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Galvanized sheet material

Release Tme: 2023-11-07
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Galvanized sheet material
What materials are SECC and SGCC?
SECC=Electro-galvanized steel sheet: Resistant to fingerprints, has excellent corrosion resistance, and maintains the processability of cold-rolled sheets.
Usage: Home appliances, computer cases and some door panels and panels.
SGCC = hot-dip galvanized steel plate: its price is more expensive
Pure zinc hot-dip galvanized sheet coil zinc iron warehouse gold hot-dip galvanized sheet coil DC51D+Z DC54D+Z
Electro-galvanized coil SECC DC01+ZE SECCN5 CR4 ZStE1 80BH+ZE
Cold rolled/galvanized ZSTE220 SECC-P5
Hot rolled steel coil SAE1023 SAE1040
Strip steel Q235 Q235B
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What is the difference between hot-dip galvanized material DC51D and DX51D?
The German standard is ST02Z
The European standard is DX51D DIN EN 10327
The American standard is CS-B
ASTM A 653
The Japanese standard is SGCC JIS G 3302
The national standard is 01
gb25 18-2004
Baosteel's corporate standard BQB425-2004 DC51D
In fact, it belongs to the same category as DX5ID
DX51D is a bending and forming grade galvanized sheet with a steel grade serial number of 51 and low carbon steel as the base material.
Steel grade serial numbers 52-56 are steel plates or steel strips for stamping.
The main chemical composition of DX51D is as follows:
C%S0.07, Si%S0.03, Mn%≤0.50, P%≤0.025, S%≤0.025, Alt%20.020
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This is a hot-dip galvanized sheet type
DX51D+Z, DX5 ID+ZF: bending and profiling quality,
DX52D+Z, DX52D+ZF: drawing quality,
DX53D+Z, DX53D+ZF: deep drawing quality,
DX54D+Z, DX54D+ZF: special deep drawing quality,
DX56D+Z, DX56D+ZF: extra deep drawing quality.
The Chinese name of DX51D+Z275 is hot-dip galvanizing. Hot-dip galvanizing is coated with a layer of zinc. 140 means 140 grams of zinc/square meter is plated. 275 means 275 grams of zinc is plated. . The base plate used in hot-dip galvanizing is cold-rolled, and coating the cold-rolled plate with zinc is called galvanizing. Ordinary hot dip galvanizing is 80 grams. 140 and 275 belong to the high zinc layer. The main purpose of hot-dip galvanizing is to prevent steel from rusting. Converted to thickness: 80 divided by 7.14 (density of zinc) = 11.204 microns
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