Page 325 - dehn-catalogue-lightning-protection_3

Abbreviations
The following list shows and explains all abbreviations mentioned. Possible material combinations for air-termination systems,
Conductor types: down conductors and other construction components.
Provided that no especially aggressive environmental influences
Abbreviation Conductor types have to be considered, the material combinations listed below have
Fl Flat conductor (strip) proved themselves. This is based on practical experience.
Rd Round conductor (round wire)
Steel Aluminium Copper StSt Titanium Tin
Steel (St/tZn) yes yes no yes yes yes
Aluminium yes yes no yes yes yes
Copper no no yes yes no yes
StSt yes yes yes yes yes yes
Materials:
Titanium yes yes no yes yes yes
Abbreviation Description Tin yes yes yes yes yes yes
Al Aluminium
Symbols:
AlMgSi Aluminium magnesium silicon wrought alloy
Screws Screw heads
Cu Copper, electrical copper
Cu/bronze Copper / Bronze a Half-round wood screw h Slot
Cu/gal Sn Copper, tin-coated Countersunk head
EVA Ethylene vinyl acetate copolymer b wood screw i Hexagon
GRP Glass-fibre reinforced plastic c Wood screw with j Hexagon with slot
GCI Grey cast iron threaded head
K Plastic material / Polyethylene / Polyamide / Polystyrene d Cheese head screw k Cross recessed
Ms Brass
e Truss head screw l Star drive
Ms/gal Cu Brass, copper-coated
Ms/gal Sn Brass, tin-coated f Knurled screw m Combined slot
StSt Stainless steel
Material No.: 1.4301 (material No.: ASTM/AISI 304) g Flat head screw
Material No.: 1.4303 (material No.: ASTM/AISI 305)
Material No.: 1.4307 (material No.: ASTM/AISI 304L)
r Rounded head screw
StSt (V4A) Stainless steel
Material No.: 1.4401 (material No.: ASTM/AISI 316) Recommended values:
Material No.: 1.4404 (material No.: ASTM/AISI 316L)
Material No.: 1.4571 (material No.: ASTM/AISI 316Ti)
Screw Tightening torque
StSt / gal Cu Stainless steel, copper-coated
M5 / M6 ≥ 4 Nm
PA Polyamide
M8 ≥ 10 Nm
PC Polycarbonate
M10 ≥ 20 Nm
PE Polyethylene
M12 ≥ 25 Nm
PP Polypropylene
M16 ≥ 25 Nm
PS Polystyrene
PVC Polyvinyl chloride Miscellaneous:
ABS Acrylonitrile butadiene styrene Symbols
Sn Tin Test according to EN 62561-1
Please find more information on
St/bare Steel (black)
our website.
St/gal Zn Steel, galvanised
Installation instructions
St/tZn Steel, hot dip galvanised
See DEHN websites
St / Cu Steel, copper-coated
MCI Malleable cast iron + New products
MCI/tZn Malleable cast iron, hot dip galvanised ( Discontinued products
UP Polyester (unsaturated)
Wind load calculation according to
XLPE Cross-linked polyethylene
Eurocode 1 (DIN EN 1991-1-4 +
ZDC Zinc die casting Eurocode DIN EN 1991-1-4/NA)