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Black Round Carbon Seel Seamless Pipe & ASTM A106 Steel Tube

Black Round Carbon Seel Seamless Pipe & ASTM A53 Steel Tube

Our seamless carbon steel round pipes are made of high-quality raw materials and undergo strict quality control and certificate certification to ensure stable and reliable product quality. We provide seamless carbon steel round pipes in various specifications and sizes to meet the different needs of our customers.
If you are interested in our products or have any questions, please feel free to contact us. We will wholeheartedly provide you with the best quality products and services.

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Model:
ATSM A53

Product Description

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Product Description

PRODUCT NAME	Black Welded Carbon Steel Pipe
STANDARD	EN/DIN/JIS/ASTM/BS/ASME/AISI etc.
OUTER DIAMETER	Seamless : 1/4"-36"	Welded:21.3mm-3620mm
	Round Tube : 1/2"-10"	Square Tube/Rectangular Tube:15x15mm-400x600mm
WALL THICKNESS	Seamless : 1.25mm-50mm	Welded: 1.65mm-65mm
TECHNIQUE	Hot rolled (HR)or Cold rolled (CR)
GRADES	10# 20# 35#45# 50# 60#Q345B Q345C Q345D Q345E,Q235B Q235R Q355B ST12 ST37 ST52
LENGTH	3-12 meters, Support customization
SURFACE PROCESS	Bright,Polished,Black
SERVICES	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

carbon steel pipe supplier

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Chemical Composition

A53	Grade	C	Mn	P	S	Cu	Ni	Cr	Mo	V
TypeS(Seamless)	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
TypeS(Seamless)	B	0.3	1.2	0.05	0.05	0.40.4	0.4	0.4	0.15	0.08
TypeE(Resistance Welding)	A	0.25	0.95	0.05	0.05	0.4	0.4	0.4	0.15	0.08
TypeE(Resistance Welding)	B	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08
TypeF(Furnace Welding)	A	0.3	1.2	0.05	0.05	0.4	0.4	0.4	0.15	0.08

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Mechanical Properties

A53	GradeA	GradeB
Tensile Strength Min.psi(MPa)	48,000(330)	60,000(415)
Yield Strength Min.psi(MPa)	30,000(205)	35,000(240)

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Physical Performance

Density 20℃Kg/dm3	Modulus of Elasticity Kn/2 mm				Coefficient of Thermal Conductivity 20°℃ w/m k	Heat Capacity 20°℃ J/kg k
Density 20℃Kg/dm3	20C°	300C°	400C°	450C°	Coefficient of Thermal Conductivity 20°℃ w/m k	Heat Capacity 20°℃ J/kg k
7.85	210	192	184	179	51	461

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Scope of Application

Construction: underground pipeline, underground water, hot water transmission, mechanical processing, bearing sleeve, processing machinery parts, etc.
Electrical: natural gas transmission, hydroelectric fluid pipelines, anti-static pipes for wind farms, etc.

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Product Advantages

PRODUCTION ADVANTAGES

Application

FAQ

FAQs

Q1:Can you send samples?

A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?

A:Please kindly provide the grade, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:What ports of shipment are there?

A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?

A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can specify other ports according to your needs.
Q5：Do you provide custom made Products service?

A:Prices various according to periodic price changes of raw materials.
Q6:What are the certifications for your products?

A:We have ISO 9001, MTC, third parties’ inspections are all available such BV ect.
Q7:Can I go to your factory to visit?

A:Of course, we welcome customers from all over the world to visit our factory.
Q8: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.
Q9: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 and customers can appoint third parties to inspect the products before loading too.
Q10:How to pack the products?

A: Standard export sea-worthy packaging, the inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion and various climate changes during ocean transportation.