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Hot-Dipped Galvanized Steel Coil Astm A792
Composition and properties
The ASTM A792 standard divides coatings into six grades, from high to low, namely AZ150, AZ140, AZ125, AZ120, AZ110 and AZ100.
The quality grade of the coating depends on its thickness, solvent wetting test and electrical contact angle test.
In addition, the standard also stipulates the mechanical properties of the coated steel sheet, including tensile strength, yield strength, elongation and bending performance, etc. These requirements depend on the quality grade of the coating.
In addition, the standard also stipulates the mechanical properties of the coated steel sheet, including tensile strength, yield strength, elongation and bending performance, etc. These requirements depend on the quality grade of the coating.
Test methods
In terms of specimen sampling and testing, ASTM A792 describes the sampling method and specifies the test methods for the chemical composition and mechanical properties of coated steel sheets. These test methods generally include chemical analysis, optical microscopy, electron microscopy, tensile test, bending test, etc.
Applications
Construction field
Hot dip galvanized steel coil Astm A792 is widely used in building structure parts such as beams, columns, purlins, etc. Hot-dipped GI coil ASTM A792 is also commonly used in roofs, walls and other parts to protect building materials from atmospheric and water corrosion. In addition, hot-dipped steel coil ASTM A792 is also used to manufacture ventilation ducts and balcony railings to ensure that they are not easily deformed and damaged during long-term use.
Automobile Manufacturing
In automobile manufacturing, Gl steel coil Astm A792 is used to produce parts such as body, chassis, doors, etc. Its high strength, impact resistance and corrosion resistance make the car safer and more reliable.
Agricultural Field
Hot dipped Gi coil Astm A792 is used to manufacture agricultural machinery and equipment, greenhouse brackets, etc., with strong corrosion resistance and long service life.
Certification and Quality Control
1. International authoritative certification system
ASTM A792 Compliance: The whole process strictly follows the requirements of the standard, covering key indicators such as substrate composition (C/Mn/P/S content control), plating adhesion test (bending test), and zinc layer uniformity.
Multi-country certification guarantee:
✓ ISO 9001: Full Life Cycle Quality Management System Certification (with certificate number searchable)
✓ MIL-STD-753: meets military grade corrosion resistance requirements
✓ JIS G3302: Meets Japanese industrial standards and supports export to Southeast Asian markets.
✓ RoHS compliance: lead-free and chrome-free environmentally friendly process to meet the green procurement requirements of the home appliance/automotive industry.
2. Full process quality control nodes
Raw material selection: co-operative steel mills/entry inspection
Galvanising process control: zinc liquid purity/temperature profile
Finished product inspection: zinc layer weight / surface defects
About us
We are mainly engaged in steel export trade of the following steel products：HRC/HRS,CRC/CRS,GI,GL,PPGI,PPGL,ROOFING SHEETS,TINPLATE,TFS,STEEL PIPES/TUBES,WIRE RODS,REBAR,ROUND BAR,BEAM AND CHANNEL,FLAT BAR ETC. Our Products are widely used in: hardware, machinery, electrical appliances, vehicle parts, construction and other industries.
We mainly export to South America (35%), Africa (25%), the Middle East (20%), Southeast Asia (20%). Good corporate reputation, won the trust of our customers. In these areas we have established stable and long-lasting relationships with many customers based on our honesty, high quality product, reasonable price, and sincere service.
Tianjin Lishengda Steel Group has always followed international trade practices, adhering to the business philosophy of abiding by contracts, keeping promises, quality service, and mutual benefit. We are willing to sincerely cooperate with friends at home and abroad to develop together.
WHAT DO YOU WANT TO KNOWFAQ
We have made a general analysis of your questions.
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What are your prices?
Prices are subject to change based on availability and other market factors. After you contact us, we will send you an updated quote.
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Where is your factory and which port do you export?
We work with various large manufacturers in China and our factory is located in Tangshan, China, with the main port of Tianjin, but also other ports. -
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What's your MOQ?
Commonly our MOQ is one container, But different for some goods, pls contact us for detail.
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Do you test all your goods before delivery?
Yes, we would the goods test before delivery.
Interested?
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