High Strength ASTM A252 Welded SSAW Spiral Steel Pipe for Foundation / Marine / Bridge Piling Projects

• Customization: Available
• After-sales Service: Supplied
• Warranty: Supplied
• Model NO.: High Strength ASTM A252 Welded SSAW Spiral Steel P
• Product Categories: Welded Pipe
• Product Display: Structure Steel Pipe
• Material Grade: Gr.a/L210, B/L245, X42/L290
• Manufacturing Standards: ASTM A53/ A312/ A554, En10219, BS1139, etc.
• Corrosion Protection and Packaging: Painting, Hot-DIP Gavanizied, Steel Banding
• Main Purpose: Structural Tube, Mechanical Structure Tube, Steel
• DN: 1/8-60 Inches
• Sch10s: 1.24-7.92 mm
• S-Xxs: 7.47-25.5 mm
• Usages: Structure Building
• Application: Pipeline System
• Name: Structure Pipe
• Chemical Composition: C 0.07-0.13
• Si: 0.17-0.37
• Mn: 0.35-0.65
• Transport Package: Plywoo Case/Export Package/Plastic Bags
• Specification: OD 33mm – 660mm WT 1.2mm – 25mm
• Trademark: EZSTEEL
• Origin: China
• Production Capacity: 50000tons

Product Description

Product Description

 

Chemical Composition(%)
Standard	Grade	C	Si	Mn	P	S	Cr	Ni	Cu	V
GB/T 8162	10	0.07-0.13	0.17-0.37	0.35-0.65	≤0.025	≤0.020	≤0.15	≤0.30	≤0.25	-
	20	0.17-0.23	0.17-0.37	0.35-0.65	≤0.025	≤0.020	≤0.25	≤0.30	≤0.25	-
	35	0.32-0.39	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.30	≤0.25	-
	45	0.42-0.50	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.30	≤0.25	-
	Q345A	≤0.20	≤0.55	1.00-1.60	≤0.025	≤0.020	≤0.30	≤0.30	≤0.30	-
	Q345B	≤0.20	≤0.55	1.00-1.60	≤0.025	≤0.020	≤0.30	≤0.30	≤0.30	-
	Q345C	≤0.20	≤0.55	1.00-1.60	≤0.025	≤0.020	≤0.30	≤0.30	≤0.30	0.02-0.15
	Q345D	≤0.18	≤0.55	1.00-1.60	≤0.025	≤0.020	≤0.30	≤0.30	≤0.30	0.02-0.15
	Q345E	≤0.18	≤0.55	1.00-1.60	≤0.025	≤0.020	≤0.30	≤0.30	≤0.30	0.02-0.15
DIN 1629	St37.0	≤0.17	0.17-0.37	0.35-0.65	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	St44.0	≤0.21	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	St55	0.33-0.41	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	St52.0	≤0.22	≤0.55	≤1.60	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-
	CK45	0.42-0.50	0.17-0.37	0.50-0.80	≤0.025	≤0.020	≤0.25	≤0.25	≤0.25	-

 

Mechanical Properties
Standard	Grade	Tensile strength (MPa)	Yield Strength Not less than		Elongation  Not less than	Impact test
						Temperature	Absorbed evergy
			≤16mm	>16-30mm
GB/T 8162	10	≥335	205	195	24	-	-
	20	≥410	245	235	20	-	-
	35	≥510	305	295	17	-	-
	45	≥590	335	325	14	-	-
	Q345A	470-630	345	325	20	-	-
	Q345B	470-630	345	325	20	20	34
	Q345C	470-630	345	325	21	0	34
	Q345D	470-630	345	325	21	-20	34
	Q345E	470-630	345	325	21	-40	27
DIN 1629	-	-	≤16mm	> 16mm	-	-	-
	St37.0	350-480	235	225	25	-	-
	St44.0	420-550	275	265	21	-	-
	St55	540-645	295	285	17	-	-
	St52.0	500-650	355	345	21	-	-
	CK45	590-730	335	325	14	-	-

ABOUT US

 EZ STEEL INDUSTRIAL CO., LTD, together with LONG-RUN METALS CO., LTD, is the export division and window company of EZ STEEL GROUP, which was founded in 1996 and has been committed to the development and manufacturing of industrial tubes in the past 20 years. It is one of the largest steel tube manufacturing enterprise groups in China. The group possesses fixed assets of over 200 million and more than 800 employees with an annual production capacity of over 300 thousand tons.
     
    The company has continuously introduced the world's advanced manufacturing equipment and is now able to produce welded and seamless steel tubes, copper tubes, and nickel alloy tubes. We also have our own coating facilities and workshops for further processing. After years of development, EZ STEEL GROUP and the affiliated enterprises have obtained many kinds of domestic and international certifications including ISO 9001 Quality Management System Certification, ISO14000 Environment Management System Certification, CE, License for the Manufacture of Pressure Piping in China, etc. The company has obtained good domestic achievements and is the nominated supplier of CNPC, and CNOOC. The products are exported to Southeast Asia, the Middle East and Africa, Europe, Australia, and North and Latin Americas via trade companies, and are widely used in pipeline works, foundation works, steel structure works, boiler and condenser fabrication, oil refinery plant, power plant, sugar-making plant, ship-building and offshore construction projects, etc.

    Holding the concept of First-class Brand, First-class Service, First-class Value, EZ STEEL GROUP is aiming to build up a win-win enterprise platform for both our customers and employees.