Hot Dipped Zinc Coated Iron Steel Coils

Product Definition and Classification
Hot-dip galvanized steel coils are corrosion-resistant steels made by dipping carbon steel coils into molten zinc (approximately 450°C) to form a zinc-iron alloy layer (Zn-Fe). Based on the weight of the zinc layer, they are categorized as follows:
Z60-Z120: Zinc layer 60-120g/m² (light corrosion protection)
Z180-Z275: Zinc layer 180-275g/m² (heavy corrosion protection, such as building structures)
Technical Parameters and Pricing
Thickness 0.12-6.0mm (common 0.3-3.0mm)
Zinc layer weight 30-600g/m² (double-sided)
Core Application Scenarios
Construction: Roof panels, wall panels (requires a zinc coating of Z180 or higher)
Home Appliance Manufacturing: Refrigerator back panels, washing machine housings (Z60-Z80)
Automotive: Chassis components, exhaust pipes (requires fingerprint-resistant treatment)

Product namecarbon steel coil
Technical standardHot rolled ; cold rolled; colled drawn
grade of materialscold rolld:SPCC,SPCD,DC01,DC04,St12,sae1008,q235 etc.
hot rolled: A36,A283C,SS400,SPHC,S235JR,St37-2,Q195 etc.
standardAISI,ASTM,BS,DIN,GB,JIS,ANSI
certificateBV,TUV,ISO 9001:2008/BV
trade clauseFOB CIF EXW CFR
payment clause30% TT 70% final payment
final payment8-14days
hot issue marketRussia Pakistan USA Japan Australian New Zealand Canada Korea India Singapore Algeria etc.
stock sizeHot Rolled Thickness:2.75mm-100mm Cold Rolled Thickness:0.2mm-3mm 1250-2500mm(regular width 1000mm,1250mm,1500mm )as Your Request
Processing serviceBare,Black,Oiled,Shot Blasted,Spray Paint,Coated,Galvanized,or as Your Request
surface treatmentBending, Welding, Decoiling, Cutting, Punching, Polishing
MOQ1ton


       

       

cold rolld steel colis        

Grade (JIS)Grade (EN)Grade (DIN)Grade (ASTM/SAE)Grade (GB)C (%)Mn (%)P (%)S (%)Si (%)Fe (%)
SPCCDC01St121008Q195≤0.12≤0.60≤0.045≤0.045-Bal.
SPCDDC03St131010Q215≤0.10≤0.45≤0.035≤0.035-Bal.
SPCEDC04St141015Q235≤0.08≤0.40≤0.030≤0.030-Bal.
SPCFDC06St151018Q275≤0.06≤0.35≤0.025≤0.025-Bal.
Grade (JIS)Grade (EN)Grade (DIN)Grade (ASTM/SAE)Grade (GB)Tensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HRB)
SPCCDC01St121008Q195270-410140-260≥2860-80
SPCDDC03St131010Q215270-410140-260≥3060-80
SPCEDC04St141015Q235270-410140-260≥3260-80
SPCFDC06St151018Q275270-410140-260≥3460-80

       

       

hot rolld steel colis        

Grade (JIS)Grade (EN)Grade (DIN)Grade (ASTM/SAE)Grade (GB)C (%)Mn (%)P (%)S (%)Si (%)Fe (%)
SS330S235JRSt33A36Q235≤0.18≤1.60≤0.040≤0.040-Bal.
SS400S275JRSt37-2A283CQ345≤0.20≤1.60≤0.040≤0.040-Bal.
SS490S355JRSt44-2A572-50Q390≤0.22≤1.60≤0.040≤0.040-Bal.
SPHCS235J0St37-3A570-33Q195≤0.12≤0.60≤0.045≤0.045-Bal.
Grade (JIS)Grade (EN)Grade (DIN)Grade (ASTM/SAE)Grade (GB)Tensile Strength (MPa)Yield Strength (MPa)Elongation (%)
SS330S235JRSt33A36Q235330-430235≥23
SS400S275JRSt37-2A283CQ345400-510275≥21
SS490S355JRSt44-2A572-50Q390490-610355≥19
SPHCS235J0St37-3A570-33Q195270-410195≥25

       

         

       

       

       

       

       

Shandong Tanggang Metal Products Co., Ltd. is located in Jinan, China's largest steel production base, adjacent to the ports of Tianjin and Qingdao. We manufacture and supply stainless steel, carbon steel, steel plates, steel pipes, galvanized steel coils, color-coated galvanized steel coils, and various profiles (rails, I-beams, H-beams, angles, etc.) year-round. We can also customize other metal products according to customer needs. Our annual export volume is approximately 1.1 million tons. We guarantee that almost all inquiries will be processed within three hours. We have a professional testing center equipped with advanced testing equipment and employing over ten technical experts and professional testing personnel. We provide chemical composition analysis, mechanical property testing, and microstructure analysis of steel, providing reliable assurance of product quality and supporting product research and development and improvement. All products are supplied in accordance with DIN/EN, ASTM/ASME, DIN, and JIS standards, and can be supplied according to customer-provided standards and technical specifications. Our clients include industries such as petroleum, chemical machinery, power generation, water treatment equipment, elevators, kitchenware, food processing, pressure vessels, and solar water heaters. Our business principles are: customer first, excellent quality, comprehensive product range, and reasonable pricing. Shandong Tanggang Metal Products Co., Ltd. sincerely hopes to establish long-term cooperative relationships with our customers for mutual benefit and common development.


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