Steel Structure Pipe Black Carbon Steel Square Rectangular Tube

• After-sales Service: Quality Guarantee
• Warranty: 1 Year
• Type: Welded
• Model NO.: BST
• Technique: Hot Rolled
• Material: Carbon Steel
• Surface Treatment: Black
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Square
• Wall Thickness: 1.2-15mm
• Length: 1-12 Meters
• MOQ: 10 Tons
• Grade: Carbon Steel
• Steel: Q235 Q345 A500 Grade a, Grade B
• Transport Package: in Bundle with Steel Strips
• Specification: 20*20-600*600mm
• Trademark: HONGXIN
• Origin: China
• HS Code: 73066100
• Production Capacity: 50000 Tons Per Month

Product Description

Product Description

Steel Structure Pipe Black Carbon Steel Square Rectangular Tube

Grade	Q195,Q235,Q345,ASTM A36,ASTM A572 Grade 50,ASTM  A500 Grade A
Outer Diameter	10*20-150*200mm (Tolerance:±0.2mm) 10*10-200*200 (Tolerance:±0.2mm)
Wall Thickness	0.25-15mm (Tolerance:±0.02mm)
Length	0.1m-12m,orcustomized (Tolerance:-0+0.02m)
Processing Techniques	Steel Marking,Stencil Printing or Marking,Punching,Cutting,Welding,Bending
Surface Treatment	Oiled coating,Plastic plating,Painting Pre-galvanized : 30-120g/m2; Hot dipped galvanized : 200-500g/m2
Standard	GB/T6728-2017,GB/T3091-2008,GB/T3094-2012, ASTM A500/A500M-21,ASTM A123/A123M-17, EN10219-1:2006,EN10240:1998, IS4923:2017,IS1239-2004, JIS G3466:2015
Package	1.bundle by steel strips 2.in bulk 3.in bundles with steel strips, and wrapped with waterproof cloth 4.Wooden pallet 5.according to client's requirement
Usage	Construction,Water /Gas Transportation,Mechanical Applications Decoretion,Product manufacture
MOQ	10 Tons
Payment	T/T,L/C
Delivery time	15-25 days

Square and Rectangular Steel Pipe size chart
Square Hollow Section	Rectangular Hollow Section	Thickness
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

 

 

Packaging & Shipping

1. In bundle with 8-9 steel stripes for small diameter steel pipe
2. Wrapped the bundle with water-proof bag and then bundled by steel stripes and nylon lifting belt in both ends
3. Loose package for big diameter steel pipe
4. As per clients requirement

Company Profile

Tianjin Hongxin International Trade Co.,Ltd

1. Our company was founded in 2000,located in Shengfang of Hebei Province.
2. We are comprehensive steel manufacturer
3. Enjoying convenient traffic and occupying an advantageous location.
4. Company covers an area of 30,000 square meters,construction area of 7,500 square meters.
5. Own 15 ERW steel pipe production lines and 6 special precision steel pipe production lines.
6. Our products have sold abroad more than 30 countries.

 

Our Advantages

1. We have our own factory.
2. Factory was founded in 2004,it is an old factory.
3. Price is lower 20USD per ton than other suppliers.
4. Quality is good.
5. We have large stock so that we delivery soon.

 

Our Service

1. Pre-Sales Service
*We can offer one free sample length 20 cm with freight collected, if you want to buy our products and take our price.
2. After-Sales Service
*Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination.