HSS Hollow Structural Sections !""#$%&'()#*'+,#+,%#-.+%&+#/01%&# .)1#2.+%3'.4#"5%6'7'6.+'0)& 8'9:%34%;#<4&0)=#>?#@/<A B<C"?#/0)&D4+')( E%6,)'6.4#/0)&D4+.)+#+0#+,%# "+%%4#ED:%#F)&+'+D+%
HSS Hollow Structural Sections E05'6& G&%&# 2.+%3'.4& HI.'4.:'4'+;# /0))%6+'0)& J%*#C%&0D36%&
HSS Hollow Structural Sections !'&+03; !""#9%9:%3&#,.I%#:%%)#.30D)1#703# 6%)+D3'%&K##E,%;LI%#:%%)#D&%1#.J%MD3.4# 40.1#6.33;')(#9%9:%3&N.ɜD9)&#.)1# :%.9&#')#,D+&#.)1#,0D&')(N.)1#703# &6.77041')(K O.4'4%0#&+D1'%1#,0440*#&+3D6+D3.4#9%9:%3&#')# +,%#PQ +, 6%)+D3;K##!%#6.44%1#+,%9#R,0440*# &04'1&S#.)1#.).4;T%1#&5%6'7'6#%M.954%᲍# ).+D3%#U +,%#&+%9#740*%3&N+,%#:0)%# .)'9.4&N:.9:00N#&+3D6+D3.4#9%9:%3&# *,'6,#.3%#4'(,+*%'(,+#.)1#74%M':4%=#;%+# &+30)(K#
HSS Hollow Structural Sections /0953%&&'0) J0#*%.V#.M'&#W (3%.+#703#604D9)&
HSS Hollow Structural Sections E03&'0) E03&'0).4#60)&+.)+#07#.)#!""#'&#XYZZ#+'9%&# +,.+#07#.)#05%)#&%6+'0) HSS Wide Flange
HSS Hollow Structural Sections E03&'0)
HSS Hollow Structural Sections E03&'0) ?M.954%[ \%.9#4%)(+,#]ZL +03&'0).4#40.1#PKY#7+WV^7+ _P`M]Q#a#b#YKcP#3.1 !""PYMdMQ^Pd#a#b#ZKZZd]#3.1
HSS Hollow Structural Sections \4.&+#-0.1')( !""#.3%#(001#:4.&+#3%&'&+.)+#9%9:%3& e 1'3%6+'0)#07#40.1')( e ,'(,%3#+03&'0).4#3'('1'+; e 60950&'+%#!""#9%9:%3&
HSS Hollow Structural Sections !""#2.+%3'.4& HQZZ HPZ`Q HPZdQ H`cf HQ] HYQY
HSS Hollow Structural Sections 2.)D7.6+D3')(#>306%&& E*0#5306%&&%&[ e ?4%6+3'6#C%&'&+.)6%#_%41')(#@?C_A e _%41#W C0D)1=#B039#W "gD.3%#>306%&&# @60)+')D0D᭿')(A e B039#W "gD.3%=#_%41#W "gD.3%#>306%&&# @1'3%6+#7039')(A e "D:9%3(%1#H36#_%41')(#@"H_A
HSS Hollow Structural Sections 2.)D7.6+D3')(#>306%&& H44#&+.3+&#*,%)#&+%%4#60'4&#.3%#&54'+#')+0#5305%3# *'1+,&
HSS Hollow Structural Sections _%41#W C0D)1=#B039#W "gD.3%
HSS Hollow Structural Sections B039#W "gD.3%=#_%41#W "gD.3%
HSS Hollow Structural Sections "D:9%3(%1#H36#_%41')(
HSS Hollow Structural Sections H"E2#HQZZ N,.&#:%%)#.30D)1#&')6%#+,%#4.+%#fZL&
HSS Hollow Structural Sections H"E2#HQZZ ?M6%35+#7309#H"E2#HQZZWP]
HSS Hollow Structural Sections H"E2#HPZ`Q e F)#H53'4=#YZP]#H"E2#.5530I%1#.#)%*#&5%6'7'6.+'0)# 703#6041#7039%1=#*%41%1#6.3:0)#&+%%4#,0440*# &+3D6+D3.4#&%6+'0)&#@!""AK e $%I%4059%)+#*.&#&50)&03%1#:;#HF"/L&#!""# 6099'++%% e $%I%405%1#+0#.113%&%37039.)6%#'&&D%%4.+%1# +0#!""#D&%1#')#&%'&9'6#.)1#:3'1(%#.554'6.+'0)&K##\D+# %I%)#'7#;0D#.3%)L+#1%&'()')(#')#+,0&%#.3%).&=#HPZ`Q# .4&0#9.V%&#!""#903%#%60)09'6.4#.)1#%77'6'%)+K e H#3%54.6%9%)+#&5%6'7'6.+'0)#+0#HQZZ#0)#.#530h%6+K
