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DX51D Galvanized Round Steel

DX51D Galvanized Round Steel has low melting point, good fluidity, easy plastic processing and welding, and is resistant to atmospheric corrosion. Galvanized round steel is a geometric object made of iron or materials with certain strength and toughness by rolling, extruding, casting, hot galvanizing anti-corrosion profile surface and other processes. Hot dip galvanized round steel is produced by advanced galvanizing process, and its surface is glossy and durable. Galvanized round steel products have been used in many fields. The advantage of hot-dip galvanized round steel is that it has a long anti-corrosion life and has been a popular anti-corrosion treatment method to adapt to a wide range of environments. It is widely used in electric power tower, communication tower, railway, highway protection, street light pole, marine components, building steel structure components, substation ancillary facilities, light industry, etc. Galvanized round steel is a geometric object made of iron or materials with certain strength and toughness by rolling, extruding, casting, hot galvanizing anti-corrosion profile surface and other processes.

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Product Description

DX51D Galvanized Round Steel has low melting point, good fluidity, easy plastic processing and welding, and is resistant to atmospheric corrosion.

Galvanized round steel is a geometric object made of iron or materials with certain strength and toughness by rolling, extruding, casting, hot galvanizing anti-corrosion profile surface and other processes. Hot dip galvanized round steel is produced by advanced galvanizing process, and its surface is glossy and durable. Galvanized round steel products have been used in many fields. The advantage of hot-dip galvanized round steel is that it has a long anti-corrosion life and has been a popular anti-corrosion treatment method to adapt to a wide range of environments. It is widely used in electric power tower, communication tower, railway, highway protection, street light pole, marine components, building steel structure components, substation ancillary facilities, light industry, etc.

Product name	DX51D Galvanized Round Steel
Diameter	16-250mm or Customized
Length	Customized
Advantages	Dia< 10.00 mm, cold drawn, on request also ground; ISO h8 Dia > 10.00 mm, cold drawn, on request also ground; ISO h9 Tighter tolerances on request Out of roundness standard: ½ of diameter tolerance
Finish Line	Straightening machines Milling and chamfering devices Surface control (Circograph, Circoflux) Ultrasonic control device Antimixing control - spectrotest devices Packaging, marking
Standard	AiSi, ASTM, BS, GB, JIS, EN,AS ETC.
Surface Treatment	Galvanized
Mechanical Property	Delivery status: Tensile strength (Rm): 570 -820 MPa, size depending
Bar Processing	Heat treatment: soft annealing, normalising, isothermal, spheroidising and stress relieving treatments, quenching and tempering Peeling
Application	* Automatic lathe processing, metal stamping parts processing; * Electronic industry, optical fiber connector, optical disc drive, scanner, medical equipment; * Household appliances, instrumentation industry; * Office equipment (computers, photocopiers, cameras, fax machines, etc.); * Watch components, glasses; * Electronic terminal pin, timer, carburetor; * Decorations, light ornaments, cars, motorcycles, chains; * Clean car sweepers and toys; * Pens, handbag accessories, belt buckles, fishing gear, etc .; * Studs, screws, nuts, pipe joints, spring seats, etc.

Chemical composition

Standard	Grade	C	Si	Mn	P	S	Ti
For cold forming Chinese standard	DX51D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX52D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX53D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX54D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX56D+Z	0.12	0.50	0.60	0.100	0.045	0.30
	DX57D+Z	0.12	0.50	0.60	0.100	0.045	0.30
For cold forming Japanese standard	SGCC	0.15	0.50	0.80	0.050	0.030	0.025
	SGCD1 SGCD2	0.12 0.10	0.50 0.50	0.60 0.45	0.040 0.030	0.030 0.030	0.025 0.025
	SGCD3	0.08	0.50	0.45	0.030	0.030	0.025
	SGCD4	0.06	0.50	0.45	0.030	0.030	0.025
For structure Japanese standard	SGC340	0.25	0.50	1.70	0.200	0.035	0.025
	SGC400 SGC440	0.25 0.25	0.50 0.50	1.70 2.00	0.200 0.200	0.035 0.035	0.150 0.150
	SGC490	0.30	0.50	2.00	0.200	0.035	0.025
	SGC510	0.30	0.50	2.50	0.200	0.035	0.025
For structure AISI standard	S220GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S250GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S280GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S320GD+Z	0.20	0.60	0.70	0.100	0.045	0.025
	S350GD+Z	0.20	0.60	0.70	0.100	0.045	0.150
	S550GD+Z	0.20	0.60	0.70	0.100	0.045	0.150

Mechanical behavior

Grade	Yield Strength MPa≥	Tensile strength MPa≥	Elongation A%≥
DX51D+Z/ZM/AZ/AM	240-380	270-500	22
DX52D+Z/ZM/AZ/AM	140-300	270-420	26
DX53D+Z/ZM/AZ/AM	140-260	270-380	30
DX54D+Z/ZM/AZ/AM	120-220	260-350	36
S220GD+Z/ZM/AM	220	300	20
S250GD+Z/ZM/AZ/AM	250	330	19
S280GD+Z/ZM/AM	280	360	18
S300GD+AZ/AM	300	380	18
S320GD+Z/ZM/AM	320	390	17
S350GD+Z/ZM/AZ/AM	350	420	16
S450GD+AZ/AM	450	480	15
S550GD+Z/ZM/AZ/AM	550	550	－

Surface selection

Zero zinc flower	Small zinc flower	Normal zinc flower	Big zinc flower

Material comparison

Chinese standard	Japanese standard	European standard
DX51D+Z/DC51D+Z (CR)	SGCC	DX51D+Z
DX52D+Z/DC52D+Z	SGCD1	DX52D+Z
DX53D+Z/DC53D+Z/DX54D+Z/DC54D+Z	SGCD2/SGCD3	DX53D+Z/DX54D+Z
S220/250/280/320/350/550GD+Z	SGC340/400/440/490/570	S220/250/280/320/350GD+Z
DX51D+Z/DD51D+Z (HR)	SGHC	DX51D+Z

Packing and shipping

The company is located in the Free Trade Pilot Zone of Jinan City, Shandong Province, close to China's famous ports of Tianjin Port and Qingdao Port. It has a superior production and operation environment, convenient logistics exports, mature industrial facilities, and complete supporting industries.

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