#!python

In [1]: from strupy.concrete.MaterialRcsteel import MaterialRcsteel

In [2]: somercsteel = MaterialRcsteel()

In [3]: somercsteel.rcsteelname
Out[3]: 'B500'

In [4]: somercsteel.get_availablercsteelclass()
Out[4]: ['B400', 'B450', 'B500']

In [5]: somercsteel.set_rcsteelclass('B400')

In [6]: somercsteel.fyd
Out[6]: 350.00 [MPa]

In [7]: somercsteel.ksiefflim
Out[7]: 0.53