APPLICATION & COMPONENTS

Mill maintenance & replacement

Prepare repeat or replacement enquiries using approved drawings and part-specific acceptance requirements.

Steel Mills & Metallurgy

Locate the part.
Define the requirements.

Select a component group below.

Organize the work by component identity, drawing revision, material, mating condition and delivery form. Agree the records needed to link each batch to its acceptance.

Generated images illustrate the context and component categories. They are not Zhiren project photographs or engineering drawings.

Select a group. Identify your part.

Choose a component to view its function, material candidates and drawing requirements.

Illustrative component locations: Adjustment nut blanks

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Screw-down nut blank

Load-carrying nut around a mill screw-down or roll-gap adjustment screw.

Provides the blank for the specified adjustment nut and its agreed machining operations.

Manufacturing & delivery form
Block or cylindrical casting blank with agreed premachining; finished threads specified separately.

Blank supply does not establish adjustment-system accuracy. C86300 remains a material candidate until approved for the actual nut, load and lubrication conditions.

Material candidates

UNS C86300 Manganese brass / manganese bronze

Candidate for specified heavily loaded sliding parts and nut blanks.

A high-strength brass family, not tin bronze. Confirm the counterface and lubrication; no universal wear-life claim applies.

UNS C95400 Aluminium bronze

Candidate for drawing-defined loaded sliding and wear components.

Review mating material, lubrication and supply condition. C95400 and C95800 are distinct grades.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Nut definition: Body envelope, weight estimate, thread design and engagement.
Mating screw: Screw material, thread form, alignment and specified backlash.
Load & lubrication: Adjustment loads, cycle, lubricant and actual part temperature.
Machining plan: Stock allowance, datums, thread-machining responsibility and inspection.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Block or cylindrical casting blank with agreed premachining; finished threads specified separately.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Replaceable sliding faces

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Slipper pad

Replaceable contact pad in a specified mill sliding or drive interface.

Provides the drawing-defined sliding contact surface between mating parts.

Manufacturing & delivery form
Near-shape casting or plate blank with agreed machining.

Slipper location and geometry depend on the mill design; one illustrative position does not apply to every mill.

Material candidates

UNS C86300 Manganese brass / manganese bronze

Candidate for specified heavily loaded sliding parts and nut blanks.

A high-strength brass family, not tin bronze. Confirm the counterface and lubrication; no universal wear-life claim applies.

UNS C95400 Aluminium bronze

Candidate for drawing-defined loaded sliding and wear components.

Review mating material, lubrication and supply condition. C95400 and C95800 are distinct grades.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Pad geometry: Profile, thickness, contact contour and mounting holes.
Mating contact: Counterface material, contact area and required surface finish.
Movement & load: Contact pressure requirement, travel, direction and operating cycle.
Lubrication & temperature: Lubricant, feed features and actual part temperature.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Near-shape casting or plate blank with agreed machining.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Bearing & pressure parts

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Bearing segment

Specified local sliding support or bearing contact within mill equipment.

Provides the defined curved or flat bearing-contact segment.

Manufacturing & delivery form
Block or semicircular casting blank with agreed contact-surface machining.

Specify the actual bearing configuration and approved alloy. C95400, C93200 and C93700 are separate candidates requiring review of load, counterface and lubrication.

Material candidates

UNS C95400 Aluminium bronze

Candidate for drawing-defined loaded sliding and wear components.

Review mating material, lubrication and supply condition. C95400 and C95800 are distinct grades.

UNS C93200 Leaded tin bronze

Candidate for lubricated bushings, bearings and thrust interfaces.

Contains lead. Confirm load, speed, shaft condition and lubrication; no dry-running capability is implied.

UNS C93700 High-leaded tin bronze

Candidate for specified lubricated bearing interfaces.

Contains lead. Higher lead content does not establish a suitable load capacity; confirm the equipment specification.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Bearing profile: Contact contour, radius or flat geometry, thickness and mounting.
Counterface: Shaft material, hardness, surface finish and bearing clearance.
Bearing duty: Load, speed, contact distribution and actual temperature.
Lubrication: Lubricant, oil-film or other specified arrangement and groove layout.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Block or semicircular casting blank with agreed contact-surface machining.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Conceptual part illustration

COMPONENT GUIDE

Roll-neck / auxiliary bushing

Roll-neck or auxiliary shaft support with an approved bronze-bushing design.

Provides a specified sleeve-bearing interface around the relevant shaft.

