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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