Welding Square Rectangular Galvanized Steel Pipes for Construction

• After-sales Service: Quality Guarantee
• Warranty: 180 Days
• Type: Welded
• Model NO.: GSP
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Galvanized
• Usage: Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration
• Section Shape: Square& Rectangular
• MOQ: 10 Tons for Per Size
• Small Order: Receive
• OEM/ODM: Yes
• Process by Drawing: Yes
• Customizable Size: Yes
• Transport Package: in Bundle with Steel Strips
• Specification: 10*10-200*200
• Trademark: HONGXIN
• Origin: Hebei, China
• HS Code: 73066100
• Production Capacity: 2, 000, 000ton/Year

Product Description

Product Description

Product Name	Welding Square Rectangular Galvanized Steel Pipes For Construction
Grade	Q195,Q235,Q345,ASTM A36,ASTM A572 Grade 50,ASTM  A500 Grade A
Outer Diameter	Rectangular:10*20-150*200mm (Tolerance:+/-0.2mm) Square:10*10-200*200 (Tolerance:+/-0.2mm)
Wall Thickness	Rectangular :0.25-5mm (Tolerance:+/-0.02mm) Square: 0.25-15mm(Tolerance:+/-0.02mm)
Length	0.3m-12m,or customized (Tolerance:-0/+20mm)
Processing Techniques	Reducing ,Steel Marking ,Stencil Printing or Marking , Punching
Zinc Coated	Pre-galvanized : 30-120g/m2; Hot dipped galvanized : 200-500g/m2
Standard	GB/T 6728-2017 GB/T 3091-2008 GB/T 3094-2012 ASTM A500/A500M-21 ASTM A123/A123M-17 EN 10219-1:2006 EN 10240:1998 IS4923:2017  IS1239-2004 JIS G3466:2015  J15 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	10-15 days

Product Parameters

Size List For Pre-Galvanized Square&Rectangular Pipe

O.D:Out Diameter W.T:Wall Thickness
O.D	W.T(mm)	O.D	W.T
10*20	0.7-1.5	40*60	0.8-2.0
20*30	0.6-1.5	40*80	0.8-2.2
20*40	0.8-2.0	48*98	0.8-2.5
25*50	0.8-2.0	50*50	0.8-2.2
25*75	0.9-2.0	50*75	0.8-2.2
27*47	0.8-1.5	50*100	0.8-2.5
30*40	0.8-2.0	50*150	1.3-2.2
30*50	0.8-2.0	60*60	0.8-2.2
35*55	0.8-1.7	60*120	1.2-2.0
37*37	0.7-2.0	80*80	0.8-2.2
37*57	0.8-2.0	100*100	0.8-2.5
37*77	0.8-2.0	120*120	0.8-2.5
38*75	0.8-2.2

Size List For Hot Dip Galvanized Square&Rectangular Pipe
 

O.D:Out Diameter W.T:Wall Thickness
O.D	W.T	O.D	W.T
20*20	1.2-3.0	120*120	2.5-10.0
20*40	1.2-3.75	130*130	2.5-10.0
25*25	1.2-3.0	140*140	2.5-10.0
25*40	1.2-3.75	140*60	2.5-10.0
25*50	1.2-4.75	140*80	2.5-10.0
30*30	1.2-3.75	150*150	2.5-10.0
30*40	1.2-3.75	160*160	3.5-12
30*50	1.2-4.75	160*80	2.5-10.0
30*60	1.2-4.75	180*180	3.5-12
40*40	1.2-4.75	180*80	2.5-10.0
40*50	1.2-5.75	200*100	2.5-10.0
40*60	1.2-4.75	200*150	3.5-12
40*80	1.2-5.75	200*200	3.5-12
40*100	1.5-5.75	250*150	3.5-12
50*50	1.2-4.75	250*200	4.5-15.75
50*70	1.2-5.75	250*250	4.5-15.75
50*80	1.5-5.75	280*280	4.5-15.75
50*90	1.5-5.75	300*150	4.5-15.75
50*100	1.5-8.0	300*200	4.5-15.75
60*60	1.2-5.75	300*300	4.5-15.75
60*80	1.5-5.75	350*200	4.5-15.75
60*90	1.5-8.0	350*250	4.5-15.75
60*100	1.5-8.0	350*300	4.5-15.75
60*120	1.5-8.0	350*350	4.5-15.75
70*70	1.5-5.75	400*200	4.5-15.75
75*75	1.5-8.0	400*250	4.5-15.75
80*80	1.5-8.0	400*300	4.5-15.75
80*100	1.5-8.0	400*350	4.5-15.75
80*120	1.7-8.0	400*400	4.5-15.75
90*90	1.5-8.0	450*200	4.5-15.75
100*100	1.7-8.0	450*250	4.5-15.75
100*150	2.5-10.0	450*300	4.5-15.75
100*180	2.5-10.0	500*200	4.5-15.75
100*250	3.5-12	500*250	4.5-15.75
120*80	1.7-8.0	500*300	4.5-15.75

