High Quality 15mm Hot Dipped Gi Round Steel Tubing Pre Galvanized Steel Round Tube Pipe

Product Description

INCH	OD	API 5L ASTM A53 A106 Standard Wall Thickness
	(MM)	SCH 10	SCH 20	SCH 40	SCH 60	SCH 80	SCH 100	SCH 160
		(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)
1/4"	13.7			2.24		3.02
3/8"	17.1			2.31		3.2
1/2"	21.3	2.11		2.77		3.73		4.78
3/4"	26.7	2.11		2.87		3.91		5.56
1"	33.4	2.77		3.38		4.55		6.35
1-1/4"	42.2	2.77		3.56		4.85		6.35
1-1/2"	48.3	2.77		3.68		5.08		7.14
2"	60.3	2.77		3.91		5.54		8.74
2-1/2"	73	3.05		5.16		7.01		9.53
3"	88.9	3.05		5.49		7.62		11.13
3-1/2"	101.6	3.05		5.74		8.08
4"	114.3	3.05	4.50	6.02		8.56		13.49
5"	141.3	3.4		6.55		9.53		15.88
6"	168.3	3.4		7.11		10.97		18.26
8"	219.1	3.76	6.35	8.18	10.31	12.70	15.09	23.01
10"	273	4.19	6.35	9.27	12.7	15.09	18.26	28.58
12"	323.8	4.57	6.35	10.31	14.27	17.48	21.44	33.32
14"	355	6.35	7.92	11.13	15.09	19.05	23.83	36.71
16"	406	6.35	7.92	12.70	16.66	21.44	26.19	40.49
18"	457	6.35	7.92	14.27	19.05	23.83	29.36	46.24
20"	508	6.35	9.53	15.09	20.62	26.19	32.54	50.01
22"	559	6.35	9.53		22.23	28.58	34.93	54.98
24"	610	6.35	9.53	17.48	24.61	30.96	38.89	59.54
26"	660	7.92	12.7

Chemical composition of Welded Carbon steel pipe:

Grade	Chemical composition (%)
	C	Mn	Si	P	S	Al
Q235A	0.14~0.22	0.30~0.65	≤0.30	≤0.045	≤0.050
Q235B	0.12~0.20	0.30~0.67	≤0.30	≤0.045	≤0.045
Q235C	≤0.18	0.35~0.80	≤0.30	≤0.040	≤0.040
Q235D	≤0.17	0.35~0.80	≤0.35	≤0.035	≤0.040
Q345A	≤0.20	≤1.70	≤0.50	≤0.035	≤0.035
Q345B	≤0.20	≤1.70	≤0.50	≤0.035	≤0.035
Q345C	≤0.20	≤1.70	≤0.50	≤0.030	≤0.030	≥0.015
Q345D	≤0.18	≤1.70	≤0.50	≤0.030	≤0.025	≥0.015
Q345E	≤0.18	≤1.70	≤0.50	≤0.025	≤0.020	≥0.015

Galvanized steel pipe is a widely used piping system material with properties such as corrosion resistance, pressure resistance and weather resistance, making it widely used in many fields. The following are the application areas of galvanized steel pipes:

Construction field: Galvanized steel pipes are used in plumbing systems, water supply pipes, stair handrails, railings, etc. in building structures. Due to their corrosion resistance, galvanized steel pipes are also often used in outdoor pipes and structures.

Municipal field: Mainly used for transporting tap water, sewage, gas and heat pipes, withstanding high pressure and strong corrosiveness.

Fire protection field: Galvanized steel pipes are used as fire water supply pipes, and their outer layer is usually coated with a layer of paint to improve corrosion resistance and extend service life.

Industrial fields: Galvanized steel pipes are used in the oil and gas industry for oil wells and oil field pipeline transportation and storage. They are also widely used in the field of mechanical processing, such as the manufacturing of vehicles, trains, airplanes and other transportation vehicles.

Highway and bridge fields: Galvanized steel pipes are used in protective guardrails, bridge supports, tunnel ventilation ducts, etc.

In addition, galvanized steel pipes are also used in many manufacturing industrial fields such as electric power, railway vehicles, automobile industry, containers, sports facilities, agricultural machinery, petroleum machinery, and mining machinery. Galvanized steel pipes are divided into hot-dip galvanized steel pipes and cold-dip galvanized steel pipes. Hot-dip galvanized steel pipes are generally considered more suitable for applications with long-term exposure to the environment due to their more uniform coating and stronger corrosion resistance.

Package

1. Bundle packing.2. Bevelled end or plain end or warnished as per buyer's requestments.3. Marking: as per customer's requests.4. Painting varnish coating on the pipe.5. Plastic caps at ends.25 tons/container for pipe with usual outer diameter.For 20" container the max length is 6m;(diagonal loading)For 40" container the max length is 12m.(diagonal loading)

1.Q: Are you trading company or manufacturer ?
A: We are professional manufacturer for steel pipe, and our company also is a very professional a trade company for steel

2.Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.

3.Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.

4.Q: Do you accept the third party inspection?
A: Yes absolutely we accept.

5.Q: How do we trust your company?
A: We specialise in steel business for years, headquarter locates in Shandong province, you are welcome to investigate in any ways.

6.Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours, Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.

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