Tungsten Carbide Rings and Composite Rolls

Vulcan Metal  provides tungsten carbide ring and composite roll solutions tailored to specific needs of steel mills through our manufacturing partners. We offer an extensive range of grades with optimal quality.

The quality management system of our partners is certified to ISO 9001:2015 in full compliance with global industry requirements.

Vulcan Metal  strives to create value and make a difference through precise grade selection based on our expertise and knowledge.

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Vulcan Metal's  tungsten carbide product range includes composite rolls for demanding rolling conditions. 

Composite rolls contribute greatly to maximizing mill output owing to the combined advantages of durable forged steel shaft and the high wear resistant tungsten carbide rings.

The barrel diameter of the roll can go up to 470 mm. 

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Tungsten Carbide Grades

Vulcan Grade  Co+Ni
% 		WC
% 		Density (g/​cm³) Hardness (HRA) Transverse Rupture Strength (≥Mpa) Compressive Strength
(≥Mpa) 		Thermal Conductivity
(sec/℃) 		Elasticity
(KN/mm²)
VMC-1A 6 94 14,75 88 2.500 4.000 0,22 580
VMC-1B 6
 94 14,90 88 2.500 4.300 0,21 600
VMC-1C 6 94 14,90 88 2.600 4.300 0,21 630
VMC-2A 8
 92 14,70 88 2.850 4.100 0,22 580
VMC-3A 10
 90
 14,35 87 2.500 3.900 0,21 560
VMC-3B 10 90 14,50 86 2.800 3.900 0,22 560
VMC-3C 10 90 14,50 87 3.000 4.100 0,22 580
VMC-4A 13 87 14,20 85 2.700 3.700 0,21 550
VMC-4B 13 87
 14,15 86 2.700 3.900 0,21 570
Vulcan Grade  Co+Ni
% 		WC
% 		Density (g/​cm³) Hardness (HRA) Transverse Rupture Strength (≥Mpa) Compressive Strength
(≥Mpa) 		Thermal Conductivity
(sec/℃) 		Elasticity
(KN/mm²)
VMC-5A 15 85 14,00 84 2.700 3.500 0,20 530
VMC-5B 15
 85 14,00 85 2.700 3.800 0,20 550
VMC-5C 15 85 13,80 86 2.800 3.500 0,20 530
VMC-6A 18
 82 13,70 83 2.600 3.300 0,20 490
VMC-6B 18
 82
 13,75 83 2.800 3.500 0,20 530
VMC-7A 20 80 13,60 82 2.600 3.100 0,19 480
VMC-7B 20 80 13,60 83 2.600 3.300 0,19 510
VMC-7C 20 80 13,30 84 2.800 3.100 0,19 480
VMC-8A 22 78
 13,40 81 2.550 3.000 0,18 460
VMC-8B 22 78 13,40 82 2.700 3.200 0,19 500
VMC-8C 22 78 13,40 82 2.800 3.000 0,18 460
Vulcan Grade  Co+Ni
% 		WC
% 		Density (g/​cm³) Hardness (HRA) Transverse Rupture Strength (≥Mpa) Compressive Strength
(≥Mpa) 		Thermal Conductivity
(sec/℃) 		Elasticity
(KN/mm²)
VMC-9A 25 75 13,10 79 2.400 2.900 0,17 440
VMC-9B 25
 75 13,15 81 2.600 3.100 0,18 480
VMC-9C 25 75 12,75 82 2.800 2.900 0,17 440
VMC-10A 27
 73 12,95 78 2.300 2.700 0,17 420
VMC-10B 27
 73
 12,95 81 2.300 3.000 0,17 440
VMC-11A 30 70 12,80 77 2.200 2.600 0,17 300
VMC-11B 30 70 12,70 79 2.400 2.800 0,16 430
VMC-11C 30 70 12,70 79 2.500 2.800 0,16 430
VMC-11D 30 70
 12,30 81 2.800 2.600 0,16 420
VMC-11E 30 70 12,70 79 2.500 2.800 0,16 430

Mill Categories and Applications

Bar Mills Intermediate Rolls
Bar & Rod Mills Prefinishing Rolls
Merchant Mills Leader Rolls
Rod Mills Finishing Rolls
Block Mills KOCKS Rings
Stainless Steel Mills Pinch Rolls
Super Light Section Mills Reducer Rolls
Tube Mills Sizer Rolls

Titanium Carbide Guide Rollers

Vulcan Metal   provides sintered titanium carbide guide rollers designed for demanding wear-resistant applications in hot rolling mills.

Thanks to its low density, excellent wear and oxidation resistance, coupled with fair thermal resistance, TiC guide rollers are the optimal material for cassette guide rollers.

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