Q235B Mild Steel Hollow Section

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: STEEL HOLLOW SECTION
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square/Round/Rectangular
• Steel Grade: Q195/Q235A/Q235B/Q345b/ASTM A36/ASTM A53/Ss400/X42
• Size: Shs: 20X20-600X600, Rhs:20X30-400X600,Od19-720
• W.T: 1-20
• Length: Normal 6000mm, Range: 4-12meters, or as Requeirmen
• Transport Package: Strap in Bundles with Steel Strip, Ani-Tust Oil.
• Specification: OD914x9.5MM X 12METERS
• Trademark: Wanrunda
• Origin: Qingdao and Tianjin
• HS Code: 7303009000
• Production Capacity: 200000mt Per Year

Product Description

Qingdao Wanrunda Imp and Exp Co.,ltd mainly export Galvanized steel pipe/tube; Welded steel pipe/tube; Square pipe/tube; Seamless steel pipe; Stainless steel tube; Galvanized steel coil; Stainless steel coil; Angle steel; H beam; Channel beam; C beam/Riffled sheet; Square bar etc



Product introduction:
Commodity: Big size square steel hollow section
Dimension: 500x500x20mm
Wall thickness: 20mm
Length: 12meters( normal length6000mm, accept fixed length)
Material:  Q345/16Mn/St52
Surface treatment:  Anti-rust Oiled surface,Black surface
Thickness tolerance:  +/- 0.25mm
OD. Tolerance:  +/- 0.25mm 
Technique:  Hot rolled
Application: construction,Steel structure, Road sign,Steel frame,light industry,
               automobile industry,fluid pipe,Hydraulic pipe, agriculture, etc.
MOQ:  10MT
Package:  Surface to be oiled, bulk packing
Payment term:  T/T or L/C at sight
Delivery time:  within 15-20days after receiving the deposit
Remark:  Special spec is available

 

Welded Carbon Steel Tube/Pipe
Specifications: 
* Standard: GB/T 3091-2008,ASTM A53-2007, ASTM 500, BS1387 etc
* Grade: Q195/Q235A/Q235B/Q345B/ASTM A36/ASTM A53/SS400/X42/X52 etc
* OD: OD21.5mm to OD508mm / 20X20-600X600mm / 20X30-400X600mm
* WT: 0.8-26mm 
* Length: 4m-12m 
* Ends Finish: Plain end, bevel end 
* Surface Treatment: Bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating 
* Technique: Hot rolled or cold rolled , ERW or SAW welded steel tube
* Invoicing: Based on theoretical weight or actual weight 
* Payment Terms: L/C at sight, T/T or Western Union 
* Trade Terms: FOB/CFR/CIF 
* Certification: SGS,ISO, API 5CT, API 5L, DNV, ISO9001

Welded steel pipe application:
For liquid transportation- water supply/water drain;
For gas transportation- sewerage gas/liquefied petroleum gas ;
For structure-As piling steel pipe/bridge structure/road structure etc.
 
Normal Product Dimensions:
Square(GB/T6728-2002,GB/T6725-2002,JIS 3466,EN10219,ASTM A500)

20*20*(1.2-2)mm	140*140*(4-10)mm
30*30*(1.5-3)mm	150*150*(4-10)mm
40*40*(1.5-4)mm	160*160*(4-10)mm
50*50*(1.5-4.5)mm	180*180*(4-12)mm
60*60*(2-5)mm	200*200*(4-14)mm
70*70*(2.5-5)mm	220*220*(5-14)mm
80*80*(2.5-6)mm	250*250*(5-14)mm
90*90*(3-7)mm	300*300*(6-14)mm
100*100*(4-8)mm	300*300*(6-14)mm
120*120*(4-8)mm	400*400*(8-14)mm
130*130*(4-10)mm	600*600*(10-40)mm
135*135*(4-10)mm	800*800*(10-46)mm

 
Rectangular(GB/T6728-2002 GB/T6725-2002)

30*20*(1.5-2.5)mm	150*100*(4-8)mm
40*20*(1.5-3)mm	160*80*(4-8)mm
40*25*(1.5-3)mm	180*100*(4-10)mm
40*30*(1.5-3)mm	200*120*(4-10)mm
50*25*(1.5-3)mm	200*150*(4-10)mm
50*30*(1.5-4)mm	220*140*(4-12)mm
60*30*(2-4)mm	250*150*(4-12)mm
60*40*(2-4)mm	250*150*(4-12)mm
70*50*(2-5)mm	300*200*(5-14)mm
80*40*(2-5)mm	350*250*(6-14)mm
80*60*(3-5)mm	400*200*(6-14)mm
90*50*(3-5)mm	400*250*(6-14)mm
100*50*(3-5)mm	400*300*(8-14)mm
120*60*(3-6)mm	450*250*(8-14)mm
120*80*(3-6)mm	500*300*(8-14)mm
140*80*(4-7)mm	600*400*(12-36)mm