GEM

ISRO Department Of Space Wrought Aluminium Alloys Bars Tender IS 733 2025

Posted

23 Oct 2025, 09:59 am

Deadline

06 Nov 2025, 11:00 am

Location

THIRUVANANTHAPURAM , KERALA

Progress

Issue23 Oct 2025, 09:59 am
AwardPending
Explore all 4 tabs to view complete tender details

Quantity

35

Bid Type

Single Packet Bid

Key Highlights

  • • IS 733 compliance for wrought aluminium and aluminium alloys bars
  • • IS 3965 dimensional tolerances; diameter, width across flats
  • • BIS licence and ISI/type test certificates required
  • • Material Test Certificate to accompany supply
  • • Functional Service Centre in consignee state or Establish within 30 days
  • • Dedicated toll-free service line and escalation matrix
  • • 25% quantity option clause during contract and extended period
  • • GST as per actuals; payment terms defined in contract

Categories 1

RODS

Tender Overview

The Indian Space Research Organization (ISRO), Department Of Space, is inviting bids for the supply of wrought aluminium and aluminium alloys bars, rods, and sections compliant with IS 733 (Grade Q3). The scope is limited to the procurement of raw aluminium products, with specific geometric and designation requirements, including heat-treatable alloys and IS 3965 dimension tolerances. The purchaser emphasizes material tests and BIS/type certificates, with a potential quantity adjustment of up to 25% and a delivery timeline linked to the original delivery schedule. The tender highlights a need for proven supplier capabilities, on-site or carry-in warranty arrangements, and a dedicated service framework to support post-award requirements. Location details are not specified in the tender data, signaling a national-level procurement through GEM. The unique emphasis on material integrity, standard conformance, and post-sales support differentiates this tender from generic metal supply opportunities.

Technical Specifications & Requirements

  • Product category: Wrought Aluminium and aluminium alloys bars, rods, and sections (General Engineering Purposes) as per IS 733 (Q3)
  • Shape/Designation/Condition: Wrought aluminium alloys, heat-treatable forms, and designation specifics as per tender; focus on material condition and peripheral grain growth controls (maximum specified in mm for extruded sections)
  • Dimensions (IS 3965): Diameter of rod (mm), width across flats for hexagonal/square bars (mm), thickness/width of suction (if applicable)
  • Standards/Certificates: BIS licence, type test certificates, and OEM/approval certificates; Material Test Certificate to accompany supply; IS 733 compliance; IS 3965 dimensional references
  • Quality Assurance: Buyer’s lab to verify material; reliance on lab results for acceptance; service centers in consignee state or establishment within 30 days of award; dedicated service support with toll-free numbers and escalation matrix
  • Tender Scope: Supply only; no installation; option clause allows ±25% quantity variation; delivery schedule tied to original delivery period with adjustments

Terms, Conditions & Eligibility

  • EMD & Payment: EMD details not specified; GST payable per actuals with cap at quoted rate; payment terms to be defined per contract terms
  • Delivery: Option clause enables quantity variation up to 25%; delivery period analytics based on last date of delivery order with minimum 30 days extension if required
  • Service & Support: Functional service center requirement within each consignee state (30 days post-award if not existing); dedicated toll-free service line; explicit escalation matrix
  • Documentation: Mandatory submission of BIS licence, type test certificates, and material test certificates; upload of all prescribed certificates and documents; failure to upload may lead to rejection
  • Warranty: On-site or carry-in warranty depending on product; service centers must be operational; evidence required for service readiness
  • Eligibility: Compliance with product standards (IS 733, IS 3965), material test verification, and ability to supply with required certifications; supplier must demonstrate capacity to meet post-award service obligations

Key Specifications

  • Product category: Wrought aluminium and aluminium alloys bars, rods, sections per IS 733 (Q3)

  • Dimension references: Diameter of rod (mm), Width across flats for hex/square bars (mm)

  • Heat-treatable alloys with specified condition criteria

  • Maximum peripheral grain growth limits for extruded sections (mm)

