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Hardened Bush

Elparindustries logo
Elparindustries
Manufacturer, Contractor, Trader, Exporter — Pune, Maharashtra, India · Replies in ~24–48 hours
FIEO Registered Export Ready
Price on request In stock
MOQ: 1 Piece
Lead time: On request
GST invoice
Origin: India
Export ready
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Export Snapshot
Minimum order
1 Piece
HSN Code
87169010
Origin
India
Lead time
On request
Port of dispatch
On request
Packaging
Standard export packaging
Shelf life / storage
As per product specification
Export markets served
India flag IN
Ability to customise
As per OEM brief
Values shown are for Elparindustries.
EEPC REGISTRATION CERTIFCATE
Company Elparindustries
Elparindustries logo
Elparindustries

Registered address: PUNE, MAHARASHTRA, India. Industry: Others › Other.

FIEO Registered
View profile →
Established
Not shared
Employees
–
GST
27ANGPS2324G1Z1
IEC code
Not shared
Export markets
India flag IN
Member since
May 2021
Turnover
$250,000 - $1 MM
Incorporation type
On request
Product details

Industrial Applications and Buyer Workflows

Hardened Bush components are applied in rotating shafts, pivot points, and sliding guides where wear resistance improves service intervals. Use-cases include equipment rebuilds, replacement part programs, and OEM integration where tolerance and fit are essential for longevity.

Manufacturing and Quality Control

Manufacturing routes may include turning to nominal dimension, hardening to specified depth, and finish honing to final bore tolerance. Inspection focuses on hardness profile and dimensional conformity. Process controls ensure repeatability for batch orders and provide traceable inspection records.

Ordering and Delivery

Commercial volume procurement is supported. Lead time depends on heat-treatment cycle and post-process finishing. Packaging protects bore and OD surfaces to ensure parts arrive ready for assembly. Buyers should specify fit class and hardness requirement when ordering.

Frequently Asked Questions

  • Can the bush be supplied to a specific hardness and fit class? Yes. Specify target hardness and interference/clearance fit and production will include corresponding process and inspection steps.
  • Which production methods are used to achieve hardness? Typical methods include induction hardening or case carburizing followed by finish machining as required.
  • What inspection evidence is provided? Dimensional inspection and hardness profile records are provided to support incoming verification.
  • How does order volume affect lead time? Heat-treatment capacity and finishing workload influence lead time. Larger repeat orders enable scheduled runs that reduce turnaround.
Description provided by Elparindustries.

High-carbon steel (20MnCr5, 52100), alloy, or tool steel

Induction or through-hardening for surface hardness of HRC 58–64

High wear resistance with tough ductile core

Straight, flanged, headed, and shouldered (locating) bushings

Ground and polished inner diameter for precision fits

ID range from 10 mm to 200+ mm, length customizable

ISO H7/h7 or as per customer specification

Black oxide, phosphate, anti-rust oil

Die sets, automotive suspension and steering, construction equipment, hydraulic cylinders

DIN 9831, ISO 9448, ISO 9001, IATF 16949 certified supply available

Specifications
Base Material
Alloy or carbon steel (e.g., 20MnCr5, 52100)
Surface Hardness
HRC 58–64
Case Depth
0.8–2.5 mm (customizable)
Dimensions
ID 10+ mm; length per custom application
Tolerance Grade
ISO H7/h7
Surface Finish
Ground & polished inner diameter; outer diameter ground or precision-turned
Forms Available
Straight, flanged, headed, shouldered
Heat Treatment Method
Induction or through-hardening
Optional Coatings
Black oxide, phosphate, anti-rust oil
Supply Options
OEM, bulk orders, custom CAD drawing-based manufacturing
Compliance
DIN 9831, ISO 9448, ISO 9001, IATF 16949 certified
Use cases
Category
Industrial Components > Bearings & Bushings > Hardened Steel Bushings
Primary application
Brand
Product type
Product
Logistics & handling
Lead time
On request
Packaging
As per buyer requirement
Storage condition
As recommended by supplier
Origin
India
Form
As listed by supplier
Commercials Elparindustries
Minimum order
1 Piece
Lead time
On request
Payment terms
As per negotiated commercial agreement
Frequently asked by buyers
What materials are used to manufacture the hardened bush for high-load applications?

Hardened bushes are typically made from high-carbon steels such as 20MnCr5 or 52100, alloy steels, or tool steels, optimized for wear resistance and load capacity.

What heat treatment process is applied to these hardened bushes to achieve durability?

These bushes undergo induction or through-hardening heat treatments to develop a surface hardness between HRC 58 to 64 while maintaining a tough, ductile core.

What types of hardened bushes are available and how do they differ?

Available types include straight, flanged, headed, and shouldered bushes, each providing different mounting and locating options tailored to specific mechanical assembly requirements.

How tight are the machining tolerances on the hardened bush inner diameter?

Hardened bushes are precision-ground with inner diameter tolerances conforming to ISO H7/h7, ensuring tight fits and reliable performance in critical applications.

Are these hardened bushes suitable for corrosive environments?

Yes, optional stainless steel versions and protective coatings such as black oxide or phosphate treatments can be applied for enhanced corrosion resistance.

Can customized sizes or non-standard designs be produced?

Yes, manufacturing can be customized based on customer CAD drawings, with size ranges typically from 10 mm ID upward and configurable lengths and features.

What are common industrial applications where hardened bushes are used?

They are widely used in automotive suspensions, die sets, construction machinery pivots, agricultural equipment joints, and hydraulic cylinder wear sleeves.

Question not answered? Sellers typically reply within 24–48 hours.

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