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1(of a material) having a hard surface.‘case-hardened sandstones’
- ‘When the stone was properly seasoned, the exposed surfaces were case-hardened, creating a finish more resistant to weathering.’
- 1.1(of iron or steel) having been given a hard surface by being carburized.‘a case-hardened steel anvil’
- ‘Fusion-welded overlays have strong bonds, but the primary surface-hardened steels used in wear applications with fatigue loads include heavy case-hardened steels and flame or induction-hardened steels.’
- ‘Dual-sided hinges with case-hardened steel pins further bolster security.’
- ‘The sixshooter comes in 3 1/2-inch and 4 1/2-inch barrels and sports a standard blue finish with case-hardened frame.’
- ‘Originally the barrels of 1888 Springfields were blued and the breeches were case-hardened.’
- ‘Super Stud ATV tire chains are made of case-hardened alloy chain heat-treated as a single unit after assembly, and uses two studs on every other link for maximum traction.’
- ‘The bolts are similarly machined from case-hardened steel alloy.’
- ‘They included but were not limited to extra long or extra short barrels, extra heavy or extra light barrels, set triggers, pistol grip stocks, shotgun butts, color case-hardened actions, and you get the picture.’
- ‘Revolvers include the 1873 Single Action in blue / case-hardened, nickel and stainless steel finishes, plus an enhanced photo-engraved model.’
- ‘It is made of 14-gauge steel and features a pry-resistant door that locks with four half-inch diameter, case-hardened steel bolts.’
- ‘First, in a case-hardened steel, the hardenability of both case and core must be considered.’
- 1.2Made callous or tough by experience.‘a case-hardened politician’
cynical, tough, hardened, hard-bitten, hard-headed, callous, as hard as nails, unsentimental, lacking sentiment, world-weary, case-hardened, toughened by experienceView synonyms
- ‘It's just that case-hardened nit-pickers like me can't help noticing these things.’
- ‘Sometimes, even when you are a case-hardened professional, you see history differently.’
- ‘But, regardless of how well the interviewers are trained, case-hardened criminals are unlikely to take these bogus coppers seriously, and might find it easy to ‘pull the wool over their eyes’.’
- ‘But those same flames also case-hardened developing nations.’
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