High Quality Q235 Q345 4inch Hot DIP Galvanized Round Steel Pipe Gi Pipe Pre Galvanized Steel Tube

• After-sales Service: 24 Hours Online
• Type: Welded, Seamless
• Technique: Cold Drawn / Hot Rolled
• Material: Q195-Q345, 10#-45#, etc.
• Surface Treatment: Galvanized
• Usage: Pipeline Transport, Boiler Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Model NO.: Galvanized steel pipe
• Section Shape: Square, Rectangle, Round
• Outer Diameter: 15-324mm, Customized
• Coil ID: 508-610mm
• Length: 6-12m, as Your Requirements
• Thickness: 0.6-15mm, as Your Request
• Width: 20-1500mm, as Your Request
• End: Plain, Thread, Groove, etc.
• Zinc Coating: Z30-275G/M2
• Surface: Black, Oiled, Painted, etc.
• Price Term: EXW, Fob, CFR, CIF, etc.
• Coating Type: PE, SMP, HDP, PVDF
• Processing Service: Bending, Welding, Decoiling, Punching, Cutting
• Standard: ASTM A53, BS 1387, BS 1139, BS En10025, etc.
• Transport Package: Standard Export Packing
• Trademark: ZK
• Origin: China
• HS Code: 7306309000
• Production Capacity: 50000/Month

Product Description

Standard	EN10219,EN10210,GB/T 6728,JIS,G3466,ASTM A500, A36
Material	S235GT,S355,STK400,STK500,Q345/Q235
Diameter	Square pipe: 20*20mm~500*500mm Rectangular pipe: 20*40mm~300*500mm
Wall thickness (W.T.)	1.2mm~20mm
Length	6.0M, 6.5M, 5.0M, 4.0M, 3.0M, 6.5M,1m-12m ,by customer's requiremnts
Surface Anti-rusty Coating	Pre-galvanized (Zinc coating: 40-80g/m2) Hot dipped galvanized (Zinc coating: 200-600g/m2 )
Pipe Ends	Plain ends
Surface	Black, or Galvanized and Oiled to prevent the rust
Main market	Middle East,Africa, Asia and some Uropean country and South America ,Australia
Delivery Time	7-15 days (based on quantity) after receiving advanced payment by T/T or LC .

Square and Rectangular Steel Pipe size chart
Square Hollow Section	Rectangular Hollow Section	Thickness(mm)
20*20 25*25 30*30	20*40 30*40	1.2-3.0
40*40 50*50	30*50 25*50 30*60 40*60	1.2-4.75
60*60	50*70 40*80	1.2-5.75
70*70 80*80 75*75 90*90 100*100	60*80 50*80 100*40 120*80	1.5-5.75
120*120 140*140 150*150	160*80 100*150 140*80 100*180 200*100	2.5-10.0
160*160 180*180 200*200	200*150 250*150	3.5-12.0
250*250 300*300 400*200 350*350 350*300	250*200 300*200 350*200 350*250 450*250 400*300 500*200	4.5-15.75
400*400 280*280 450*300 450*200	400*350 400*250 500*250 500*300 400*600	5.0-20.0

Q1: Do you provide samples? Is it free or extra?
A1: Yes, we can provide samples free of charge and the customer will pay the freight.
Q2: What if I don't have export experience ?
A2: We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3: How long is your lead time?
A3: If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q4: What are your terms of payment?
A4:30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100%.Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A.
Q5: How is your technical support?
A5: We provide lifetime online support through Whatsapp/ Skype/ Wechat/ Email. Any problem
after delivery, we will offer you call anytime.