27MnCrB5-2 steel
27MnCrB5-2 steel Material No:1.7182
27MnCrB5-2 steel Grade:DIN EN 10083 27MnCrB52
27MnCrB5-2 steel Chemical composition:
Grade |
C |
Si |
Mn |
P |
S |
Cr |
B |
27MnCrB5-2 steel |
0.24 0.30 |
<0.40 |
1.10 1.40 |
<0.035 |
<0.040 |
0.30 0.60 |
0.0008 0.0050 |
27MnCrB5-2 steel Application: Boron alloyed heat treatable steel for wear resisting parts as
dredger buckets, plough shares, chain wheels, mechanical engineering components, axles.
Hot forming and heat treatment |
Forging or hot rolling |
1200 - 850°C |
Normalising |
860 - 890°C |
Soft annealing |
650 - 700°C |
Hardening |
840 - 880°C/water, oil |
Quenching |
water max. 52 mm Ø, oil max. 43 mm Ø |
27MnCrB5-2 steel mechanical property:
Diameter d [mm] |
< 16 |
>16 – 40 |
>40 – 100 |
>100 – 160 |
>160 – 250 |
Thickness t [mm] |
< 8 |
8<t<20 |
20<t<60 |
60<t<100 |
100<t<160 |
0,2% proof stress Rp0,2 [N/mm²] |
min. 700 |
min. 650 |
min. 600 |
min. 550 - |
|
Tensile strength Rm [N/mm簡] |
900 - 1100 |
850 - 1000 |
800 - 950 |
750 - 900 - |
|
Fracture elongation A5 [%] |
Min.12 |
Min.13 |
Min.14 |
Min.15 |
|
Reduction of area Z [%] |
Min.40 |
Min.45 |
Min.50 |
Min.50 |
|
Notch impact energy ISO-V [J] |
Min.41 |
Min.48 |
Min.48 |
Min.48 |
|
BEBON STEEL can provide 27MnCrB5-2 steel immediately, if you need 27MnCrB5-2 steel, please be free to contact us.
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