Russian

Dimensions [m]

Designation [mm]

GOST 10704-70:

Nr. h_nom / t_w (h_nom = h)

for tapered section: Nr. h_nom / t_w (h_B - h_E)

where:

h_nom - nominal height [mm]

t_w - web thickness [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 12336-72:

Nr. h_nom / t (h_nom = h = b; t = t_f = t_w)

for tapered section: Nr. h_nom / t (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

b - width [mm]

t - thickness [mm]

t_f - flange thickness [mm]

t_w - web thickness [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 2590-72:

Nr. h_nom (h_nom = h)

for tapered section: Nr. h_nom (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 2591-72:

Nr. h_nom (h_nom = h = b)

for tapered section: Nr. h_nom (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

b - width [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 6185-72:

Nr. h_nom (h_nom = h)

for tapered section: Nr. h_nom (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 8239-72:

Nr. h_nom, Nr. h_nom a, Nr. h_nom b (h_nom = h)

for tapered section: Nr. h_nom (h_B - h_E), Nr. h_nom a (h_B - h_E), Nr. h_nom b (h_B - h_E)

for castellated section: Nr. h_nom / h_t, Nr. h_nom a / h_t, Nr. h_nom b / h_t

where:

h_nom - nominal height [mm]

h - height [mm]

a, b - symbols of GOST 8239-72 sections with the same height and different other parameters

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

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h_t - height of castellated section [mm]

GOST 8240-70:

Nr. h_nom, Nr. h_nom a (h_nom = h)

for tapered section: Nr. h_nom (h_B - h_E), Nr. h_nom a (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

a - symbol of GOST 8240-70 sections with the same height and different other parameters

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 8509-72:

Nr. h_nom / t (h_nom = h; t = t_f = t_w)

for tapered section: Nr. h_nom / t (h_B - h_E)

where:

h_nom - nominal height [mm]

h - height [mm]

t - thickness [mm]

t_f - flange thickness [mm]

t_w - web thickness [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]

GOST 8732-70:

Nr. h_nom / t_w (h_nom = h)

for tapered section: Nr. h_nom / t_w (h_B - h_E)

where:

h_nom - nominal height [mm]

t_w - web thickness [mm]

h_B - begin height of tapered section [mm]

h_E - end height of tapered section [mm]