CONTRACTOR QUESTIONS
Updated
A PDF document (130 KB) attached to Aluminum Bar, from the Department of the Army. Due Nov 13, 2026, 10:00 AM (UTC-6).
File name: CONTRACTOR QUESTIONS.pdf
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CONTRACTOR QUESTIONS/ANSWERS W519TC27QA033
Q1. The CLIN identifies the product as aluminum bronze round bar, while the material specification references AMS-QQ-A-200/3, G-2, 2024-T4. Could you please confirm whether the intended material is 2024-T4 aluminum alloy round bar rather than aluminum bronze?
We want to ensure our quotation and supplier certifications match the government's exact requirements.
A1. The intended material is 2024-T4 aluminum alloy round bar. Q2. We are currently reviewing RFQ 26-143779 for the 3.500-inch aluminum round bar and would appreciate your help clarifying a few technical requirements before we finalize our quotation.
During our review, we noticed some differences in the specifications and would like to make sure we offer the correct material.
A. Material Temper
Page 6 specifies Aluminum 2024-T4, while Page 8 references TP-351. Our supplier has offered 2024-T3511.
Could you please confirm which temper is required, what TP-351 refers to, and whether 2024-T3511 would be acceptable?
B. Material Description
Could you also clarify what G-2, G-2024, and ALU, BRO refer to in the specifications?
C. Material Specifications
Please confirm the applicable revision of AMS-QQ-A-200/3 or QQ-A-200/3, along with any specific manufacturing, mechanical, dimensional, or testing requirements.
D. Supplier Certification
Our supplier has indicated that the mill is AS9100 certified and that material certifications and test reports are available. However, the distributor does not have AS9120 or certified ISO 9001 QMS. Would this be acceptable, or are these distributor certifications mandatory?
E. Alternative Material
If 2024-T3511 is not acceptable, could you please confirm the exact material temper and specification required for the 3.500-inch diameter round bar in one continuous 12-foot length?
We want to ensure that our quotation meets all requirements and avoid
offering material that may not be acceptable.
A2. If the distributor does not have AS9120 or certified ISO 9001 QMS then no we cannot use them. Mill must be AS9100 and distributor or supplier must have AS9100, AS9120, or certified ISO 9001 QMS
Q3. Temper: page 6 lists "2024-T4" and page 8 lists "TP-351". Could you please confirm the required temper, and whether extruded 2024-T3511 to AMS-QQ-A-200/3 would be acceptable?
A3. It seems the Temper 3511 is the standard for SAE AMS-QQ-A-200/3. Yes, extruded 2024-T3511 to SAE AMS-QQ-A-200/3 would be acceptable. Q4. Designation: could you please confirm what "G-2" (page 6) and "G-2024"
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