hot-dipped galvanized steel sheet steelcoils

hot-dipped galvanized steel sheet steelcoils System 1

hot-dipped galvanized steel sheet steelcoils

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 3000 m.t./month

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Specifications

galvanized steel coil
1.Thickness:0.135-4.0mm
2.Width:600-1500mm
3.Zinc:40g-275g
4.Material:SGCC,DX51D,G550,SPGC,etc.

product name	Galvanized steel coils
thickness	0.135mm-4.0mm
width	600mm-1500mm762mm,914mm,1000mm,1200mm,1219mm,1250mm
zinc coating	40g,60g, 80g, 90,100g, 120g, 140g,180g, 200g, 250g, 275g and so on.
standard	ASTM, AISI, DIN, GB
material	SGCC,DC51D,DX51D,DX52D,,SGCD,Q195,Q235,SGHC,DX54D, S350 GD, S450 GD,S550 GD
spangle	zero spangle, regular spangle or normal spangle
surface treatment	chromated and oiled, chromated and non-oiled
packing	export standard.
payment	T/T, L/C or DP
min order	25 tons (one 20ft FCL)
coil weight	3-8ton or as client requirement.
quality	soft or hard quality

Galvanized steel coils

STEEL GRADE	CHEMICAL COMPOSITION %						MECHANIC PROPERTY				C.B OF COATING		COATING
	C	Si	Mn	S	P	T.S		Y.S	E.L
	x103	x103	x102	x103	x103	Mpa		Mpa	%	d=0 180°		G/M²
JIS G3302 SGCC	12	30	41	31	21	480		300	13	OK		Z60-150
JIS G3302 SGCH	12	10	21	18	8	680		650		OK		Z60-150
ASTM A653 CS.B	20	30	60	35	30	386		205~380	20	OK		Z80-275
DX51D+Z	29	21	18	1.8	11	355		245	38	OK		Z80-275
G550	20	6	73	5	17	715		654	8	OK		Z80-275

Q: How are steel coils inspected for uniformity using statistical analysis?: Various techniques and procedures can be employed to inspect steel coils for uniformity using statistical analysis. The primary goal is to guarantee that the coils meet the required specifications and exhibit consistent quality throughout. One prevalent inspection method involves obtaining a representative sample of steel coils from a batch or production run. These coils are selected randomly to ensure a fair representation of the entire batch. Statistical analysis is then conducted on this sample to assess the uniformity of the coils. The initial step entails measuring various physical properties of the coils, such as thickness, width, weight, and surface defects. These measurements are recorded for each coil in the sample. The collected data is subsequently subjected to statistical analysis, encompassing mean, standard deviation, and range calculations. By calculating the mean values of the measured properties, one can determine the average values for thickness, width, weight, etc. These mean values can be compared to the desired specifications to identify any deviations or inconsistencies. The standard deviation serves as an indicator of the variability or dispersion of the data, revealing the degree to which the coils adhere to the desired specifications. A smaller standard deviation denotes greater uniformity. Furthermore, range calculations can be executed to ascertain the difference between the maximum and minimum values of the measured properties within the sample. A smaller range implies a higher level of uniformity. Statistical analysis can also incorporate the use of control charts, such as X-bar and R-charts, to visually track the variation in the measured properties over time. These charts offer a graphical representation of the data, facilitating the identification of any trends or out-of-control conditions. In summary, statistical analysis provides a systematic approach to evaluating the uniformity of steel coils by providing objective measurements and statistical indicators. By analyzing the collected data, manufacturers can detect any deviations from the desired specifications and implement appropriate corrective measures to ensure consistent quality throughout the production process.

Q: Hi, I would like to know if steel is an important material in desalination plants. If it is, could you specify what type of steel is used (i.e. flat steel products, long steel products, etc). Thanks.: If stainless steels were used they would have to be high grade, high Chromium-Nickel alloyed stainless steels. The best in the range would be the Stainless Steel 316 series with superior corrosion resistance and strength. The downside to this is the expense. Carbon steel may be used but only if reinforced with a more corrosive resistant element

Q: How are steel coils inspected for yield strength using tensile testing?: Steel coils are inspected for yield strength using a testing technique called tensile testing. Tensile testing involves subjecting a sample of the steel coil to controlled tension until it reaches its breaking point. This test helps determine various mechanical properties of the steel, including yield strength. To inspect steel coils for yield strength using tensile testing, a small strip of the coil is cut and prepared for testing. The strip is placed in a tensile testing machine, which consists of two grips that firmly hold the strip at opposite ends. The machine then applies a steadily increasing force to the strip, causing it to elongate until it ultimately breaks. During the test, the machine measures the force applied and the elongation of the strip. The yield strength is determined by identifying the point on the stress-strain curve where the material begins to deform plastically, or exhibit permanent deformation without any increase in load. The yield strength is typically reported as the stress required to cause a specific amount of plastic deformation, commonly 0.2% or 0.5%. This value represents the maximum stress that the steel can withstand without permanent deformation occurring. By conducting tensile testing on a sample of the steel coil, it is possible to determine its yield strength. This information is crucial for ensuring the quality and reliability of the steel coil, as it indicates the maximum stress it can withstand before permanent deformation occurs. Additionally, this testing method allows for the evaluation of other mechanical properties, such as ultimate tensile strength, elongation, and modulus of elasticity, providing a comprehensive understanding of the steel's performance characteristics.

Q: Can steel coils be coated with RFID technology?: Yes, steel coils can be coated with RFID technology. The RFID tags can be securely attached to the surface of the steel coils, allowing for easy tracking, inventory management, and supply chain visibility.

Q: If you keep it dry and clean, what steel will last the longest over the years with continued use and sharpening?: you eventually will wear the blade out. i have seen old guys pocketknives that they used for whittlin and the blades have deep curves in them like khukris from wear. i reccommend, 440 stainless, or something with a rockwell hardness rating above 45.

Q: The difference between aluminized color steel roll and ordinary color steel roll: Ordinary color steel roll is a composite material, also known as color coated steel plate, is used in the continuous production line on the production line after surface degreasing, phosphating and other chemical coating treatment, painted with organic coatings, made by baking products. Both steel and organic materials are a little bit different. Both the mechanical strength of steel plate and easy molding performance, but also organic materials, good decoration, corrosion resistance.

Q: Bronze came before steel, right? thanks: Yes, bronze was created a long time before steel. Steel came a long time after iron too.

Q: How are steel coils used in the production of consumer goods?: Steel coils are used in the production of consumer goods by being processed and shaped into various components, such as springs, wires, or tubes, which are then used in the manufacturing of products like automobiles, appliances, furniture, and packaging materials.

Q: Question about steel type used in bridges.?: It is used for other things besides bridges and that might be a bad use. Corten was used for very tall light standards in the Fort Worth Water Gardens with the clear understanding that it was to be kept dry. As time passed and personnel changed, somebody decided the round base with bolts sticking up was ugly and put dirt and plantings in the basin in the concrete holding the poles. The watering of the plants kept the rust going through the steel and one pole eventually fell, killing two people. The other light poles were removed.

Q: Is a steel plate the same as a steel coil?: Generally speaking, they can be used interchangeably, and the purchase price of the plate is slightly cheaper.

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