Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
Q345 square Hollow steel section square tube steel pipe for construction green house pipe
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Q345 square Hollow steel section square tube steel pipe for construction green house pipe

Имя：Square and rectangular steel pipe；
OD: 20*20-200*200 мм ;
Толщина стен:1.5-30 мм Длина 1-12 м;
Packing Export standard packing or according to customers’ requirement ;
Certificate ISO9001:2008;

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  • Графические детали
наименование товара square steel pipe
код HS 73066100
Применение Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis
дайметр SHS: 15*15-400*400мм, RHS: 20*25-400*300мм
размышление 0.3-40мм
длина 2m-12m or as per customers’ требование
Марка стали Q195, Q235, Q345, Ss400, S235, S355jr and So on
материалы SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard material, ASTM A53 A,B
стандартный GB/T 6728, ASTM A500, En 10210, En 10219 and So on
обработка поверхности Смазанный маслом, Painted, Galvanized and So on/Black painting/varnished surface,anti-corrosion oil,
служба обработки Bending, Welding, Punching, Cutting and So on
Pipe end Plain end
Сертификат ИСО,BV,API
Толерантность: 5%
Срок поставки 25~30days or as per your request
Условия оплаты Down Payment 30%T/T in advance and Balance 70%T/T before loading or L/C at sight
Транспортный пакет in Bulk, Waterproof Packing and So on
Constituent of the material
Оценка C Mn Si С P UTS(MPa) YS(MPa) EI(%)
Q235B 0.12-0.20 0.30-0.70 0.3 0.045 0.045 375-500 235 26
Q345B 0.12-0.20 1.20-1.60 0.20-0.55 ≤0.045 ≤0.045 510-600 345 22
20#(GB) 0.17-0.23 0.38-0.65 0.17-0.37 ≤0.030 ≤0.030 410-550 ≥245 ≥20
Thick wall square &rectangular tube specification table
name of product size wall thickness name of product size wall thickness
square steel pipe 20*20 1.3-2.5 rectangular steel pipe 20*30 1.3-2.75
25*25 1.3-2.75 20*40 1.3-2.75
30*30 1.3-2.75 25*40 1.3-2.75
40*40 1.3-3.75 30*50 1.3-4.75
50*50 1.3-5.75 30*60 1.3-4.75
60*60 1.3-5.75 40*50 1.3-4.75
70*70 1.3-5.75 40*80 1.3-4.75
80*80 1.3-5.75 50*70 1.3-4.75
90*90 1.3-5.75 50*80 1.3-4.75
100*100 1.5-12 60*90 1.3-4.75
120*120 2.5-12 50*100 1.3-5.75
140*140 2.75-16 50*150 1.3-5.75
150*150 3.0-16 60*160 1.3-5.75
160*160 3.0-16 100*150 2.5-16
180*180 3.0-16 100*200 2.5-16
200*200 3.0-16 100*250 2.5-16
250*250 4.75-20 150*300 4.5-16
300*300 4.75-20 200*300 5.5-20
400*400 4.75-20 200*400 5.5-20
500*500 4.75-20 400*600 5.5-20

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