• Model NO.：10#-45#
• Thickness：:T 0.8 - 15 mm
• Delivery Time：25-30days
• Warranty Time：20years
• Certificate：ISO
• Standard：JIS, DIN, En, ASTM
• Transport Package：According to The Demand of The Customer
• Specification：10#, 20#, 45#, 16Mn, 10#-45#
• Trademark：wghongxing
• Origin：China
• Production Capacity：5000tons

Types of Material 
Q195-Q235 Hot dip galvanized steel pipe/ Pre-painted galvanized steel pipe
 ShapeRound Pipe                 Square pipeRectangular pipeStandard 
ASTM A500,JG 178-2005,JIS G3466,EN10210
GB/T6728-2002,GB/T6725-2002, GBT3094-2000
 Outside Diameter21mm-1420mm20mm x20mm-600mm x600mm40mm x 20mm-700mm x 400mmWall thickness1mm-30mm1mm-30mm1mm-30mmLength5.8m/6m/12m ( We can adjust length according to your request)materialQ195/Q215/Q235/Q345/  Q195-Q235 ABCD  
 
Q195 → Grade B, SS330,SPHC, S185
 
Q215 → Grade C,CS Type B,SS330, SPHC
 
Q235 → Grade D,SS400,S235JR,S235JO,S235J2
 Zn coating 
Pre-galvanized steel square tube: 60g/m2-150g/m2;
Galvanized steel square tube:200g/m2-400g/m2;
  SizeOD(Outer Diameter)1/8-24"(10.3mm-610mm)WT(Wall Thickness)0.8-12mm.
SCH10s,SCH40s,STD,XS,SCH80,
SCH160,XXS etc.ZINC COATED1)Pre-galvanized:Z40-80g/m2
2)Hot dip galvanized:Z200-520g/m2MaterialQ195 → Grade B, SS330,SPHC, S185
Q215 → Grade C,CS Type B,SS330, SPHC
Q235 → Grade D,SS400,S235JR,S235JO,S235J2
Q345 → SS500,ST52StandardBS1387,EN10297,BS6323,BSEN10217,GB/T13793-1992,
GB/T14291-2006,GB/T3091-1993,GB/T3092-1993,GB3640-88,
ASTM A53/A36,EN39/EN10219,API 5L,GB/T9711.1-99 etcSection shapeRound/Square/RectangularTypeWelded PipeTechniqueElectronic Resistance Welded (ERW )
Electronic Fusion Welded (EFW)
Double Submerged Arc Welded (DSAW)Welded Line TypeLongitudinalEnds1)Plain2)Beveled3)Thread with Coupling or capEnd protector1) Plastic pipe cap2) Iron protectorSurface Treatment1) Bared  
2) Black Painted (varnish coating)
3) Galvanized
4) With Oiled
5) 3 PE, FBE, corrosion resistant coatingInspectionWith Hydraulic Testing, Eddy Current , Infrared TestClass A test pressure4.83MPa-13.10MpaPackage1.Big OD:in bulk
2.Small OD:packed by steel strips
3.Woven cloth with 7 slats
4.Plastic bags
5.As per customer's optionApplication1)low pressure liquid delivery such as water,gas and oil
2)ConstructionDelivery1) Container  2) Bulk CargoPort of ShipmentTianjin, ChinaDelivery TimeAccording To The Quantity And Specification Of Each OrderPaymentL/C T/T Addition:
 Special design available according to requirment
.Anti-corrosion and high-temperature resistant with black painting
.All the production process are made under the ISO9001:2000 strictly
 Weight per Piece=(OD-Thickness)*Thickness*Length*0.024Special steel tube/pipe
Shaped steel pipes/tubes
Thickness: 0.5-20mm
Special design & demensions can be customized

4. Features:
No oxide layer in and out of pipe surface after heat treatment,smooth and bright surface,high pressure bearing,no deformation after bending ,no cracks after flaring & flattening test.It can carry various complex deformation and mechanical treatment.Pipe color:light grey/white.
2. Process description :
 
Selects the high quality carbon steel billet, Refined by special machine tool equipment,
Bright vacuum heat treatment , High-efficiency detergent to clean with dedicated
device and high pressure washing. smear rust-proof oil to make antirust processing, dustproofing on both side seal-capping.
contact:Ms Sylvia   
 

Website: gzlyqsteel.en.made-in-china.com