Different Material Grade High Speed Steel Mill Roll for Steel Industry Hot Rolling

Product Description

Product Description
Brief Introduction of HSS Roll for slitting Stand
HBW Slitting High-Speed Steel is a specialized high-speed steel material designed by our company for use in the slitting rolling process in steel production. It is widely used in the metallurgical industry for manufacturing split rolling tools, such as split rolls .
Its core features include high hardness, excellent wear resistance, and the ability to withstand the high-temperature and high-pressure conditions of slit rolling.

Product Parameters
Physical Parameter

	Normal	Enhanced	High Strength	Slitting	Dogbone
Roll Specification	Ø280 - Ø850
Density	7.6 g/cm³	7.8 g/cm³	8 g/cm³	7.6 g/cm³	7.6 g/cm³
Casting	Centrifugal Casting
Heat Treatment	HBW Patented
Hardness	General: 82-89HSD Different range based on stands73-77HSD			73-77HSD	79-83HSD
Hardness Drop	≤3HSD
Rolling Temperature	780ºC-1100ºC
Pass Life	4-5 times than CI Rolls	1.3 tims than HSS Normal	1.5 tims than HSS Normal	24-32 hours Continue Rolling (2-3 times than High-boron Rolls)
Dressing	1.0-1.5mm
Use Periods	8-10 Cycles
Application	Intermediate and Finishing stands in bar mill Fours stands before pre-finishing stands in wire mill Hot strip and plate steel working rolls Section steel universal mill			Slitting stand in bar mill	Dogbone stand in bar mill

Physical Properties

Properties	Barrel	Core
Tensile Strength(N/mm²)	≥700MPa	≥450MPa
Compressive Strength	≥2500MPa

Chemical Analysis (Proportion differert based on HSS Grade)
HSS Roll for Slitting Stand

Material

HBW Patented Chemical Composition (%)

HSS Normal

C

Si

Mn

Cr

Ni

Mo

V

W

P & S

Nb

Co

Others

1.5-2.10

0.2-1.0

0.30~1.0

3.00~ 5.00

0.50~ 1.0

2.5-4.5

2.0-4.0

1.0-3.0

≤0.03

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Material	HBW Patented Chemical Composition (%)
HSS Enhanced	C	Si	Mn	P,S	Cr	Ni	Mo	V	W	Nb	other
	1.5~2.1	0.2~1.0	0.3~1.0	≤0.03	4.0~6.0	0.5~1.5	3.0~6.0	3.0~5.0	2.5~5.0	≤0.5	≤1.0

Material	HBW Patented Chemical Composition (%)
HSS High Strength	C	Si	Mn	P,S	Cr	Ni	Mo	V	W	Nb	other
	1.5~2.1	0.2~1.0	0.3~1.0	≤0.03	4.0~6.0	0.5~1.5	4.0~6.0	4.0~6.0	3.0~5.0	≤1.0	≤1.0

1. Material Characteristics
Slitting high-speed steel rolls are made from HBW patented high-speed steel containing high-alloy elements such as tungsten (W), molybdenum (Mo), vanadium (V), and chromium (Cr). Key characteristics include:
• High Hardness and Red Hardness: Maintains surface hardness of HSD73-78 or above even under high-temperature conditions.
• Excellent Wear Resistance: The hard particles and refined grain structure of high-speed steel significantly enhance wear resistance.
• Thermal Fatigue Resistance: Adapts to high-temperature and thermal cycling environments, reducing the risk of surface cracking and spalling.
• Good Toughness: Sufficient strength and toughness to withstand high loads and impacts during rolling.
2. Key Performance Features
• Wear Resistance: Performs well under high-speed and heavy-load conditions, ensuring a long service life.
• Thermal Stability: Maintains dimensional stability and efficient performance even at temperatures of 900-1050°C.
• High Precision: High machining accuracy ensures consistent dimensions during multi-line slitting rolling.
• Low Replacement Frequency: Reduces downtime and increases production efficiency.
3. Advantages of HSS Rolls for Slitting Stands
• Durability: The ability to withstand high temperatures and pressures extends the life of the roll, making it more cost-effective over time.
• Precision: HSS rolls help ensure that the dogbone profiles produced meet exact specifications in terms of dimensions and surface finish.
• Energy Efficiency: The durability and resistance to wear allow for a more stable and efficient production process, reducing the need for frequent replacements and downtime.
Detailed Photos

Company Profile
Anhui Huanbowan High Speed Steel Mill Roll Co., LTD


Anhui Huanbowan High Speed Steel Mill Roll Co., Ltd. is China's earliest and largest enterprise specializing in the production of high-speed steel (HSS) rolls and rings. Founded in 2007, we cover an area of approximately 70,000 square meters and has more than 300 employees, including more than 30 experienced intermediate and senior technical experts.
Through the adoption of cutting-edge manufacturing process, including the precision of centrifugal casting and advanced technology of heat treatment, HBW consistently delivers products of unparalleled quality. Our HSS series products are renowned for their outstanding attributes, offering remarkable wear resistance, enduring thermal fatigue, and a prolonged service lifespan that sets them apart in steel industry.
Our high-performance rolls find extensive application across hot rolling production lines, especially in the crucial finishing stands. They are indispensable in fabricating an array of materials, from rebar and structural steel to seamless steel, strip steel, high-strength alloys, and even stainless and special steels. The versatility and reliability of HBW rolls make them an ideal choice for steel mills aiming to achieve excellence in material production.
At the core of HBW's philosophy is a steadfast commitment to innovation and quality. We promise to deliver rolls that not only possess uniform hardness and a pristine surface finish but also boast a long service life. By choosing HBW, customers are empowered to elevate their production efficiency and significantly cut down on operational costs.
The prestigious HBW products have been the choice of leading steel manufacturers across the globe. Their consistent performance and unparalleled reliability have earned them a coveted reputation, both domestically and internationally, as the benchmark of excellence in the steel industry
Packaging & Shipping


1 Two Casting Lines
2. Two Heat Treatment Lines

3. Two HSS Roll & Two HSS Ring Processing Lines

4. 1 Professional Physical and Chemical Center

Certificates & Honors
1.Perfect Management System &10 Invention Certificates and 16 Utility Model Patents


2.Honors Awarded by Government & Our Distinguished Customers

Our Partners and Market

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