Attachment 0027 - Welding Standards.pdf
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- Solicitation number
- W56HZV21R0185
About this file
This document provides welding standards for a federal solicitation seeking a Cold Weather All-Terrain Vehicle. The solicitation will result in a firm fixed price, commercial requirements contract awarded to a single vendor for production units, spare parts, and contractor logistics support. The contract will have an initial term of five years with two optional one-year extensions for a total potential period of performance of seven years. The vehicle required is an articulated tracked amphibious vehicle capable of operating in Arctic conditions down to -50 degrees Fahrenheit and transportable by sling load. The Department of the Army Materiel Command TACOM Life Cycle Management Command is the contracting agency.
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UNCLASSIFIED
Attachment 0027
Distribution Statement A – Approved for Public Release; distribution unlimited
Welding Standards
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Attachment 0027
1.0 Welding Requirements
1.1 Weld Standards:
Welds shall be free from defects indicative of poor workmanship. All welding shall be in accordance with the following documents listed in Table 1. The edition (year) to be used shall be the year in effect at time of solicitation release date. If new materials are to be used that do not follow the guidelines in the applicable standard in Table 1, then the Contractor is responsible to demonstrate the correct standard to the Procuring Contract Office (PCO) for engineering approval
1.2 Alternate Welding Standards:
Subject to PCO written engineering approval, the Contractor may utilize alternate standards or codes once the Contractor or Contractor's suppliers have demonstrated that equivalent or better quality and performance can be obtained by their use. It is the Contractor's responsibility to demonstrate such equivalence to the Government. If the Contractor's component supplier shall not release specific proprietary information, the Government reserves the right to conduct an on‐site review of the Contractor's supplier(s) quality system and weld processes to verify the capability of producing acceptable welds. The Government reserves the right to approve/disapprove the use of any and all such alternative weld standards and specifications. The demonstrated equivalent shall be verified prior to fabrication of any weldment under Governmental guidance.
1.3 Armor Steel Heat Affect Zone (HAZ) Hardness Test:
When required, materials covered under MIL‐ DTL‐46100, Armor Plate, Steel, Wrought, and High‐ Hardness (HH) or MIL‐DTL‐12560 Rolled Homogenous Armor (RHA) are utilized on the vehicle, the following requirements shall apply for this steel: On any ballistic surface 5/8 inch (15.9mm) from the toe of the weld, at any location of weldment, the Brinell hardness shall not be lower than that permitted minimum hardness requirements if the materials are qualified under MIL‐DTL‐46100 or MIL‐DLT‐12560.
Table 1 Structural Steel American Welding Society (AWS) D1.1
Structural Aluminum American Welding Society (AWS) D1.2
Structural Sheet Metal American Welding Society (AWS) D1.3
Stainless Steel American Welding Society (AWS) D1.6
Titanium American Welding Society (AWS) D1.9
Specification for Automotive Weld Quality – Resistance Spot Welding of Steel
American Welding Society (AWS) D8.1
Specification for Automotive Spot Welding Electrodes
American Welding Society (AWS) D8.6
Recommended Practices for Automotive Weld Quality – Resistance Spot Welding
American Welding Society (AWS) D8.7
Recommended Practices for Test Methods for Evaluating the Resistance Spot Welding Behavior of Automotive Sheet Steel Materials
American Welding Society (AWS) D8.9
Specification for Robotic Arc Welding Safety American Welding Society (AWS) D16.1
Guide for Components of Robotic Arc Welding Installations
American Welding Society (AWS) D16.2
Risk Assessment Guide for Robotic Arc Welding
American Welding Society (AWS) D16.3
Specification for the Qualification of Robotic Arc Welding Personnel
American Welding Society (AWS) D16.4
Specification for Friction Stir Welding of Aluminum Alloys for Aerospace Applications
American Welding Society (AWS) D17.3
Recommended Practices for Resistance Welding
American Welding Society (AWS) C1.1
Armor Steel Ground Combat Vehicle Welding Code –Steel TACOM Drawing Number 12479550 http://contracting.tacom.army.mil/engr/gcv_weldingcodes.htm
Armor Aluminum Ground Combat Vehicle Welding Code – Aluminum TACOM Drawing Number 12472301 http://contracting.tacom.army.mil/engr/gcv_weldingcodes.htm
Section IX qualification standard for welding and brazing procedures, welders, braziers, and welding and brazing operators
ASME Section IX
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