thin gauge stainless steel, silicon steel, heat treated steel & thick
gauges of non ferrous
AISI-H13(M)/1.2345 Heavy gauges of stainless steel and mild steel, structural steel with high hardness where
& AISI-H13/1.2344 toughness is important
DIN 1.2990
Structural steel, constructional steel (with high manganese and carbon content), High
Strength Material upto 1600MPa, Heat Treatable steel
DIN 1.2714 Medium and heavy gauge slitting but medium degree of toughness is required
AISI S1/DIN 1.2550 Medium and heavy gauge strips with high tensile strength
AISI-M2/1.3343 (H.S.S.) Thin and extra thin gauges; for narrow & tight slitting with high quality of slit edge
PM Grades ASP23, 30 Better life (2x-3x) compared to Conventional HSS
Carbide CRGO, thin gauges of high tensile materials, very high tonnage between 2 regrinds
 Achievable manufacturing tolerances on Knives & Metal Spacers :
OD Precision Grade Extra Precision Grade
Thickness Flatness (Within) Thickness Flatness (Within)
(in mm) Tolerance T>2 2<T<5 T>5 Tolerance 2<T<5 T>5
Upto 255 ±0.003 0.1 0.040 0.010 ±0.001 0.020 0.005
255<D<355 ±0.004 0.1 0.050 0.015 ±0.001 0.030 0.005
355<D<435 ±0.005 0.1 0.060 0.020 ±0.003 0.040 0.006
Above 435 ±0.006 0.1 0.070 0.025 ±0.004 0.050 0.010
General Bore Tolerance : G6, G7, H7, F7, F8 | General OD Tolerance : 0/-0.02 mm
*Any special tolerance for parallism, flatness and bore can be made as per customer requirement
** All the dimensions are in mm

Bonded & Loose Stripper Rings

Loose stripper rings can be easily ‘stripped-on’ over the metal
spacers. In case of bonded stripper rings, the rubber rings are
adequately bonded with special adhesives over the OD of the
precisely ground / lapped steel cores.
The commonly used rubber grades are Nitrile / Perbunan;
Polyurethane; Neoprene. These can be supplied in different
colours. Loose stripper rings can be supplied in single or dual
hardness design.

Overarm Separator Tooling

Separator Discs- The discs are subject to heavy wear & impact,
hence the raw material should be wear & shock resistant. Also
they should not be so hard that they damage coils edges. A right
combination of material grade & hardness is therefore very
important. Most common grades are CrV Alloy Steel, 100Cr6,
SAE4340/EN24, 1.2379/D2. The separator discs can be
supplied with TiN coating or chrome plating to improve their
wear resistance. Generally hardness of 52/56 HRc works well.
Separator Spacers- These are generally made from alloy
steels. To reduce weight, these spacers can also be made from
Polyamide. Rubber bonded steel spacers are made for soft &
surface sensitive coils.

Shimless Tooling
Modern day slitting lines are designed for higher accuracies as well as for quick tool
setup and fast change overs. Our shimless tooling design helps in achieving both
these objectives. In our shimless tooling design, the metal spacers are very
precisely ground and lapped and are made in various thickness with fractions. The
exact spacing can be achieved with these metallic spacers. Thickness tolerance is
maintained within +/- 0.001mm.
Benefits of Shimless Tooling
n Helps in avoiding the use of plastic shims n Reduced setup times n Increased

