Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of galvanized steel pipe 4 inch in China. Welcome to wholesale customized galvanized steel pipe 4 inch at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
A 4-inch galvanized steel pipe refers to a pipe made from galvanized steel with a nominal diameter of 4 inches. The pipe is made from galvanized steel, which is steel that has been coated with a layer of zinc to protect it from corrosion. The galvanizing process involves immersing the steel pipe into a bath of molten zinc, resulting in a protective zinc coating on the surface.
The nominal diameter of the pipe is 4 inches. Nominal diameter refers to the approximate inside diameter of the pipe, which is standardized for easy identification and compatibility with fittings and other components.
The wall thickness of the pipe can vary depending on the specific standard or schedule it conforms to. Common wall thicknesses for 4-inch galvanized steel pipes are typically classified as Schedule 40 or Schedule 80, each with different pressure ratings and applications. The wall thickness affects the strength, durability, and pressure-handling capabilities of the pipe.
Applications
Galvanized steel pipes are widely used in various applications due to their durability and corrosion resistance. Some common applications of 4-inch galvanized steel pipes include plumbing, water supply, irrigation systems, gas pipelines, HVAC (heating, ventilation, and air conditioning) systems, and structural support in construction.
|
Category |
Description |
|
Material |
Galvanized steel |
|
Nominal Diameter |
4 inches |
|
Wall Thickness |
Varies (typically Schedule 40 or Schedule 80) |
|
Length |
Customizable, common lengths: 20 ft (6.1 m), 21 ft (6.4 m) |
|
Applications |
Plumbing, water supply, irrigation, gas pipelines, HVAC, etc. |
|
Compatibility |
Standard pipe threads (e.g., NPT) |
|
Commodity |
Reasonable price hot dip galvanized round steel pipe |
|
Grade |
Q195, Q235 |
|
SGCC, SGCH, SGC340, SGC400, SGC440, SGC490, SGC570 |
|
|
SGHC, SGH340, SGH400, SGH440, SGH490, SGH540 |
|
|
DX51D, DX52D, DX53D, DX54D |
|
|
S220GD, S250GD, S280GD, S320GD, S350GD, S400GD, S500GD, S550GD |
|
|
Standard |
ISO, JIS, ASTM, AS EN |
|
Zinc coated |
40-300g/m2 |
|
Fabrication |
Plain ends, cutting, threading, etc. |
|
Surface Treatment |
Transparent oil, anti-rust oil, According to clients requirement |
|
Thickness |
1.2 ~ 12 mm |
|
OD |
20 - 508 mm |
|
Tolerance |
Thickness: ±0.01 mm |
|
MOQ |
5MT |
|
Packaging |
Packed in bundles with nylon slings |
|
Trade Term |
FOB, CFR, CIF |
|
Payment terms |
T/T, L/C at sight, West Union, D/P, D/A, Paypal |
|
Delivery time |
10-20 days after confirmed order |
Quality Inspection
About Us
Gnee (Tianjin) Multinational Trade Co., Ltd. is a large international steel production and sales enterprise integrating production, sales, processing, distribution and service. The company established its factory in 2008, covering an area of 50000 square meters. There are 200 employees, including 5 senior engineers, 10 engineers and 40 professional technicians. 14 steel production lines and 10 processing equipment, which can be processed, bent, painted, heat treated, cut, perforated, beveled, Quenched and tempered, surface treatment, etc.
Complete testing equipment and strong technical force. The annual production capacity is more than 60000tons. The company has passed ISO9001 international quality management system certification, and has successivelyobtained 8 quality system certification certificates, such as provincial enterprise credit certificate, enterprise credit certificate, quality service certificate and integrity management demonstration unit.
The company's main products: stainless steel, aluminum, carbon steel, alloy steel, plate, profile, pipe, etc. GB, ASTM, JIS, DIN and other standards can be implemented.
Packing and Transportation
FAQ
Q1. What's your advantage?
A: Honest business with competitive price and professional service on export process.
Q2. How I believe you?
A: We consider honest as the life of our company.
Q3. Can you give warranty of your products?
A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
Q4. Where are you? Can I visit you?
A: Sure, welcome to you visit our factory at any time.
Q5: How long does your delivery time take?
A: In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q6. How many countries you already exported to?
A: We have exported to America, Canada, Brazil, Chile, Colombia, Kazakhstan, Ukraine, Thailand, Pakistan, Vietnam, India, Kenya, Ghana, Somalia and other African countries. Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q7. Do you provide custom made Products service?
A: Yes, if you have your own design, we can produce according to your specification and drawin.
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