Custom Rolling Mill Slipper

1: Knowledge of Rolling Mill Slipper

 

In heavy industrial applications, particularly within hot and cold rolling mills manufactured by global leaders such as Danieli and Morgårdshammar, the reliability of individual wear components dictates overall operational efficiency. Among these vital mechanical elements, the rolling mill slipper (frequently referred to in technical engineering drawings as a slipper pad or sliding wear plate ) plays a critical role in maintaining structural alignment, reducing friction under extreme loads, and ensuring continuous production output.

 

 

2: Material Science: Why GS-CuAl11Fe4Ni4 Aluminum Bronze Matters

 

The choice of material for a rolling mill slipper is non-negotiable. Operating environments in metallurgical plants involve massive mechanical loads, high frictional heat, and corrosive scale. The specified aluminum bronze alloy-GS-CuAl11Fe4Ni4 (complying with EN 1982 / UNI 5275)-provides superior metallurgical advantages verified by material testing certificates:

 

• High Tensile Strength & Yield Strength:

Typically exhibiting a tensile strength of ~760 MPa and a yield strength of ~430 MPa, this alloy withstands severe mechanical shock and continuous heavy loads without plastic deformation.

 

• Exceptional Hardness & Wear Resistance:

With an average hardness of ~195 HB, the material provides a low friction coefficient against hardened steel mating surfaces, significantly reducing wear rates.

 

• Corrosion and Oxidation Resistance:

The inclusion of nickel and iron in the copper-aluminum matrix forms a protective, self-healing oxide film, making it highly resistant to industrial lubricants, cooling water, and elevated operating temperatures.

 

Quality Certificate

Product: Copper plate

No:

Heat No.

Material

Size

Weight(kg)

Testing date

Executive standard

SHFY260114

#260428#2-01

CuAl11Fe4Ni4

725*50*10

64.52

2026.04.28

EN1982

SHFY260114

#260428#2-01

CuAl11Fe4Ni4

725*38*10

24.52

2026.04.28

EN1982

Chemical composition %

Mechanical property

No:

Cu

Zn

Mn

Fe

Al

Sn

Ni

Pb

P

Hardness

Tensile Strength

Yield Strength

Elongation

SHFY260114

79.05

0.89

4.21

10.92

4.36

195

760

430

16%

SHFY260114

79.05

0.89

4.21

10.92

4.36

195

760

430

16%

Dimension tolerance

Surface quality

OK

OK

 

3: Production Process

 

 

1. Selecting premium GS-CuAl11Fe4Ni4 aluminum bronze raw materials, ensuring precise chemical composition complies with strict international metallurgical standards and technical requirements.

2. Performing high-precision CNC cutting and milling operations to shape the rolling mill slipper according to exact engineering drawing dimensions and tolerances.

3. Machining specialized oil grooves, countersunk holes, and through holes with exact depth and positioning to guarantee optimal lubrication during operation.

4. Conducting rigorous dimensional inspections and mechanical testing, verifying thickness tolerances, tensile strength, hardness, and surface quality before final packaging.

5. Applying protective anti-corrosion packaging and organizing secure international shipping to deliver flawless replacement parts directly to global steel mill clients.

 

4: Production Advantages

 

1. Utilizing certified aluminum bronze alloy delivers exceptional tensile strength, outstanding wear resistance, and superior durability under extreme heavy industrial operating loads.

2. Advanced CNC machining capabilities ensure strict adherence to OEM specifications, guaranteeing seamless replacement compatibility for Danieli and Morgårdshammar rolling mill systems.

3. Comprehensive quality control procedures, including detailed material test reports and dimensional inspection records, ensure complete reliability and customer satisfaction worldwide.

 

5: FAQ

 

Q1: What is the primary function of a rolling mill slipper in steel production?

A rolling mill slipper serves as a high-performance sliding-wear component in heavy-duty rolling mill machinery. It guides moving parts, absorbs immense mechanical loads, and reduces friction between steel assemblies, thereby protecting expensive primary equipment from abrasive wear and misalignment.

 

Q2: Why is GS-CuAl11Fe4Ni4 aluminum bronze preferred for manufacturing mill slippers?

GS-CuAl11Fe4Ni4 (UNI 5275 / EN 1982) is chosen for its exceptional mechanical properties, including high tensile strength (~760 MPa), excellent hardness (~195 HB), and superior resistance to friction, thermal fatigue, and heavy impact loads typical of metallurgical environments.

 

Q3: Can custom rolling mill slippers be manufactured according to specific OEM drawings?

Yes. Manufacturers specialize in producing custom replacement parts based on exact client engineering drawings (such as Danieli or Morgårdshammar specifications). Precision CNC machining ensures exact tolerances (e.g., thickness tolerances of ±0.05 mm, specific oil groove depths, and hole pitches).

 

Q4: What quality documentation should be requested when purchasing industrial bronze slippers?

Buyers should always request a Material Test Report (MTR) confirming chemical composition and mechanical properties, a comprehensive Dimensional Inspection Report verifying all machining tolerances, and surface quality certifications to ensure full compliance with international standards.

 

Welcome to consult us if you are looking for Rolling Mill Slipper or Rolling Mill spares. Thank you.

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