{"id":3543,"date":"2025-06-18T14:24:30","date_gmt":"2025-06-18T06:24:30","guid":{"rendered":"https:\/\/www.rbymetal.com\/?post_type=product&p=3543"},"modified":"2025-06-18T14:25:06","modified_gmt":"2025-06-18T06:25:06","slug":"z275-galvanized-coil","status":"publish","type":"product","link":"https:\/\/www.rbymetal.com\/index.php\/product\/z275-galvanized-coil\/","title":{"rendered":"Z275 Galvanized Coil"},"content":{"rendered":"

\u00a0<\/strong><\/b><\/p>\n

Z275 Galvanized Coil Description<\/strong><\/b><\/h2>\n

Galvanized\u00a0coil\u00a0is a type of steel that is coated with zinc for protection by an electroplating process. The galvanized layer is applied to cold rolled steel at low temperatures.\u00a0Galvanizing is a well-known and effective method to add a protective layer to prevent the exposed steel from being corroded by natural elements. Zinc not only acts as a barrier between the environment and the steel, but it also decomposes first to protect the underlying steel and extend its service life.\u00a0Zinc is generally represented by Z. Z is the abbreviation of English Zinc. Z275\u00a0means that the galvanizing content is\u00a0275\u00a0grams per square meter, and so on. The number after Z indicates the average coating content at three points on both sides of the galvanized steel\u00a0in grams per square meter.<\/p>\n

\nScope of Application<\/strong><\/b><\/p>\n

Galvanizing products are widely used in industry, agriculture, animal husbandry and fishery, energy, transportation, chemical industry, light industry, home appliances, construction, communications, national defense and other fields.<\/p>\n

\n

Product Parameters<\/strong><\/b><\/p>\n\n\n\n\n\n\n\n\n\n
Product Name<\/td>\nZ275 Galvanized Coil<\/td>\n<\/tr>\n
Thickness<\/td>\n0.12mm-3.5mm<\/td>\n<\/tr>\n
Width<\/td>\n600mm-1500mm<\/td>\n<\/tr>\n
Length<\/td>\n508mm\/610mm, Support Customization<\/td>\n<\/tr>\n
Standard<\/td>\nAISI, ASTM, DIN, JIS, GB, JIS, SUS, EN, etc.<\/td>\n<\/tr>\n
Zinc Layer<\/td>\nHot Galvanizing: 60-275g\/m\u00b2<\/td>\n<\/tr>\n
Pre-galvanized: 80-275g\/m\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Chemical Composition<\/strong><\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Standard<\/td>\nGrade<\/td>\nC<\/td>\nSi<\/td>\nMn<\/td>\nP<\/td>\nS<\/td>\nTi<\/td>\n<\/tr>\n
Forcold Forming<\/p>\n

Chinese Standard<\/td>\n

DX51D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
DX52D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
DX53D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
DX54D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
DX56D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
DX57D+Z<\/td>\n0.12<\/td>\n0.50<\/td>\n0.60<\/td>\n0.100<\/td>\n0.045<\/td>\n0.30<\/td>\n<\/tr>\n
Forcold Forming<\/p>\n

Japanese Standard<\/td>\n

SGCC<\/td>\n0.15<\/td>\n0.50<\/td>\n0.80<\/td>\n0.050<\/td>\n0.030<\/td>\n0.025<\/td>\n<\/tr>\n
SGCD1
\nSGCD2<\/td>\n		0.12
\n0.10<\/td>\n		0.50
\n0.50<\/td>\n		0.60
\n0.45<\/td>\n		0.040
\n0.030<\/td>\n		0.030
\n0.030<\/td>\n		0.025
\n0.025<\/td>\n<\/tr>\n
SGCD3<\/td>\n0.08<\/td>\n0.50<\/td>\n0.45<\/td>\n0.030<\/td>\n0.030<\/td>\n0.025<\/td>\n<\/tr>\n
SGCD4<\/td>\n0.06<\/td>\n0.50<\/td>\n0.45<\/td>\n0.030<\/td>\n0.030<\/td>\n0.025<\/td>\n<\/tr>\n
For\u00a0Structure<\/p>\n

