Welding Round Tube Steel Q195 Q235 Q345 Straight Black Seam Welded Pipe

• Customization: Available
• After-sales Service: 24-Hour Network Service
• Warranty: Lifetime Warranty
• Model NO.: Q195 Q235 Q345
• Technique: ERW
• Material: Carbon Steel
• Surface Treatment: Antiseptical
• Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Construction & Decoration, Special Purpose
• Section Shape: Round
• Outer Diameter: 10 - 3200 mm
• Tolerance: +/-1%
• Oiled or Non-Oiled: Non-Oiled
• Alloy or Not: Is Alloy
• Special Pipe: API Pipe, EMT Pipe, Spiral Steel Pip
• Thickness: 3mm-60mm
• Surface: Hot Rolled
• Sample: Sample Freely
• MOQ: 1 Ton
• Price Term: CIF Fob CFR Ex-Work
• Processing Service: Welding, Cutting
• Technology: ERW,Dsaw,SSAW,LSAW
• Inspection: Thirdy Inspection Party
• Certificate: CE ISO9001
• Invoicing: by Theoretical Weight
• Transport Package: in Bundle
• Specification: Length: 6m, Customized
• Trademark: Great Steel
• Origin: Shandong, China
• Production Capacity: 3000tons Per Day

Product Description

 

Standard	API5L, ASTM A106 Gr.B, ASTM A53 Gr.B, ASTM A270, ASTM A249, ASTM A511,ASTM A778 ,ASTM A312,ASTM A358,ASTM A409,ASTM A213,ASTM A790,ASTM A268,ASTM A269,ASTM A554,ASTM B338,ASTM B673,ASTM B674,ASTM B677,ASTM B675, ASTM B676, ASTM B690,ASTM A928,ASME B36.19,ASMEB36.10,ASTMA179/A192/A213/A210/370WP91,WP11,WP2
	GB5310-2009,GB3087-2008,GB6479-2013,GB9948-2013,GB/T8163-2008, GB8162-2008,GB/T17396-2009
	EN10216-5,EN10217-7,DIN 17456,DIN 17458
	JIS G3463,JIS G3119,JIS G3446,JIS G3218,JIS G3258,JIS G3448,JIS H4631
	DEP 31,DEP 40,DEP 20,DEP 32,DNV-OS-F101
Grade	Q195 = S195 / A53 Grade A
	Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
	Q345 = S355JR / A500 Grade B Grade C
Outer Diameter	ERW / HFW	LSAW / DSAW	SSAW / HSAW	RHS	SHS
	1/8 - 20 inch	12 - 56 inch	8 - 126 inch	40 x 20 mm	15 x 15 mm
	(10.3-508 mm)	(323.8-1,420 mm)	(219.1-3,200 mm)	-1,000 x 800 mm	-1,000× 1,000 mm
Wall Thickness	0.4 - 16 mm	6.0 - 40 mm	6.0 - 26 mm	1.0 - 30 mm	0.6 - 30 mm
Length	5.8~12.0 m or as customized
Surface Treatment	Prime quality (bared, oiled, color paint, 3LPE, or other anti-corrosive treatment)
Inspection	With Chemical Composition and Mechanical Properties Analysis;
	Dimensional and Visual Inspection, also with Nondestructive Inspection.

product display

Welded steel pipe is a type of steel pipe that is formed by welding steel plates or steel coils together to create a cylindrical shape. The welding process used can be either electric resistance welding (ERW) or submerged arc welding (SAW).

Welded steel pipes are commonly used in various industries, including oil and gas, construction, and water supply. They are known for their strength, durability, and ability to withstand high pressure and temperature conditions.

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FAQ

Q:Can I get samples before order ?

A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.

 

Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.

 

Q:How can I get a quotation from you ?

A:You can leave us message, and we will reply every message in time. Or we may talk on line.

 

Q:What product information do I need to provide?

A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

 

Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.

 

Q:How do we trust your company? 
We specialise in steel business for years as golden supplier on Alibaba, headquarter locates in Liaocheng, Shandong province, you are welcome to investigate in any ways, by all means, you could place an order in Alibaba with trade assurance which could secure your payment.