CHICAGO FLAME HARDENING
Specialists in Surface Hardening, Stress Relieving, Mechanical Straightening
Materials and Results
Steel/Iron Type Rockwell C 30-35 45-50 50-55 55-60 60-65 55-60 55-60 58-62 60-65 55-60 60-65 40-45 55-60 35-65 35-60 40-45
Hardness Conversions
Brinell
682 653 627 601 578 555 534 514 495 477 461 444 429 415 401 388 375 363 352 341 331 321 311 302 293 285 277 269 262 255 248 241 235
Rockwell C
62 60 59 58 56 55 54 52 51 50 48 47 46 44 43 42 40 39 38 37 36 34 33 32 31 30 29 28 27 25 24 23 22
Shore
84 81 79 77 75 73 71 70 68 66 65 63 61 59 58 56 54 52 51 50 48 47 46 45 43 42 41 40 39 38 37 36 35
CHICAGO FLAME HARDENING 5200 Railroad Ave. East Chicago, IN 46312 Phone : 219-397-6475 773-768-2303 Fax : 219-397-4029 Email : sales@cflame.com www.cflame.com
1020 mild steel 1035 1040 1045 1060 1145 1545 (speed treat) 4140 4150 (maxel 3.5) 4340 52100 8620 Meehanite GA Ductile Iron Gray Iron A36
Surface Hardening
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Stress Relieving Mechanical Straightening