  • IS 3965 compliant dimensions and tolerances

  • Material Test Certificate accompanying each supply

  • BIS licence and ISI/type test certificates required

Terms & Conditions

  • Quantity may be increased/decreased by up to 25% during contract

  • Supply-only scope; service centers required; post-sale support documented

  • Material must pass Buyer’s laboratory tests for acceptance

Important Clauses

Payment Terms

GST payable per actuals; payment terms to be specified in contract; quotes must reflect applicable GST

Delivery Schedule

Delivery time anchored to original delivery order; option clause may extend delivery with minimum 30 days, depending on quantity variation

Penalties/Liquidated Damages

LD provisions to be defined in contract; material testing acceptance governs release of payment and penalties

Bidder Eligibility

  • Proven track record supplying aluminium bars/rods per IS 733

  • Yes to BIS licence and type test certificates

  • Ability to establish or evidence functional service center in consignee state within 30 days

Technical Specifications 1 Item

Item #1 Details

View Catalog
Category Specification Requirement
Item Item Wrought Aluminium And Aluminium Alloys Bars
Material Material Aluminium Alloy
Shape, Design Shape of Wrought Aluminium And Aluminium Alloys Square Bars
Shape, Design Designation of Aluminium And Aluminium Alloys 63400
Shape, Design Condition of Aluminium And Aluminium Alloys W
Shape, Design Heat-Treatable Aluminium / Aluminium Alloys Yes
Shape, Design Maximum Allowable Peripheral Grain Growth on Extruded Section (in mm) 0.2
Dimension As Per IS 3965 Diameter of Rod (In MM) NA
Dimension As Per IS 3965 Width Across Flats of Hexagonal / Square Bars (In MM) 12
Dimension As Per IS 3965 Thickness of Regular Suction 5
Dimension As Per IS 3965 Width of Regular Suction 50

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Required Documents

1

GST Registration certificate

2

PAN card

3

Experience certificates showing relevant supply of aluminium alloys

4

Financial statements (as applicable)

5

EMD submission proof and payment details

6

BIS licence and ISI/type test certificates

7

Material Test Certificate to accompany supply

8

OEM authorizations or approvals as prescribed

9

Technical bid documents and any AtC/Corrigendum-compliant certificates

Frequently Asked Questions

How to bid for ISRO wrought aluminium tender in India 2025

Bidders must meet IS 733 compliance, provide BIS licence and ISI/type test certificates, and attach Material Test Certificates with the bid. Include GST registration and evidence of service capability, with a clear delivery plan and option clause handling up to 25% quantity variation.

What documents are required for aluminium tender submission in India

Submit GST certificate, PAN card, BIS licence, type test certificates, Material Test Certificate, OEM authorizations if applicable, financial statements, and experience certificates. Ensure all certificates align with IS 733 and IS 3965 dimensional requirements and are uploaded with the bid.

What are the technical specifications for IS 733 compliant aluminium

Specifications require wrought aluminium alloys adhering to IS 733 (Q3), heat-treatable forms, and dimension controls per IS 3965. Include diameter (mm) and width across flats for hex/square bars, with grain growth limits for extruded sections as specified by the tender.

When is delivery expected under the option quantity clause

Delivery timelines depend on the last date of the original delivery order. If the option clause is exercised, additional time is calculated as (increased quantity ÷ original quantity) × original delivery period, with a minimum of 30 days; extension possible up to original delivery period.

What are the service center requirements for aluminium supply

Bidders must have a functional Service Centre in the state of each consignee location for carry-in warranty or establish one within 30 days of award; payment release follows documentary evidence of the service center's operation.

What standards and certifications are mandatory for evaluation

Mandatory certifications include BIS licence, ISI/type test certificates, and Material Test Certificate. Supplier must demonstrate IS 733 compliance and provide proposed delivery and warranty terms; non-submission leads to bid rejection.

What are the GST and payment terms for this procurement

GST will be reimbursed per actuals or applicable rates, whichever is lower, subject to quoted GST. Payment terms will be specified in contract; vendors must provide GST details and ensure upfront cost calculations reflect applicable GST.