SATPC0041801 TAB 07 SOW PRINTED.pdf
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- HR-2 additive manufacturing powder Federal contract opportunity
- Solicitation number
- 80NSSC26938234Q
About this file
This is a Scope of Work document for a NASA procurement of HR-2-AM alloy powder (Formulation II Mod 2). The vendor must deliver 500 pounds of NASA HR-2-AM powder within 12 weeks of procurement award.
The powder composition must conform to specified weight percentages for alloying elements, with nickel as the balance element and defined minimum and maximum ranges for iron (29.30-30.70%), chromium (14.90-16.10%), cobalt (3.80-4.20%), molybdenum (2.80-3.20%), tungsten (3.00-3.40%), titanium (2.60-3.00%), and aluminum (0.20-0.30%). Impurity limits are established for sulfur, phosphorus, carbon, silicon, boron, manganese, hydrogen (less than 50 ppm), oxygen (less than 300 ppm), and nitrogen (less than 200 ppm). The particle size distribution must target the range of +325 mesh to 1250 mesh (45 micrometers to +10 micrometers), with particles greater than +325 mesh limited to 1.0 weight percent per ASTM B214 and particles smaller than 10 micrometers limited to 2.0 cumulative volume percent per ASTM B822. The powder must be primarily spherical in shape, free of significant satellite particles, and have smooth surfaces.
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NASA HR-2 Procurement Scope of Work
NASA HR-2-AM Alloy Powder Specification Formulation II Mod 2
1. The HR-2-AM powder (formulation II) shall have composition as shown in Table 1.
Table 1. HR-2-AM Powder Composition Formulation II (weight %)
Element Nominal Minimum Maximum Nickel BAL - - Iron 30.00 29.30 30.70 Chromium 15.50 14.90 16.10 Cobalt 4.00 3.80 4.20 Molybdenum 3.00 2.80 3.20 Tungsten 3.20 3.00 3.40 Titanium 2.80 2.60 3.00 Vanadium - - - Aluminum 0.25 0.20 0.30 Sulfur - - 0.005 Phosphorus - - 0.005 Carbon - - 0.03 Silicon - - 0.05 Boron - - 0.005 Manganese - - 0.05 Hydrogen - - <50 ppm Oxygen - - <300 ppm Nitrogen - - <200 ppm
2. The HR-2-AM powder particle size distribution (PSD) shall target the ranges listed in
Table 2.
Table 2. HR-2-AM Powder Size Requirements.
Powder Mesh or Micron Size Notes HR-2-AM +325 mesh/1250 mesh (45 um/+10 um)
1. Particles greater than +325 mesh per ASTM B214
2. Particles smaller than 10 (um) volume % per ASTM B822
3. HR-2-AM powder shall be primarily spherical in shape, free of significant satellite particles, and have smooth surfaces.
4. Vendor shall deliver 500 lbs. of NASA HR-2-AM within 12 weeks of procurement award.
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