# TC (Tungsten Carbide) Rings

At Kathuria Techmech, we provide high-quality Tungsten Carbide (TC) Rings, as the perfect solution for steel rolling mills seeking to enhance their operational efficiency, product quality, and cost-effectiveness. By choosing our Tungsten Carbide Rings, you are investing in superior technology that will drive your rolling mill operations to new heights of success. Explore our range of TC rings and experience the difference.

# GENERAL TC RING SERIES

Co-Ni-Cr is used as the bonding phase, with high wear resistance, corrosion resistance and versatility

Grade | Chemical Composition, Wt% | Physical & Mechanical Properties
--- | --- | ---
WC (%) | Co+Ni+Cr (%) | Density g/cm³ ±0.15 | Hardness ≥ HRA ±0.5 | Bending Strength ≥ N/mm2
KTPL08R | 92 | 8 | 14.7 | 88.0 | 2800
KTPL10R | 90 | 10 | 14.5 | 87.5 | 2750
KTPL12R | 88 | 12 | 14.2 | 86.0 | 2700
KTPL15R | 85 | 15 | 14.1 | 85.0 | 2650
KTPL18R | 82 | 18 | 13.7 | 83.5 | 2650
KTPL20R | 80 | 20 | 13.5 | 83.0 | 2600
KTPL25R | 75 | 25 | 13.1 | 82.0 | 2500
KTPL30R | 70 | 30 | 12.7 | 80.0 | 2400
KTPL32R | 68 | 32 | 12.5 | 79.0 | 2400

# HIGH COBALT TC RING SERIES

In High-performance rings series, pure Co is used as the bonding phase. Compared with the general rings, the high-cobalt rings have better strength, toughness and wear resistance, but it has certain requirements for working conditions on the site and cooling water quality.

Grade | Chemical Composition, Wt% | Physical & Mechanical Properties
--- | --- | ---
WC (%) | Co+Ni+Cr (%) | Density g/cm³ ±0.15 | Hardness ≥ HRA ±0.5 | Bending Strength ≥ N/mm2
KTPL06H | 94 | 6 + 0 + 0 | 14.8 | 89.0 | 2580
KTPL08H | 92 | 8 + 0 + 0 | 14.7 | 88.5 | 2600
KTPL10H | 90 | 10 + 0 + 0 | 14.5 | 88.0 | 2700
KTPL15H | 85 | 15 + 0 + 0 | 14.1 | 85.0 | 2700
KTPL20H | 80 | 20 + 0 + 0 | 13.5 | 83.0 | 2700
KTPL25H | 75 | 25 + 0 + 0 | 13.1 | 81.5 | 2550
KTPL30H | 70 | 30 + 0 + 0 | 12.7 | 80.0 | 2500
KTPL32H | 68 | 32 + 0 + 0 | 12.5 | 78.5 | 2400

Note: Typical physical & mechanical properties are listed with the variation range in accordance with the relevant national and industry standards. Relevant parameters are for reference only.

# TC Rings without Grooves

# TC Rings with Grooves

# TC With Notched Grooves

# COOLING ARRANGEMENT OF TC RINGS

The parameters of the cooling water pressure and flow rate for traditional high-speed finish rolling rings are as follows:

The Control Range of pressure: 0.4 – 0.6 Mpa

The water pipe should be properly installed to ensure a radial spray, with an angle of 15-30 degrees to the roller rotation direction. Approx. 30% of the water flow should come from the hot steel exit. The distance of nozzle and carbide rings should be 150-250 mm, the water should be jetted directly into the grooves, with the width of the water stream, twice of groove width. The water stream should not be scattered or sprayed as mist.

## The following table shows water flow rate

Groove width (mm) | <12 | 12-24 | 24-36 | 36-50
--- | --- | --- | --- | ---
Water flow rate (m3/stand ·hour) | 18 | 20 | 22 | 25

## The following table shows water volume:

Binder content (%) | 6 | 10 | 15 | 20 | 25 | 30
--- | --- | --- | --- | --- | --- | ---
Water volume (L/groove width mm*minute) | 56 | 48 | 40 | 32 | 24 | 16

## Water quality requirements

Water PH value : 7.5≤PH≤7.8
PH≥7.2 : KTPL H Series
PH<7.2 : KTPL R Series
The content of solid particles in the water to be ≤ 15 mg/L, the biggest size ≤40um.
Water temperature ≤ 35 ℃

## The following table shows cooling water composition requirements

Composition | Chloride | Ca+ | Sulfate | Suspended substance
--- | --- | --- | --- | ---
Quantity (mg/L) | ≤ 40 | ≤400 | ≤75 | ≤ 15

## Contact Us

A-7/116, S.S.G.T. Road, Industrial Area
Ghaziabad - 201009 (U.P.), India.
kathuriatechmech@gmail.com, info@kathuriatechmech.com
+91 9711466783, +91 7719617471
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