Japanese Standard<\/td>\n

SGC340<\/td>\n0.25<\/td>\n0.50<\/td>\n1.70<\/td>\n0.200<\/td>\n0.035<\/td>\n0.025<\/td>\n<\/tr>\n
SGC400
\nSGC440<\/td>\n		0.25
\n0.25<\/td>\n		0.50
\n0.50<\/td>\n		1.70
\n2.00<\/td>\n		0.200
\n0.200<\/td>\n		0.035
\n0.035<\/td>\n		0.150
\n0.150<\/td>\n<\/tr>\n
SGC490<\/td>\n0.30<\/td>\n0.50<\/td>\n2.00<\/td>\n0.200<\/td>\n0.035<\/td>\n0.025<\/td>\n<\/tr>\n
SGC510<\/td>\n0.30<\/td>\n0.50<\/td>\n2.50<\/td>\n0.200<\/td>\n0.035<\/td>\n0.025<\/td>\n<\/tr>\n
For\u00a0Structure<\/p>\n

AISI Standard<\/td>\n

S220GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.025<\/td>\n<\/tr>\n
S250GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.025<\/td>\n<\/tr>\n
S280GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.025<\/td>\n<\/tr>\n
S320GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.025<\/td>\n<\/tr>\n
S350GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.150<\/td>\n<\/tr>\n
S550GD+Z<\/td>\n0.20<\/td>\n0.60<\/td>\n0.70<\/td>\n0.100<\/td>\n0.045<\/td>\n0.150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mechanical Properties<\/strong><\/b><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Grade<\/td>\nYield Strength MPa\u2265<\/td>\nTensile Strength MPa\u2265<\/td>\nElongation A%\u2265<\/td>\n<\/tr>\n
DX51D Z\/ZM\/AZ\/AM<\/td>\n240-380<\/td>\n270-500<\/td>\n22<\/td>\n<\/tr>\n
DX52D Z\/ZM\/AZ\/AM<\/td>\n140-300<\/td>\n270-420<\/td>\n26<\/td>\n<\/tr>\n
DX53D Z\/ZM\/AZ\/AM<\/td>\n140-260<\/td>\n270-380<\/td>\n30<\/td>\n<\/tr>\n
DX54D Z\/ZM\/AZ\/AM<\/td>\n120-220<\/td>\n260-350<\/td>\n36<\/td>\n<\/tr>\n
S220GD Z\/ZM\/AM<\/td>\n220<\/td>\n300<\/td>\n20<\/td>\n<\/tr>\n
S250GD Z\/ZM\/AZ\/AM<\/td>\n250<\/td>\n330<\/td>\n19<\/td>\n<\/tr>\n
S280GD Z\/ZM\/AM<\/td>\n280<\/td>\n360<\/td>\n18<\/td>\n<\/tr>\n
S300GD A\/AM<\/td>\n300<\/td>\n380<\/td>\n18<\/td>\n<\/tr>\n
S320GD Z\/ZM\/AM<\/td>\n320<\/td>\n390<\/td>\n17<\/td>\n<\/tr>\n
S350GD Z\/ZM\/AZ\/AM<\/td>\n350<\/td>\n420<\/td>\n16<\/td>\n<\/tr>\n
S450GD A\/AM<\/td>\n450<\/td>\n480<\/td>\n15<\/td>\n<\/tr>\n
S550GD Z\/ZM\/AZ\/AM<\/td>\n550<\/td>\n550<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Galvanized Surface Selection<\/strong><\/b><\/p>\n\n\n\n\n
Zero Spangle<\/td>\nMinimized Spangle<\/td>\nNormal Spangle<\/td>\nLarge\u00a0Spangle<\/td>\n<\/tr>\n
\"\"<\/td>\n\"\"<\/td>\n\"\"<\/td>\n\"\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n
Use of The Environment<\/td>\nRecommended Zinc Thickness<\/td>\n<\/tr>\n
Indoor Use<\/td>\nZ10 or Z12 (100g\/\u33a1or 120g\/\u33a1)<\/td>\n<\/tr>\n
Suburbs<\/td>\nZ20 and Painting (200g\/\u33a1)<\/td>\n<\/tr>\n
Urban or Industrial Area<\/td>\nZ27 (270g\/\u33a1) or G90 (US Standard) and painted<\/td>\n<\/tr>\n
Coastal Area<\/td>\nThicker than Z27\u00a0(270g\/\u33a1) or G90 (US Standard) and painted<\/td>\n<\/tr>\n
Punch or Deep Drawing Application<\/td>\nThicker than Z27 (270grams\/\u33a1) or G90 (US Standard) avoid coating peeling after stamping<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n
Surface Treatment Type<\/td>\nCode<\/td>\nFeatures<\/td>\n<\/tr>\n