strip/product quality n Infinite variable possibility to establish the setting

With our tool setup software, the operator can directly assemble the spacers on
the arbor as per the arrangement generated by the software. This helps to
minimize the setup time.
Cold Rolling Mill Rolls
At DeeTee, our RMR Division is responsible for rolling out world Generally the pattern is –
class Cold Rolling Mill Rolls of high quality and precision which n Work Rolls - 61/63 HRC or higher
includes Sendzimir Mill Rolls, 4Hi & 6Hi Mill Rolls, Skin Pass Rolls n 1st intermediate rolls – 57/59 HRC
etc. The rolls are prone to very tough working conditions and n 2nd intermediate rolls – 58-60 HRC
have to be perfect in terms of wear resistance toughness and
hardness. All the rolls are checked for hardness at multiple places The rolls are heat-treated in salt baths which impart good
immediately after heat treatment as well as before despatch. Rolls uniformity of hardness.
are checked for surface cracks by Magnetic Particle Test (MPT).
Sub-surface defects like inclusions are checked by Ultrasonic
Z Hi Rolls
Testing with Angular Probes. The work rolls are mostly made of AISI D2, M1, M2 grades.
Support rolls are in D2. Drive rolls are made from 3% Cr
Sendzimir Mill Rolls steel, sometimes 1.2362.
20 Hi Rolls: Sendzimir Mills are mostly used in SS and non-
ferrous Cold Rolling. The small diameter rolls allow superior
4 Hi, 6 Hi Rolls
reductions on very hard materials to very thin gauges. Also, DeeTee manufactures 4 Hi/6 Hi Rolls with multiple advantages of
they help to maintain very close gauge tolerances. Due to high long life and higher performance under pressure for cold rolling of
mill speeds and materials rolled being hard, the rolls have to be almost all types of metals-ferrous, non-ferrous, SS, aluminum,
tough with good wear resistance. silver, gold etc. It includes Work Rolls, Intermediate Rolls, Backup
Rolls and Skin Pass Rolls.
The work rolls are generally made of AISI D2 (1.2379), M1
(1.3346), M2 (1.3343) grades. For some high end applications, The rolls are subject to high wear and tear, heavy bending loads
powder metallurgy grades are also used. The 1st and 2nd and high roll separation forces.
intermediate rolls are mostly made of 5% Cr. tool steel grades Mill incidents and accidents are a common phenomenon and
(Din 1.2362 or H11 or H13) and sometimes D2 (1.2379) induce heavy amount of stresses in the rolls. The roll material
material. therefore has to be of very good quality. DeeTee mostly purchases
The hardness configuration of the rolls in the assembly is very raw material directly from renowned manufacturers having
important. The work rolls should be 3/4 HRC higher than the integrated melting–forging facilities.
intermediate rolls. n Grades – 52100, 3% Cr, 1.2327, D3, D2
n Size Range – Maximum length 3.5 meters, maximum dia
550 mm, maximum weight 3 tons.
 STEEL COMPOSITION
Commonly used raw material grades for CRM Rolls-
AISI/SAE JIS C Si Mn Cr Mo V W
1.2080 D-3 SKD-1 1.9-2.2 0.1-0.6 0.2-0.6 11-13 - - -
1.2379 D-2 SKD-11 1.45-1.6 0.1-0.6 0.2-0.6 11-13 0.7-1.0 0.7-1.0 -
1.2343 H-11 SKD-6 0.33-0.41 0.8-1.2 0.2-0.5 4.8-5.5 1.1-1.5 0.3-0.5 -
1.2606 H-12 SKD-62 0.32-0.4 0.9-1.2 0.3-0.6 5-5.6 1.3-1.6 0.15-0.4 1.2-1.4
1.2362 - - 0.6-0.65 1.0-1.2 0.3-0.5 5.0-5.5 1.0-1.3 0.25-0.35 -
1.3346 M-1 - 0.75-0.85 0.2-0.4 0.2-0.4 3.75-4.5 7.75-9.25 0.9-1.3 1.15-1.85
1.3343 M-2 SKH-51 0.78-0.95 0.2-0.4 0.2-0.4 3.75-4.5 4.5-5.5 1.6-2.2 5.5-6.75
1.2067 52100 SUJ-2 0.95-1.1 0.15-0.35 0.2-0.4 1.35-1.6 - - -
1.2327 - - 0.83-0.9 0.15-0.35 0.3-0.45 1.6-1.9 0.25-0.35 0.05-0.15 -
3% Cr. - - 0.8-0.85 0.15-0.45 0.15-0.45 2.8-3.2 - - -

