For the Supply and Delivery of Heat Treatment of Castings to Transnet Engineering Foundry Business in Koedoespoort on an ‘as and When’ Required Basis for a Period of Five (5) Years

TE/2026/03/0002/113907/RFP

2026-03-26 10:00

Tender Closed on: 2026-04-21 16:00

Casting, Moulding and Forging, Metal Treatment, Hardening, Annealing, Nitriding, Plating

Gauteng, Pretoria

Transnet SOC Ltd

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Tender Number: TE/2026/03/0002/113907/RFP
Department: Transnet SOC Ltd
Tender Type: Request for Proposal
Province: Gauteng
Closing Date: Tuesday, 21 April 2026 - 16:00
Place where goods, works or services are required: Foundry Koedoespoort, - COR CRESSWELL AND KOEDOESPOORT RDS KOEDOESPOORT - Pretoria - 0186
Special Conditions: bidders must arrive 30 minutes before the briefing session starts
ENQUIRIES:
Contact Person: Yolande Adelade Booysen
Email: [email protected]
Telephone number: 051-408-2717
FAX Number: N/A
BRIEFING SESSION:
Is there a briefing session?: Yes Is it compulsory? Yes
Briefing Date and Time: Thursday, 26 March 2026 - 10:00
Briefing Venue:

This tender is also available from www.etenders.gov.za


Tender Summary

Objectives

The primary objective of this tender is to supply and deliver heat treatment services for castings made of AAR M201 Grade E steel to Transnet Engineering Foundry Business. The services are to be provided on an 'as and when' required basis over a period of five (5) years, ensuring that the heat-treated castings meet specified mechanical and hardness properties, with proper documentation and post-purchase support.

Scope

The scope includes the heat treatment of cast components of various sizes, ranging from 5 kg to 300 kg. The bidder must design an optimal heat treatment cycle tailored to the properties specified, and provide test certificates demonstrating compliance with AAR M201 Grade E steel standards. The process involves austenitizing, quenching, and tempering, with all batches accompanied by testing keel blocks for certification. The foundry is responsible for transportation, and the supplier must support post-delivery quality assurance and rectification if necessary.

Technical Requirements

  • Heat Treatment Process:
    • Austenitize: Heat above 860°C, hold for >1 hour to refine grains.
    • Quenching: Rapid cooling from above transformation temperature using a suitable liquid medium.
    • Tempering: Reheat to an optimal temperature below transformation range, hold, then cool properly.
  • Mechanical Properties:
    • Tensile strength ≥ 827 MPa
    • Yield strength ≥ 689 MPa
    • Elongation ≥ 14%
    • Reduction in area ≥ 30%
    • Impact energy at -40°C ≥ 27 J
    • Hardness (BH): 241 - 311
  • Testing: Brinell hardness testing on all castings.
  • Documentation: Heat treatment charts, test certificates, and compliance certificates.

Skills Requirements

The supplier must possess:

  • Valid ISO 9001:2015 certification for quality management systems.
  • Proven experience and reference letters from previous clients in heat treatment services.
  • Technical expertise in designing and executing heat treatment cycles for steel castings.
  • Capability to perform mechanical testing and hardness testing accurately.
  • Effective post-purchase support and quality assurance processes.
This summary is AI generated. Download the tender documents for all the information.

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