HSS Hollow Structural Sections H"E2#HPZ`Q -.$$&/,"01*#22& !"#$%&'()#*+(, (3$#).*0#&4&5.22& 63)*#)&7.%"82 (3$#).*0# ,3$%&3*<&"&,.=#&(3& D E;F $331&"(&8>? 9:;; *3&A.22& G&B( ).*+#2&@)3A&BBC (3$#).*0# :;&12" :;&12"&A"*< C:F<&KE;F (M;LNO&ELP(&C B( 9E;H: I;&12"&A.J CBL:F<&KE;F (Q;LNO&ELH(&C B(
HSS Hollow Structural Sections E,%#ZKi]#C%1D6+'0) H"E2#HPZ`Q e ZKi]#7.6+03#)0+#3%gD'3%1jj e J0+#')#HF"/#]dZWPZ#:D+#,.&#:%%)# 5D:4'&,%1#')# !"#$%&'()$$* +"&,)%-.)/"& e HF"/#]dZWPd#13.7+#')64D1%&#HPZ`Q#.)1# HPZdQ#.)1#10%&#)0+#3%gD'3%#+,'6V)%&&# 3%1D6+'0)#703#%'+,%3#9.+L4
HSS Hollow Structural Sections H"E2#HPZ`Q e /,%9'&+3;#'&#&4'(,+4;#1'77%3%)+#+,.)#HQZZ e H4#.11%1 e 1%0M'1'T')(#.(%)+ e "'#.11%1 e '9530I%&#D)'7039'+;#07#60.+')(&#.554'%1# +0#+,%#&+%%4 e /D#1%4%+%1 e )0+#60990)4;#D&%1#')#&+%%4#5301D6+'0)# +01.;
HSS Hollow Structural Sections 2%9:%3#"+3%)(+,#/095.3'&0) /0953%&&'I%#&+3%)(+,[#!""dMdM]^`=#V-#b#PcL HQZZ#O3\ HPZ`Q + )09 ZKi]#M#+ )09 PYl# B ; b#cd#V&' ')63%.&% B ; b#QZ#V&' k> ) b#PQ]V k> ) b#PfYV
HSS Hollow Structural Sections /0))%6+'0)#"+3%)(+,#/095.3'&0) !""fMfM]^`#604D9)#*'+,#.#&,%.3#54.+%# 60))%6+'0) >D)6,')(#&,%.3#4'9'+#&+.+%[# + 5 m@B D ^B ;5 A+# nHF"/#]dZWPZ#8PW]o
HSS Hollow Structural Sections /0))%6+'0)#"+3%)(+,#/095.3'&0) >D)6,')(#&,%.3#4'9'+#&+.+%[# + 5 m@B D ^B ;5 A+################nHF"/#]dZWPZ#8PW]o !""fMfM]^`#604D9)#*'+,#.#&,%.3#54.+%# 60))%6+'0) HQZZ#O3\ HPZ`Q + 5=9.M b#ZKQdYS#####################+ 5=9.M b#ZKdffS YZl# B D b#Q`#V&' B D b#dQ#V&' ')63%.&% +#b#ZK]ciS +#b#ZK]fQS
HSS Hollow Structural Sections H"E2#HPZ`Q#W "%'&9'6 e /0990)#')#\B e O3%.+#05+'0)#703#603)%3#604D9)&#')#\B#03#2B e /.5.6'+;#1%&'()
HSS Hollow Structural Sections H"E2#HPZ`Q#W "%'&9'6 C ; I.4D%&#*'44#(0#10*) C ; b####.6+D.4#;'%41 &5%6L1#9')#;'%41
HSS Hollow Structural Sections H"E2#HPZ`Q#W \3'1(%& "+%%4ʿ#D&%#')#53'9.3;#:3'1(%#9%9:%3&#.3%#3%gD'3%1#+0# ,.I%#&D77'6'%)+#73.6+D3%#+0D(,)%&&#+0#3%1D6%#+,%#530:.:'4'+;# 07#:3'++4%#7.'4D3%#')#+,%#53%&%)6%#07#.#7.+'(D%#63.6V#03#0+,%3# )0+6,W4'V%#1%7%6+K /pJ#+%&+#3%gD'3%9%)+ ! H:'4'+;#07#.#9.+%3'.4#+0#3%&'&+#73.6+D3%#D)1%3#'95.6+# 40.1')( ! 2%.&D3%&#.:&03:%1#%)%3(;#1D3')(#73.6+D3% ! /D+#p#')#&+%%4#.)1#,'+#*'+,#.#5%)1D4D9=#9%.&D3%#,0*# 7.3#+,%#5%)1D4D9#&*')(&#D5 ! H90D)+#07#%)%3(;#.:&03:%1#*'44#')63%.&%#.&# +%95%3.+D3%#')63%.&%&
