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6757338 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | {
"barrel_materials": [
{"id": "ST52.3", "name": "ST52.3", "description": "Standard seamless steel tube", "hardness_hrc_range": [15, 25]},
{"id": "SAE1026", "name": "SAE 1026", "description": "Carbon steel", "hardness_hrc_range": [15, 22]},
{"id": "AISI1045", "name": "AISI 1045", "description": "Medium carbon steel", "hardness_hrc_range": [20, 30]},
{"id": "E355", "name": "E355", "description": "European standard seamless tube", "hardness_hrc_range": [15, 25]},
{"id": "custom", "name": "Custom", "description": "Custom specification"}
],
"barrel_treatments": [
{"id": "honed", "name": "Honed", "surface_finish_ra_range": [0.2, 0.4]},
{"id": "skived_burnished", "name": "Skived & Burnished", "surface_finish_ra_range": [0.1, 0.3]},
{"id": "hard_chrome", "name": "Hard Chrome Plated", "surface_finish_ra_range": [0.1, 0.2]}
],
"rod_materials": [
{"id": "CK45", "name": "CK45", "description": "Carbon steel for induction hardening"},
{"id": "42CrMo4", "name": "42CrMo4", "description": "Alloy steel, high strength"},
{"id": "AISI4140", "name": "AISI 4140", "description": "Chromium-molybdenum steel"},
{"id": "20MnV6", "name": "20MnV6", "description": "Micro-alloyed steel"},
{"id": "custom", "name": "Custom", "description": "Custom specification"}
],
"rod_treatments": [
{"id": "hard_chrome", "name": "Hard Chrome", "thickness_um_range": [20, 30], "hardness_hrc_range": [55, 65]},
{"id": "nickel_chrome", "name": "Nickel-Chrome", "thickness_um_range": [25, 50], "hardness_hrc_range": [58, 65]},
{"id": "nitrided", "name": "Nitrided", "hardness_hrc_range": [60, 70]},
{"id": "ceramic", "name": "Ceramic Coating", "hardness_hrc_range": [70, 80]},
{"id": "QPQ", "name": "QPQ (Quench-Polish-Quench)", "hardness_hrc_range": [55, 65]}
],
"piston_materials": [
{"id": "GGG50", "name": "GGG50", "description": "Ductile iron"},
{"id": "C45", "name": "C45", "description": "Carbon steel"},
{"id": "aluminum", "name": "Aluminum", "description": "Lightweight option"},
{"id": "bronze", "name": "Bronze", "description": "Good wear resistance"}
],
"head_cap_materials": [
{"id": "C45", "name": "C45", "description": "Carbon steel"},
{"id": "GGG50", "name": "GGG50", "description": "Ductile iron"},
{"id": "aluminum", "name": "Aluminum", "description": "Lightweight option"},
{"id": "steel_forged", "name": "Forged Steel", "description": "High strength applications"}
]
}
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