Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of z40 galvanized steel coil in China. Welcome to wholesale customized z40 galvanized steel coil at low price from our factory. If you have any enquiry about free sample and cheap products, please feel free to email us.
"Z40" refers to the zinc coating weight on a galvanized steel coil. Specifically, it indicates that the galvanized steel coil has a zinc coating of 40 grams per square meter. The "Z" in "Z40" represents the zinc coating applied to the steel substrate through the hot-dip galvanizing process.
Galvanized steel coils with a Z40 coating are among the lower end of the zinc coating weight range. While they provide some level of corrosion resistance, they are typically used in less demanding applications or environments where the risk of corrosion is relatively low.
Some common applications of Z40 galvanized steel coils include light-gauge roofing, simple ductwork, and non-critical components in indoor environments. However, in more corrosive or challenging environments, higher zinc coating weights like Z60, Z80, Z100, Z275, or even Z350, may be preferred for improved corrosion protection and longevity.
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Width |
600-1500 mm |
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Zinc Coating |
30~600G/M2 |
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Coil ID |
508 / 610MM |
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Coil Weight |
3-5 Tons |
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Standard |
ASTM-A653; JIS G3302; EN10147;etc |
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Payment Terms |
T/T, LC, Western Union, Paypal, O/A, DP |
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Regular Order |
25 tons or one container, for less quantity, to contact with us for details |
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Hardness |
Soft hard(HRB60),medium hard(HRB60-85),full hard(HRB85-95) |
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Surface Structure |
Regular spangle,Minimum spangle, Zero spangle, Big spangle |
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Surface Treatment |
Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |

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Why Choose Us
BEFORE-SALE SERVICE:
1.ISO Verified Outstanding Manufacturer
2.The third party inspection:SGS,BV,CE,COC,AI and other
3.Flexible Payment:T/T,LC,O/A,CAD,DAP,
4.Sufficient Stock
5.Quick Delivery Time,Long time price validity
6.Tracking picture of transport:production,loading pictures
7.Rich experience Professional Sale Team
AFTER-SALE SERVICE: 1.Quality Guarantee After Receiving The Goods:Offer money return or ship new products for free if any problems happen 2.Technical guidance for further processing 3.VIP Service and free order after accumulated order quantity
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