Leveler/Flattener Rolls
DeeTee applies its pioneering spirit and innovative approach to The core should be toughened to avoid any bending and the
manufacture Leveler Rolls of desired International standards. case is hardened to avoid wear and tear. Smaller dia rolls are
Leveler Rolls are used in finishing stages of HR/CR coil induction hardened.
production or in steel service centers. DeeTee manufactures n Raw Material- Generally EN31/ 100Cr6/ SUJ2/ 1.2067 are
levelers with such perfection that it does not leave any scratch used for the Leveler Rolls. EN24 is used for hot applications like rolls
on the coils during operation. High degree of uniformity and for Plate Mills. DeeTee also produces Chrome Plated Rolls.
accuracy are required on all the rolls in a set. Cylindricity, set Refurbishing/ reconditioning (regrinding and chrome plating) is also
tolerance, surface finish, uniformity of hardness, etc. are equally done by DeeTee for a better customer service. DeeTee can make
important. minimum 30 mm dia Leveler Rolls to maximum 500 mm dia
plate Mill Flattener Rolls.
Tube/Section Mill Rolls
With the uncompromising commitment to quality, DeeTee Range – We make roll sets for pipes upto 12” NB.
manufactures Tube and Section Forming Rolls, Tube Fins- These are a vital component for tube making. Fin
Straightening Rolls, Rolls for Seamless Tubes. conditions the strip edges for proper welding. It gilds the edges
Tube & Section Forming Rolls of strip and squares the edges for butt welding. It also directs the
tube to squeeze rolls for perfect welding. Fins should be wear
DeeTee has a rich experience in designing of roll sets for a wide resistant and tough. Best raw material for Fin is AISI-D2
variety of tubular and open sections. To ensure complete (1.2379).
precision and accuracy, the company employs expertise of latest
COPRA software for designing. Profiling is done on high Tube Straightening Rolls
precision CNC lathes, giving high degree of accuracy. CNC Tube Straightening Machine Rolls need complete precision
wire-cut templates made out of SS are also available on request. since they are used in finishing stage of tube manufacturing.
These are generally required for re-profiling. DeeTee offers both single piece and Shrink Fitted Rolls. In case
Raw-Material – To give rolls durability and longer life, we of Shrink Fitted Rolls, the shaft is generally made out of EN24
recommend that the rolls are made out of AISI D3 (DIN /EN19 material. The material of the rolls is mostly AISI D3 / D2
1.2080) or AISI D2 (DIN 1.2379). SAE 52100 may be used due to their high wear and impact resistance properties.
where the volumes are low and mill speeds are less. For the
welding rolls, H13 (1.2344) is recommended as the Rolls for Seamless Tubes
temperatures are high. In high speed mills, rolls/welding shoes DeeTee rolls are also used in the Seamless Tube manufacturing
of bronze alloys are also used. (through hot processing). It includes Push Bench Fixed and
Adjustable Rolls, Stretch Reducing Mill Rolls etc. Due to high
heat & heavy reduction case of push bench rolls, H10 (1.2365)
material is used. For S.R.M. rolls, generally D2 (1.2379) or
sometimes D3 is also used. DeeTee also makes Piercing Bush
which is generally in 1.2714 material.
Tube Cutting Blades & Knives
Punch Type Tube Cut-off Knives Friction Saws
The punch-type tube cutting technology is used in high speed Friction Saw operation is based on strength of the frictional heat,
tube mills which operates at > 75 mtr./min. up to 200 mtr./min. which is generated between the saw teeth and work piece
The technology is much faster and gives a burr-free cutting. when the saw runs at high speed. DeeTee’s Friction Saws are
Flatness, hardness, wear resistance, toughness, edge retention, made from imported Chrome-Vanadium Steel (Cr-V) steel,
and impact resistance are the parameters of prime importance 1.2235 material. They perform with maximum stability at
for Tube Cut Off Knives. surface speed of 60-90 mtr./second. To cut aluminium, non-
The best suited material is High Speed Steel– AISI M2 (1.3343). ferrous metals, plastics etc., higher speed of (80-120
DeeTee sources the raw material directly from renowned mtr./second) is recommended.
European suppliers. DeeTee offers knives with special coatings DeeTee Friction Saws retain their toughness and have ability to
which are very hard and wear resistant. They help in reducing resist the stresses of high operating speeds.The most suitable
the friction during operation. Commonly used coatings are TiN hardness is 40-44 hrc. Its teeth sharpness retention quality is
(Titanium Nitride) and AlTiN (Aluminum Titanium Nitride) ensured by closely controlled heat treatment and accuracy of
coatings. teeth profile.
DeeTee maintains large quantity of raw material for quick delivery. n Range- 350 mm dia to 1000 mm dia.
Al
Ti
TiN