 

Material	Chemical Composition					Mechanical Properties
	C	Mn	Si	S	P	Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	≤0.30	≤0.045	≤0.05	≥195	315-430	≥33
Q215	0.09-0.15	0.25-0.55	≤0.30	≤0.05	≤0.045	≥217	335-450	≥27
Q235	0.12-0.20	0.30-0.67	≤0.30	≤0.045	≤0.04	≥235	375-500	≥26
Q345	≤0.20	1.00-1.60	≤0.55	≤0.04	≤0.04	≥345	470-630	≥22

 

Chinese Materials Corresponding to Foreign Materials
Chinese Steel Grade	Foreign Steel Grade
Q195	Grade B, SS330,SPHC, S185
Q215	Grade C,CS Type B,SS330, SPHC
Q235	Grade D,SS400,S235JR,S235JO,S235J2
Q345	SS500,ST52
20#	ASTM A106 A53 Grade.B

Detailed Photos

1.The ends of each steel pipe is strictly treated,remove burrs
2.The raw materials is supplied from large steel mills
3.Strictly control the production process
4.Small tolerance range

Packaging & Shipping

Packing:
1.Big OD:in loose pieces
2.Small OD:packed by steel strips into bundles
3.wrapped by woven cloth with 7 slats
4.two ends are wrapped by woven bag,bundle by steel strips
5.packed by seaworthy hexagonal bundles by steel strips.(used for round pipe)
6.according to the requirements of customers
Containers Information:
20ft GP: 5898mm(Length)x2352mm(Width)x2393mm(High)
40ft GP: 12032mm(Length)x2352mm(Width)x2393mm(High)
40ft HC: 12032mm(Length)x2352mm(Width)x2698mm(High)
20 feet container load 25 tons steel pipe whose length is under 5.8m.
40 feet container load 27 tons steel pipe whose length is under 11.8m.

Our Advantages

1.Quality
How to prove our quality is superior?
(1)Trial Order
We receive small order that quality is a few tons or a few pieces.Price is same with regular order.
(2)Sample
We supply free sample for customers to test.
(3)The Third Inspection
Customers can randomly select any steel pipe from our factory warehouse for testing.
(4) Quality Guarantee
We solve any quality issue after receiving goods within 90 days.
(5) Zero complaints within three years
2.Price
Based on high quality,price is the most reasonable.
3.Service
(1) 24 hours online service
(2) Supervise the entire production process and accept video inspections at any time!
(3)We will solve any quality problems If there are quality issues.

 

Company Profile

Tianjin Hongxin International Trade Co.,Ltd
Our company was founded in 2004, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in Shengfang of Hebei Province. Enjoying the convenient traffic and occupying an advantageous location,the company covers an area of 30,000 square meters, construction area of 7,500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines, and can reach the annual production capacity of 1,000,000 tons.

The company actively develops diversified operations, forming a production system with galvanized welded pipes and ERW steel pipes as flagship products and covering precision steel pipe,black Strip,galvanized belt, Bright Strip, Full Black Pipe, Bright pipe, and all kinds of different round,Rectangular, Square and special pipes, forming a whole producing system.Our products have sold abroad more than 30 countries in different continent . We established the trade sale center in Tianjin in order to expand the market and serve to the customers abroad.

Tianjin Hongxin international trade co., Ltd is making close connection with multiple platforms and multi channels to do the sales promotion. Our company is operating in good faith, the purpose of serving customers warmly .We are looking forward to establish business relationship with partners around the world of win-win cooperation.FOR YOUR BEST ,WE DO BEST !

Our Promise

In order to establish long-term cooperation,we hereby promise the following services:
1.We guarantee raw material is best,monitoring each production process at any time.
2.We guarantee delivery goods on time basis of the high quality.
3.We guarantee within 30 days after receiving goods,we will resolve any quality issues that may arise.
4.We guarantee any quality problem within 1 month we will handle it.
5.We guarantee accepting video inspection or third-party inspection at any time during the production process.

FAQ

Sample:

Samples can be offered with Samples charges and courier fee by you.But Samples charges will be return to you after you place an order.

Production Line:

more than 10 production lines.Many styles for you choice.

OEM/ODM&Logo Stamp:

OEM/ODM order are accepted. Any logo printing or design are free of charges.

Transport:

We have own international Logistics company,it is Class-One agent of MSC/MSK/APL/CMA/COSCO/OOCL/MOL.
Supple the best transport plan and charges for you .Also ensure delivery the goods within short time.
 

Transportation safety guarantee: 

Our logistics having good-tracked system. Will inform you the goods transport status message at any time until you pick up the goods.

After-Sale Service:

1.We are glad to supply the better suggestion of the price and products.Including the goods stockpile and application .
2.Will supply the latest market price information for you at any time.
3.Welcome to visit our company.Insure you will have a good time in China.