Table A1.
Modelling Choice of inventory flow estimated.
| LC step | Inventory flow | Ecoinvent Database Association |
|---|---|---|
| Up-Stream | Metal alloy: ASTM A182 F22 | Raw material impact according to Ref. [46] with percentage of recycled material according to Ref. [47]. |
| Metal alloy: ASTM A705 | ||
| Metal alloy: ASTM A322 | ||
| Forging | Forging, steel {GLO}| market for | APOS, S | |
| Transport | Camion Payload 10t | Transport, truck <10t, EURO4, 100%LF, empty return {GLO} Economic, S |
| Counting ship | Transport, freight, sea, bulk carrier for dry goods {GLO}| market for transport, freight, sea, bulk carrier for dry goods | APOS, S | |
| Electric train | Railway track {GLO}| market for | APOS, S | |
| Manufacturing Cycle |
Electricity | Electricity, medium voltage {IT} market for electricity APOS U |
| Lubricating oil | Lubricating oil {GLO}| market for | APOS, S | |
| Dielectric oil | 27 % of processing environmental impacts [48] | |
| Graphite | Graphite {RER} production APOS, U | |
| Tungsten Carbine | Tungsten carbide powder {GLO}| market for tungsten carbide powder | APOS, S | |
| Compressed air – 6 bar | Compressed air production {RER} 6000 kPa, optimized | |
| Compressed air −7 bar | Compressed air production {RER} 7000 kPa, optimized | |
| Compressed air – 10 bar | Compressed air production {RER} 10000 kPa, optimized | |
| Metal chips (waste) | Open loop recycle with substitution factor 2 % [49] | |
| Exausted oil (waste) | Open loop recycle with substitution factor 70 % [50] |