4140 Alloy Round Bar
Rentang Pasokan
4140 Steel Round Bar: diameter 8mm - 3000mm
4140 Steel Plate: ketebalan 10mm - 1500mm x lebar 200mm - 3000mm
4140 Steel Grade Square: 20mm - 500mm
Spesifikasi Baja 4140 Umum
Negara | Amerika Serikat | Jerman | Inggris | Jepang | Cina | Australia |
Standar | ASTM A29 | DIN 17200 | BS 970 | JIS G4105 | GB / T 3077 | SEBAGAI 1444 |
Kelas | 4140 | 1,7225 / 42CRMO4 | 42CrMo4 | SCM440 | 42CrMo | 4140 |
Komposisi Kimia Batang Baja Karbon SAE 4140
Min. % | Max% | ||||||||
Karbon | 0.36 | 0.44 | |||||||
Silicon | 0.10 | 0.40 | |||||||
Mangan | 0.65 | 1.10 | |||||||
Chromium | 0.75 | 1.20 | |||||||
Molibdenum | 0.15 | 0.35 | |||||||
Fosfor | 0 | 0.04 | |||||||
Sulfur | 0 | 0.04 |
SAE 4140 Sifat Fisik Round Bar Carbon Steel
Properti fisik | Metrik | Imperial |
Massa jenis | 7,85 g / cm3 | 0,284 lb / in3 |
SAE 4140 Sifat Mekanik Round Bar Carbon Steel
Penunjukan Properti Mekanis | R | S | S | * T | U | V. | W | ||
Bagian Aturan Terbatas mm | 250 | 250 | 150 | 100 | 63 | 30 | 20 | ||
Kekuatan Tarik Mpa | Min | 700 | 770 | 770 | 850 | 930 | 1000 | 1080 | |
Max | 850 | 930 | 930 | 1000 | 1080 | 1150 | 1230 | ||
0,2% Bukti Stres Mpa | Min | 480 | 540 | 570 | 655 | 740 | 835 | 925 | |
Perpanjangan aktif 5,65√S0% | Min | 15 | 13 | 15 | 13 | 12 | 12 | 12 | |
Izod Impact J | Min | 34 | 27 | 54 | 54 | 47 | 47 | 40 | |
Charpy Impact J | Min | 28 | 22 | 50 | 50 | 42 | 42 | 35 | |
Kekerasan Brinell HB | Min | 201 | 233 | 233 | 248 | 269 | 293 | 311 | |
Max | 255 | 277 | 277 | 302 | 331 | 352 | 375 |