Chromic Acid Treatment<\/td>\nC<\/td>\nGood corrosion resistance, suitable for bare state<\/td>\n<\/tr>\n
Chromic Acid Treatment+Oiling<\/td>\nS<\/td>\nGood corrosion resistance<\/td>\n<\/tr>\n
Phosphoric Acid Treatment (Including Sealing Treatment)<\/td>\nP<\/td>\nHave a certain corrosion resistance, good paint performance<\/td>\n<\/tr>\n
Phosphoric Acid Treatment (Including Sealing Treatment)+Oiling<\/td>\nQ<\/td>\nHas a certain corrosion resistance, good paint performance, prevent rust during transportation and storage<\/td>\n<\/tr>\n
Phosphoric Acid Treatment (Excluding Sealing Treatment)<\/td>\nT<\/td>\nHave a certain corrosion resistance, good paint performance<\/td>\n<\/tr>\n
Phosphoric Acid Treatment (Excluding Sealing Treatment)+Oiling<\/td>\nV<\/td>\nHas a certain corrosion resistance, good paint performance, and prevent rust<\/td>\n<\/tr>\n
Oiling<\/td>\nO<\/td>\nPrevent rust during transportation and storage<\/td>\n<\/tr>\n
No Treatment<\/td>\nM<\/td>\nSuitable for immediate painting<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Material Comparison<\/strong><\/b><\/p>\n\n\n\n\n\n\n\n\n
Chinese Standard<\/td>\nJapan Standard<\/td>\nEuropean Standard<\/td>\n<\/tr>\n
DX51D Z\/DC51D Z (CR)<\/td>\nSGCC<\/td>\nDX51D Z<\/td>\n<\/tr>\n
DX52D Z\/DC52D Z<\/td>\nSGCD1<\/td>\nDX52D With<\/td>\n<\/tr>\n
DX53D Z\/DC53D Z\/DX54D Z\/DC54D Z<\/td>\nSGCD2\/SGCD3<\/td>\nDX53D Z\/DX54D Z<\/td>\n<\/tr>\n
S220\/250\/280\/320\/350\/550GD Z<\/td>\nSGC340\/400\/440\/490\/570<\/td>\nS220\/250\/280\/320\/350GD Z<\/td>\n<\/tr>\n
DX51D Z\/DD51D Z (HR)<\/td>\nSGHC<\/td>\nDX51D Z<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

The Z275 galvanized steel coil is kind of a double-sided galvanized carbon steel. This is produced by a metal coating process that passes cold rolled coils through a bath filled with molten zinc.<\/p>\n","protected":false},"featured_media":3496,"template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[],"product_cat":[54,34,29],"product_tag":[],"class_list":{"0":"post-3543","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-galvanized-coil-strip","7":"product_cat-galvanized-steel","8":"product_cat-product","10":"first","11":"instock","12":"shipping-taxable","13":"product-type-simple","14":"entry","15":"content-bg","16":"loop-entry"},"taxonomy_info":{"product_cat":[{"value":54,"label":"Galvanized Coil\/Strip"},{"value":34,"label":"Galvanized Steel"},{"value":29,"label":"Product"}]},"featured_image_src_large":["https:\/\/www.rbymetal.com\/wp-content\/uploads\/2025\/06\/8539f983-8574-4a8f-9c3e-390b082b2450.jpg",800,800,false],"author_info":[],"comment_info":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/product\/3543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/media\/3496"}],"wp:attachment":[{"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/media?parent=3543"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=3543"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=3543"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.rbymetal.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=3543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}