Indian Space Research Organization Hemispherical Forgings Tender 400mm Inconel 718 Destructive Testing 2026

Tender Overview

ISRO, Department Of Space, invites bids for the conversion and supply of 400MM diameter Inconel 718 hemispherical forgings and associated destructive testing charges. The procurement scope emphasizes a highly specialized metal forging with precise diameter, material grade, and testing support. The tender contemplates a potential quantity adjustment of up to 25% during contract execution and allows extension of delivery time under the option clause, with LD and security deposits governed by GeM terms. The work is FOR VSSC delivery terms, aligning with ISRO's aerospace fabrication standards and testing protocols. The estimated value and EMD are not published in the available data, but GST implications and SD/PBG requirements are explicit. The unique value lies in the combination of high-spec forgings and enforceable QA/testing commitments within a government procurement framework.

Technical Specifications & Requirements

• Product name: 400MM diameter Inconel 718 hemispherical forgings
• Scope: Conversion and supply with destructive testing charges included
• Key terms: Option clause enabling up to 25% quantity adjustment; delivery terms FOR VSSC; delivery period adjustments based on calculated formula, minimum 30 days
• Compliance & charges: GST @ 18%; Security Deposit 3% of order value (> Rs 50 lakhs); LD at 0.5% per week up to 5% of order value; consolidated SD cum PBG allowed
• Delivery & payment: Delivery schedule as per GeM terms; payment terms aligned with GeM; any LD beyond promised delivery schedule
• Documentation: SD/PBG formats issued with PO; insurance/surety bonds accepted; no explicit BOQ items provided
• Standards: No explicit standards listed in the data; bidders should anticipate aerospace-grade QA requirements and IS/ISO alignment as per ISRO conventions

Terms, Conditions & Eligibility

• EMD: Not specified in the data; bidders should verify GeM terms for EMD/surety requirements
• Delivery: Normal delivery terms; delivery period aligns with option clause and extended timelines with minimum 30 days base
• Security: 3% SD for orders > Rs 50 lakhs; SD can be combined with PBG for 60 days beyond contract completion
• Taxes: GST @ 18% applicable; HS/CODE specifics to be provided
• Penalties: LD 0.5% per week with max 5% of order value; extreme delays may cap LD at 10% of total order value
• Documentation: OEM authorizations and technical compliance certificates may be required; GeM submission follows standard bidder protocols
• Delivery Location: FOR VSSC delivery terms; installation/commissioning details not specified
• Option Clause: Purchaser may increase/decrease quantity by up to 25%; extended delivery period as per calculated formula