HSS Hollow Structural Sections H"E2#HPZ`Q#W \3'1(%& HH"!E<#1'I'1%&#G"#')+0#+,3%%#+%95%3.+D3%# T0)%ʿ#&5%6'7;')(#73.6+D3%#+0D(,)%&&K## $%4')%.+%1#:;#40*%&+#.)+'6'5.+%1#&%3I'6%# +%95%3.+D3%
HSS Hollow Structural Sections HPZdQ "H_#9.)D7.6+D3')(#5306%&& 0)4;#3%6+.)(D4.3#^#&gD.3%#&%6+'0)& +.5%3%1#&%6+'0)& 4.3(%3#&%6+'0)&#@5%3'9%+%3#(3%.+%3# +,.)#dcS#.)1#D5#+0#PS#+,'6VA )0#3%1D6+'0)#')#1%&'()#+,'6V)%&&
HSS Hollow Structural Sections HQZZ#O3#\#I&#O3#/#"9.6V10*) $GH-#/?CEjjj H4*.;&#&5%6'7;#O3.1%#/j
HSS Hollow Structural Sections H"E2#HQ] H#+3D%#5'5%#&5%6'7'6.+'0)=#')+%)1%1#703# 9%6,.)'6.4#.)1#53%&&D3%#.554'6.+'0)&#@&+%.9=# *.+%3=#.'3=#(.&AK J0+#3%6099%)1%1#:;#"EFK
!"" !0440*#"+3D6+D3.4#"%6+'0)&# "EFL&#/.5.:'4'+;#E004 ! Lengths of members? Waste? Lengths of members? Waste? Lengths of members? Waste? ! Available sizes – Capability Tool Available sizes Capability Tool Capability Tool
HSS Hollow Structural Sections /0))%6+'0)& $D%#+0#+,%#74%M':'4'+;#07#+,%'3#*.44&=#406.4# &+3%)(+,#07#.)#!""#.+#+,%#60))%6+'0)#9.;# 60)+304#+,%#6.5.6'+;#07#+,%#60))%6+'0)K## G)1%3&+.)1')(#+,'&# #$%&'()%*%+,(-'-.'/) *'44# 9%.)#%77'6'%)+#.)1#%60)09'6.4#60))%6+'0)&# *'+,0D+#+,%#)%%1#703#60&+4;#&+'77%)%3# 3%')7036')(K
!"" !0440*#"+3D6+D3.4#"%6+'0)&# B'44%+#_%41& ! Effective weld length – for elements transverse to the HSS face o Due to the variation of flexural stiffness of the HSS wall across the section width, the force transmitted through the weld is not uniform o Reduced effective length o Load is highest at ends closest to sidewalls and smallest in the middle
!"" !0440*#"+3D6+D3.4#"%6+'0)&# B'44%+#_%41& ! From DG 24
!"" !0440*#"+3D6+D3.4#"%6+'0)&# ",%.3#/0))%6+'0)& =:>' : 6 /'?")@'):8A2#'B,%*! ;6<# 7 6 .#=(*>#*7531&#?%+") :.< / 7-8 . 7-8 . :.< / :/ 7. . .6 / - -6 . 7. :/ 7. :/ 7. . .6 / - -6 . ;.<763 !-8462 !"34--4201-- -5 . !4&)5'(%)*&'' .6 /7'6 .8 /73129 .8 / 4!!'9767 : 9 / 9))#:464 7 : . 6/ 6. !"#$%&'(%)*&'+,##&+*",# !"#$%&&'$"(%& !+)%&'-'./'0'.123/ )$*+'#,#-.#/#-012.
!"" !0440*#"+3D6+D3.4#"%6+'0)&# ",%.3#/0))%6+'0)& 698' 9 > 1'!-(A'(97;4)'$"%,. 0> 1 ?;@' ; 7 2'A.*B'*;:C5-'D$)!/ 0> 1 ;1< 2 ;2 ;1< 2 0 0> 1 : 17 2 91 ;2 16 1: 2 91 ;2 : 17 2 0 0> 1 ?0<:>5 =1<876 678'%'9 07 1:9 07 1: ;0< 1:534= 07 1 ()' 17 289 1: 2864516 1: 2 @..'=:>: 9 = 1 >1 "//'>878 ; > 2 72 !"#$%&'()*%&'+"))&+,-") !"#$%&"'()*!+',$--+,!.$- .+(%&'/'01'2'03451 /,*)+'0'12'3'14562
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