Q235 Black Mild Steel Pipe Carbon Steel Pipe Building Material

• Customization: Available
• Type: Welded
• Technique: ERW
• Model NO.: LK200504
• 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
• Quality: Can Be Continuesly Uesd More Than 5 Years
• Surface: Can Be Oiled, Painted or as Customers' Request
• Length: 3 -12m or as Customers' Requests
• Ends: Bevelled, Threaded, Plain, as Customers' Requests
• Grade: Q195, Q235, Q345
• Package: Bundle with Steel Strip or as Customers' Requests
• Transport Package: Export in Bundle
• Specification: 1/2'' - 12''
• Trademark: TYT(tianyingtai)
• Origin: China
• HS Code: 7306309000
• Production Capacity: 500000 Ton / Year

Product Description

Product Description

Black steel pipe
Pipe Type	Specification/mm	Thickness/mm	Specification/mm	Thickness/mm
rectangular pipe	10*20	0.5-2.0	76*38	0.8-3.0
	10*30	0.5-2.0	45*75	0.8-3.0
	20*30	0.5-3.0	100*50	1.0-5.0
	40*20	0.5-3.0	100*60	1.5-5.0
	50*20	0.6-2.0	50*25	0.6-2.0
	75*25	0.7-2.0	70*20	0.7-2.0
	40*30	1.2-3.0	100*80	1.5-5.0
	50*25	1.5-3.0	120*50	2.0-5.0
	50*30	0.7-4.0	120*60	2.0-5.0
	60*30	0.7-4.0	120*80	2.0-5.0
	70*30	0.7-2.5
	60*40	0.7-4.0	160*80	2.75-5.0
	70*50	1.5-4.0	100*150	2.75-5.0
	80*40	0.9-4.0	100*200	2.75-5.0
	80*60	1.7-5.0	200*300	2.75-14
	90*50	1.7-5.0	200*400	2.75-14
	90*60	1.5-5.0	300*400	2.75-14
	100*40	1.5-5.0	300*500	2.75-14
	15*15	0.5-2.0	19*19	0.5-2.0
Square Pipe	20*20	0.5-2.0	100*100	2.0-5.0
	24*24	0.5-2.0	125*125	3.0-5.75
	25*25	1.2-3.0	110*110	2.0-5.0
	30*30	1.2-3.0	120*120	2.0-5.0
	40*40	0.6-4.0	130*130	2.0-5.0
	50*50	0.7-4.0	140*140	2.0-5.0
	60*60	1.0-4.0	150*150	2.75-5.0
	70*70	1.7-5.0	200*200	2.75-14
	75*75	1.7-5.0	250*250	2.75-14
	80*80	1.7-5.0	300*300	2.75-14
	90*90	2.0-5.0	400*400	2.75-14
Round Pipe	17-273(3/8" -10" )	0.8-12"

Product  Chemical Composition & Mechanical Properties
Grade	Chemical Composition					Mechanical Properties
	C	Mn	Si	S	P	Yield	Tensile	Elongati
						Strength Mpa	Strenth Mpa	-on %
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

Company Profile

FAQ

Here are the most important concerns of our customers before purchasing.

Q1:Are you a manufacturer?

Yes, We are an OEM and ODM manufacturer with a professional multi-lingual sales team. We have our own factory, which is located in TIANJIN, CHINA. We have been a leading power for 20 years in producing and exporting steel pipe, galvanized steel pipe, hollow section, galvanized hollow section, etc.

Q2:Do you provide samples?

Yes, we can provide a free sample of 20 cm length for free, and you can feel the quality of our products by paying the basic shipping cost.

Q3:How can we get the offer?

Please offer the specification of the product, such as material, size, shape, etc. So we can give the best offer. If any questions, please contact us freely by E-mail or Telephone.

Q4:Do you have quality control?

We have our own testing center. We perform all the necessary tests on a daily basis to ensure product quality, including chemical composition analysis, mechanical properties testing, technical properties testing, and cosmetic inspections.

Q5:Can I go to China to inspect the factory?

Of course, if you want to come to inspect the factory, our consultant will arrange the schedule for you. In addition, we support ZOOM videos for online factory inspection.

Q6:How soon will my order be delivered?

For regular-size products, we can guarantee delivery in as little as 3 business days. For OEM customers, our delivery time is typically 20-30 days.

Q7:How do  pay and payment option?

We usually accept 30% T/T deposit, Western Union, paypal and L/C at sight payment. For long-term customers, we offer negotiable payment options. After payment, our consultant will update the product progress in real time.

 

Q8:How to guarantee the product after sale?

We can guarantee the quality within 20 days after you receive the goods. If you find any defective products the first time, such as knocked flat, anti-alkali, rust, pipe mouth deformation, and other problems in transit, we will discuss the details of compensation with you on a case-by-case basis.

Why Choose Us

PROCESSING LINES

WORKERS AND STAFF

FACTORY AND TEST CENTER

We have processing lines, can satisfy various requests of customers. Producing and processing one-stop service.

More than 400 workers and more than 100 staff are supporting the perfect service and products for you.

We have our own factory and experimental test center to achieve cost and quality control.