N
CO
AT
ED

Cut Off Carriage (C.O.C.) Cutters

C.O.C. is a 3 or 4 cutter assembly. The cutters keep rotating
and come closer to part off the tube. The cutting head is rotating
around the tube. This method is used up to 75 mtr./min. of mill
speed. It is an effective method for cutting bigger diameter tubes
and for tubes of higher wall thickness. The performance of the
C.O.C. Cutters depends upon alignment of the cutters in one
plane. Hence thickness of the cutters should be maintained
within close tolerances.
Raw Material- Commonly used grades are H13, EN24 and
1.2714.
Shear Blades & Straight Knives
DeeTee manufactures Shear Blades with best quality tool steel. DeeTee manufactures wide range of Shear Blades and Flat
These blades outperform in every operation with extended Knives- Crop Shears, Flying Shears, Rotary Shears, Hot &
blade life. It results in increased productivity as machine down Cold Shear Blades, Paper Cutting Knives, Bar Shears, Scrap
time for blade changes is significantly reduced. Choppers, Bow Type Shear Blades, Billet Shears, Divide
Shears, Dead Knives etc.
Following parameters are of prime importance to Blades and
Knives : Commonly used raw material grades are AISI D2 (1.2379);
n Hardness n Compression Strength AISI D3 (1.2080); AISI H13 (1.2344); AISI S1 (1.2550); 1.2767
etc.
n Wear Resistance n Long Cutting Life
n Toughness n Shock Resistance
n Close Tolerance
Bar Mill & Wire Rod Mill Tooling
Bar Mill & Wire Rod Mills are continuous production lines with Commonly used raw material grades
capacities of few thousand tons to a couple of million Guide Box Rolls- H13 is most common grade for the initial
tons/annum. Each tool/consumable product used in the mill has stands where temperatures are very high. For intermediate &
to be of very high quality as a small breakdown costs hundred of finishing stands, D2 is mostly used.
tons production loss. Being used in hot application and at very
high speeds, tools must withstand high temperatures & must Pinch Rolls- In this application, due to the high speeds, wear
have high degree of wear resistance and toughness. resistance is most important. D2 is mostly used. Powder
metallurgy rolls are also used for very long life.
DeeTee makes a wide range of high quality product for Bar &
Wire Rod Mills for both ferrous & non ferrous applications- Hot Shear Blades- Because of high heat, H13 is the best suited
material. Special 8% Cr tool steel is used for shearing higher
n Guide Box Rolls n Slitter Rolls diameter bars.
n Pinch Rolls n Looper Rolls Cold Shear Blades- H13 being a tough grade, it work well in
n Main Stand Rolls (for Copper/Aluminium wire rod mills) cold shearing upto 20 mm bars. For higher diameters, nickel
n Cold Shear Blades n Hot Shear Blades based special tool steels are used.
Copper/Aluminium Wire Rod Mill Rolls- Due to extremely
high temperatures & Copper/Aluminium being very soft, the
rolls material becomes very critical. Commonly used grade is
H13. DeeTee has developed a special tool steel grade which
gives much higher wear & adhesion resistance at such high
temperature compared to H13.
 GLOBAL PRESENCE!

Colombia
Senegal

Our Global Representatives

Countries we export to

28/33, Pologround Industrial Estate,

Indore-452 015 (INDIA).
Phone : (0091-731) 429 6777
E-mail : deetee@deeteegroup.com

www.deeteegroup.com