Black Round Bar 070M20 (En3A)


070M20 (En3A)
BLACK ROUND BAR
Chemical Composition
Carbon0.15 - 0.25
Silicon0.05 - 0.35
Manganese0.40 - 0.90
Sulphur0.06MAX
Phosphorus0.06MAX
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
240355,125
250385,336
280493,4
305586,34
330685,2
350769,84
MECHANICAL PROPERTIESEn8
Limited Ruing Sections. Min.152mm
Tensile Strength, Mpa min430
Yield Stress, Mpa min215
Elongation, percent Min.21
Izod Impact Value126/179
Brinell Hardness Number 
BS 970070 M 20
SAE (AISI)1020
WERKSTOFF NO1,0402
TYPICAL USES :
Shafts, bolts, nuts, studs and couplings and machinery components where a low tensile strength material is required.