Black Round Bar 817M40 (En24)


817M40 (En24)
BLACK ROUND BAR
Chemical Composition
Carbon0.35-0.45
Silicon0.10-0.35
Manganese0.45-0.70
Nickel1.30-1.80
Chromium0.90-1.40
Molybdenum0.20-0.35
Sulphur0.05 MAX
Phosphorus0.05 MAX
Size Kg/m
202,466
253,853
305,549
357,553
409,865
4512,485
5015,413
5518,65
6022,195
6526,049
7030,21
7534,68
8039,458
8544,545
9049,939
9555,642
10061,654
10871,846
11581,537
12088,781
130104,195
140120,841
150138,721
160157,833
170178,179
180199,757
190222,57
200246,614
210271,893
220298,403
230326,148
2403.55.125
250385,336
280493,4
305586,34
330685,2
350769,84
MECHANICAL PROPERTIESTUVWXZ
Limited Ruling Sections : mm25410264292929
Tensile Strength, Mpa850/1000930/10801000/11601080/12401160/13101540 min
Yield Stress : Mpa Min63574083592510051130
Elongation, percent Min13121211105
Izod Impact Value, Joule40,747,547,540,73411
Brinell Hardness Number248/302269/331293/352311/375341/401444 min
BS 970817 M 40
SAE (AISI)9850
WERKSTOFF NO1,6565
TYPICAL USES :
Automobile main shafts, axle shafts, connecting rod bolts, synchronising cones, push rods, studs, differential shafts, motorcycle kick starter ratchets, pinion sleeves, mandrel bars for tube manufacturing, gun barrels, breec h mechanism parts, high duty engine connecting rods, high temperature bolts in oil, refining and steam installations, various parts of machine tools such as spindle gears, compensating washers, power transmission gears, slide racks and slide cams.