Hot-Dip Galvanized Steel Sheet

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Product Description:

Commodity

Hot dip galvanized steel  coil and sheet

Technical Standard:

JIS 3302 / ASTM A653 /  EN10143

Grade

DX51D / DX52D/ DX53D/  S250,280,320GD

Types:

Commercial / Drawing /  Deep Drawing / Structural quality

Width

500/650/726/820/914/1000/1200/1219/1220/1250mm

Length

2000/2448/2800/3000/5000mm

Thickness

0.12-2.8mm

Type of coating:

Galvanized

Zinc coating

Z30-275g/m2

Surface Treatment

Chromed / Skin-pass/ Oiled/Slightly  Oiled/ Dry/ Anti-fingerprint

Surface structure:

Zero spangle / minimized  spangle / regular spangle/ big spangle

ID coil

508mm or 610mm

Coil weight

3-8 MT per coil

Package:

Properly packed for ocean  freight exportation in 20''containers

Application:

Industrial panels,  roofing and siding for painting

Price terms

FOB,CFR,CIF

Payment terms

T/T or L/C

Delivery time

Within 30 days

Remarks

Insurance is all risks

MTC will be handed on  with shipping documents

We accept the third party  certification test,such as SGS/BV

Technicaldata :

Hot dipped galvanized coil Technical Data

Chemical  Composition

GRADE

C

Si

Mn

P

S

Ti

SGCC/DX51D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

DX52D+Z

≤0.10

≤0.50

≤0.60

≤0.10

≤0.030

≤0.020

SGCD/DX53D+Z

≤0.10

≤0.30

≤0.50

≤0.05

≤0.030

≤0.020

SGCE/DX54D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

DX56D+Z

≤0.10

≤0.30

≤0.30

≤0.03

≤0.020

≤0.020

Structural

≤0.20

≤0.60

≤1.70

≤0.10

≤0.045

Hot  dipped galvanized steel coil Mechanical Properties

GRADE

Yield  Strength MPa

Tensile  Strength MPa

Elongation  %

SGCC(DX51D+Z)

≥205

≥270

-

SGCD(DX53D+Z)

-

≥270

38

SGCE(DX54D+Z)

-

≥270

40

DX56D+Z

-

≥270

42


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Q:Steel plate for steel structure, what kind of steel plate is it?
The grades of carbon structural steel are composed of four parts: the yield strength, the letter Q, the yield strength value, the quality grade mark (ABCD), and the deoxidation method notation (FZTZ).
Q:What's the difference between single rolling steel sheet and continuous rolling steel plate?
Continuous plate refers to the hot rolling and cold rolling steel plate, rolling steel in rolling end is rolling roll, after Kaiping became a continuous plate after segmentation, due to the presence of curling and Kaiping rolling steel process, usually there are some residual stress, usually thin (less than 25mm) is narrow (usually below 2100mm).
Q:Should the carbon fiber reinforce the steel bar on the side of the beam?
Chemical anchorage, chemical anchor bolt, carbon fiber reinforcement, steel reinforcement, fill crack traps, rust, concrete cutting drilling and repairing concrete foundation reinforcement etc..
Q:What is the aging property of steel plates?
Timeliness refers to the change in performance with time.
Q:Must the welding between steel sheets be opened?
But thicker plates, such as 12mm or above, are difficult to guarantee welding qualification even if they are welded with SAWYour problem may be welded on the unprofessional people say, feel good on the surface of welding ends, not the same? In fact, welded or esoteric, without welding, or cracks and other defects, the strength will be greatly reduced, and the use of steel plate are generally in force or place very good welding pressure, it is easy to have an accident.
Q:What is hot and cold rolled steel plate? How to distinguish? What high hardness? Which will produce noisy eye?
As the name suggests, hot rolling, rolling temperature is high, so the deformation resistance is small, can achieve large deformation in rolling steel plate. For example, the general continuous casting slab thickness is about 230mm, and after roughing mill and finishing mill, the final thickness of 1~20mm. at the same time, because the steel plate width thickness ratio is small, the size precision is relatively low, not easy appear the flatness problem, mainly to control the convexity. For the organization required, generally through controlled rolling and cooling control is realized, microstructure and mechanical properties of the rolling temperature, finishing temperature and coiling temperature to control strip finishing. Cold, generally in the heating process is not open before rolling. However, because the strip thickness is small, it is easy to appear the flatness problem. Moreover, after cold rolling is finished, therefore, in order to control the dimensional accuracy and surface quality of steel strip, using a lot of tedious process. The cold rolling production line, equipment, process complex With the user to improve the shape and surface quality of the strip size precision, plate, cold rolling mill control model, L1 and L2 system, the shape control means relative to hot. And temperature is one of the important control index of rolls and strip.
Q:What welding rod should be used for welding of cast iron and Q235B steel plate?
Such as outdoor and field construction, should be relatively closed work environment, do a good job of wind work, reduce air flow. Two. Use acetylene torch to preheat the welding and its surrounding parts, and then weld them to a temperature. Three, welding side edge knocking release and eliminate stress. Four, slow cooling is correct, after welding torch with air flow slow heating, avoid welding temperature drop.
Q:What is the difference between hot rolled steel and controlled rolled steel plate? Can two plates be used interchangeably?
It is widely used in hot rolling technology. The utility model has the advantages that the mechanical property of the steel plate is mainly improved by means of control, and the level of the heat treatment plate is achieved. The control plate is included in the hot rolled plate. As for the exchange, mainly depends on your material performance requirements.
Q:Is the pattern steel plate hot-dip galvanized steel?
The pattern steel plate is hot-dip galvanized steel sheet, and its manufacturing process is in the form of hot dip galvanized steel sheet:1. Hot embossing;2 CNC punching and bending;3 、 welding and splicing.
Q:What is a die steel plate?
The profiled sheet steel plate has the advantages of easy processing, light weight, fast installation, simple operation, and the tedious process of removing and dismantling the formwork.

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