Manufacturing & delivery form
Cast tube or sleeve blank with agreed machining; large-component route requires review.

Roll-neck bearing systems may use rolling elements, composites or other designs. Assess these candidates only where the approved drawing specifies a bronze bushing.

Material candidates

UNS C93200 Leaded tin bronze

Candidate for lubricated bushings, bearings and thrust interfaces.

Contains lead. Confirm load, speed, shaft condition and lubrication; no dry-running capability is implied.

UNS C93700 High-leaded tin bronze

Candidate for specified lubricated bearing interfaces.

Contains lead. Higher lead content does not establish a suitable load capacity; confirm the equipment specification.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Bearing identity: Equipment model, bearing type, shaft position and approved drawing.
Sleeve geometry: Bore, outside diameter, length, grooves and fit requirements.
Shaft & duty: Mating shaft condition, load, speed and operating clearance.
Oil & temperature: Lubrication arrangement, oil supply and actual part temperature.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Cast tube or sleeve blank with agreed machining; large-component route requires review.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Conceptual part illustration

COMPONENT GUIDE

Thrust washer / locating ring

Auxiliary shaft or local axial contact within mill equipment.

Provides the drawing-defined axial contact face or locating function.

Manufacturing & delivery form
Ring blank or machining from suitable plate/tube stock; route to be agreed.

A locating ring does not necessarily carry thrust. Name and assess the component according to its actual function.

Material candidates

UNS C93200 Leaded tin bronze

Candidate for lubricated bushings, bearings and thrust interfaces.

Contains lead. Confirm load, speed, shaft condition and lubrication; no dry-running capability is implied.

UNS C95400 Aluminium bronze

Candidate for drawing-defined loaded sliding and wear components.

Review mating material, lubrication and supply condition. C95400 and C95800 are distinct grades.

UNS C86300 Manganese brass / manganese bronze

Candidate for specified heavily loaded sliding parts and nut blanks.

A high-strength brass family, not tin bronze. Confirm the counterface and lubrication; no universal wear-life claim applies.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Ring geometry: Inside/outside diameters, thickness, grooves and locating features.
Contact faces: Flatness, parallelism, finish and mating materials.
Axial function: Locating or thrust duty, load and relative motion.
Lubrication & heat: Lubricant, contact temperature and operating cycle.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Ring blank or machining from suitable plate/tube stock; route to be agreed.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Drive blanks

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Worm wheel blank

Roll-gap adjustment or other drawing-specified bronze worm drive.

Provides the blank for a specified auxiliary transmission wheel.

Manufacturing & delivery form
Cast solid or ring blank with agreed premachining; tooth cutting specified separately.

Confirm blank, pre-machined or finished-wheel delivery. Tooth cutting, gear accuracy and final inspection require explicit agreement.

Material candidates

UNS C90700 Tin bronze

Candidate for gear and worm-wheel blanks.

Confirm the mating gear, lubrication and machining scope. An alloy designation does not establish finished gear accuracy.

UNS C90500 Tin bronze

Candidate for drawing-defined gear blanks and selected lubricated components.

Confirm the governing standard, casting form and duty. C90500 and C90700 are distinct grades.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Blank structure: Hub/rim arrangement, bore, outside diameter and web.
Machining allowance: Datums, turning allowance and downstream tooth-machining scope.
Mating drive: Worm definition, connection geometry and counterface material.
Operating conditions: Load, speed, lubricant and required hardness condition.
Material & acceptance: Specified alloy and standard, supply condition, drawing revision, quantity, inspection criteria and required records.
Supply form: Cast solid or ring blank with agreed premachining; tooth cutting specified separately.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

All component guides in this application 10 component entries

Open a guide directly, including parts from the other equipment groups.

Screw-down nut blankComponent guide

Housing nut blankComponent guide

Slipper padComponent guide

Chock wear plateComponent guide

Bearing segmentComponent guide

Worm wheel blankComponent guide

Downcoiler wear linerComponent guide

Pressure blockComponent guide

Roll-neck / auxiliary bushingComponent guide

Thrust washer / locating ringComponent guide

FURTHER GUIDANCE

Prepare the technical RFQ.

Alloy reference

Review tin-bronze grades.

Compare reference grades and composition in the alloy catalogue. Use the approved component specification to determine the required alloy and service suitability.

Explore the alloy reference

Mill maintenance & replacement

Locate the part.Define the requirements.

Select a group. Identify your part.

Prepare the technical RFQ.

Review tin-bronze grades.

Locate the part.
Define the requirements.