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            15*15??18*18??20*20??25*25??30*30??40*40??50*50??60*60??70*70??80*80??100*100??120*120??150*150??200*200???????п?????????????
             
             
                 

              ??п????????????????????????п??????п???????????????????????????????????????ν???????????????ε????????????????????????????????????????п?????????п?????
              ??п??????????п???????п?徭???????????????????????γ???????????????????ι??????г??????????????????п????????γ????????????2mm???μ??п?????
              ???п?????????????п????????п??п?????????????????????????????????????????????????????????????????????п???о??????л?????????γ???????????????п?????????2.0mm?????????????п?????


            		 
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            (Square steel tube)            		 ??25×25×??2.0|2.3|2.5|2.75|3.0??mm 100
            ??30×30×??2.0|2.3|2.5|2.75|3.0??mm 100
            ??40×40×??2.0|2.2|2.3|2.4|2.5|2.75|3.0|3.25|3.5|4.0??mm 100
            ??50×50×??2.0|2.2|2.3|2.4|2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75??mm 64
            ??60×60×??2.5|2.75|3.0|3.5|3.75|4.0|4.5|4.75|5.0??mm 49
            ??80×80×??2.5|2.75|3.0|3.5|3.75|4.0|4.5|4.75|5.0??mm 36
            ??100×100×??2.5|2.75|3.0|3.5|3.75|4.0|4.5|4.75|5.0|5.5|5.75|6.0??mm 25
            ??120×120×??3.0|3.5|3.75|4.5|4.75|5.5|5.75|6.0??mm 16
            ??150×150×??3.0|3.5|3.75|4.5|4.75|5.5|5.75|6.0??mm 16
            ??200×200×??3.5|3.75|4.5|4.75|5.5|5.75|6.0??mm?? 16

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            (Rectangular steel tube)

            		 ??20×40×(1.7|1.8|2.0|2.2|2.3|2.4|2.5|2.75|3.0) mm 120
            ??30×50×(2.2|2.3|2.4|2.5|2.75|3.0|3.25|3.5|4.0) mm 104
            ??40×60×(2.2|2.3|2.4|2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0) mm 70
            ??40×80×(2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0) mm 50
            ??50×70×(2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0) mm 48
            ??60×80×(2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.25) mm 35
            ??50×100×(2.2|2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 32
            ??60×100×(2.2|2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0) mm 24
            ??60×120×(2.2|2.5|2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 24
            ??80×100×(2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0) mm 24
            ??80×120×(2.75|3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 24
            ??80×140×(3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 20
            ??80×160×(3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 18
            ??100×150×(3.0|3.25|3.5|4.0|4.5|4.75|5.0|5.75|6.0) mm 12
            ??100×200×(3.5|4.0|4.5|4.75|5.0|5.75|6.0|7.5) mm 20
                 
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            ??п???η???            		 20*30*(0.6-1.8) 144 ???/???/???/????
            20*40*(0.6-2.0) 120 ???/???/???/????
            25*40*(1.0-2.0) 92 ???/???/???/????
            30*40*(1.0-2.0) 90 ???/???/???/????
            25*50*(1.0-2.0) 72 ???/???/???/????
            28*48*(0.8-2.0) 60 ???/???/???/????
            30*50*(0.8-2.0) 60 ???/???/???/????
            38*58*(1.0-1.8) 70 ???/???/???/????
            40*60*(0.7-2.0) 58/70 ???/???/???/????
            40*80*(0.8-2.0) 50 ???/???/???/????
            38*78*(0.8-2.0) 50 ???/???/???/????
            ??п???? 20*20*(0.8-1.8) 180 ???/???/???/????
            30*30*(0.8-1.8) 100 ???/???/???/????
            25*25*(0.6-1.8) 144 ???/???/???/????
            40*40*(0.6-2.2) 64 ???/???/???/????
            50*50*(0.9-2.2) 64 ???/???/???/????
            60*60*(1.0-2.0) 42 ???/???/???/????
            80*80*(1.0-2.0) 25 ???/???/???/????
            100*100*(1.2-2.2) 25 ???/???/???/????
            ??п???? 50*100*(1.2-2.2) 35 ???/???/???/????
                   
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            ????????mm?? ?????????mm??
            16×16×0.4??1.5 380×380×8.0??14.0 10×20×0.6??1.5 250×150×6??12.0
            18×18×0.4??1.5 400×400×8.0??14.0 14×21×0.6??1.5 250×100×6??12.0
            20×20×0.4??1.5 420×420×10.0??14.0 15×30×1.5??1.5 250×200×6??12.0
            25×25×0.6??2.0 450×450×10.0??14.0 15×38×0.6??1.5 300×150×6??12.0
            30×30×0.6??4.0 480×480×10.0??14.0 20×30×0.6??2.0 300×200×6??12.0
            34×34×1.0??2.0 500×500×10.0??14.0 20×40×0.8??2.0 300×250×6??12.0
            35×35×1.0??4.0 ???ι?????? 20×50×1.0??2.0 400×250×8??12.0
            38×38×1.0??4.0 550×550×10.0??40.0 22×35×0.9??2.0 400×300×8??12.0
            40×40×1.0??4.5 600×600×10.0??40.0 25×40×0.9??3.75 450×200×8??12.0
            44×44×1.0??4.5 700×700×10.0??40.0 25×65×1.0??2.0 450×250×8??12.0
            45×45×1.0??5.0 800×800×10.0??50.0 30×40×1.0??3.75 400×300×8??12.0
            50×50×1.0??5.0 900×900×10.0??50.0 30×45×1.0??3.75 400×350×8??12.0
            60×60×1.5??5.0 1000×1000×10.0??50.0 30×50×1.0??4.0 500×200×10??12.0
            70×70×2.0??6.0
            		30×60×1.0??4.5 500×250×10??12.0
            75×75×2.0??6.0
            		40×50×1.0??4.5 500×300×10??12.0
            80×80×2.0??6.0
            		40×60×1.0??5.0 500×350×10??12.0
            85×85×2.0??6.0
            		40×80×1.5??5.0 500×400×10??12.0
            95×95×2.0??8.0
            		40×100×2.0??5.0 500×450×10??12.0
            100×100×2.0??8.0
            		50×60×2.0??5.0 ??ι??????
            120×120×4.0??8.0
            		50×80×2.0??5.0 600×200×10??28.0
            150×150×6.0??10.0
            		50×100×2.0??8.0 600×400×10??28.0
            180×180×6.0??12.0
            		60×80×2.0??6.0 600×500×10??28.0
            200×200×6.0??12.0
            		80×100×2.0??8.0 800×400×10??28.0
            220×220×6.0??14.0
            		120×60×2.5??10.0 800×600×10??28.0
            250×250×6.0??14.0
            		120×80×2.5??10.0 800×700×10??28.0
            280×280×6.0??14.0
            		150×100×2.5??12.0 1000×400×10??28.0
            300×300×8.0??14.0
            		180×150×2.5??12.0 1000×500×10??28.0
            320×320×8.0??14.0
            		200×100×4??12.0 1000×600×10??28.0
            350×350×8.0??14.0
            		200×150×4??12.0 1000×800×10??28
            		 
                 
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