Galvanized steel coil
ASTM A792 is an American material specification. This type of steel sheet is produced by immersing a thin steel sheet into a molten zinc bath that adheres a layer of zinc to its surface, mainly by a continuous galvanising process.
Hot-dip galvanized steel coil Astm A792 is widely used in various applications where corrosion protection and corrosion resistance are required, such as construction, automotive, home appliances, container manufacturing and other fields. Its good adhesion of paint and weldability make it widely used in several industries.
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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
| Product Name | galvanized steel coil |
| Size | 2.0*1250*C, 1.5*1250*C, 0.8*1250*C, 1.0*1250*C, 1.2*1250*C, 1.0*1000*C, 1.2*1000*C, 1.5*1000*C, 0.8*1000*C, 0.7*1000*C, 0.7*1250*C, 0.9*1250*C, 2.0*1000*C, 0.6*1250*C, 0.9*1000*C |
| Thickness | 0.12 ~6.0 mm |
| Grades | DX51D,DX52D,DX53D,DX54D,S220GD,S250GD,S280GD,S320GD,S350GD,S400GD,S450GD,S500GD |
| Standard | JIS G3302-94; GB/T 12754-2019; ASTM-A653; JIS G3302; EN10147;etc |
| Hardness | Soft hard(60), medium hard(HRB60-85), full hard(HRB85-95) |
| Surface structure | Regular spangle, Minimum spangle, Zero spangle, Big spangle |
| Surface treatment | Chromated/Non-Chromated, Oiled/Non-oiled, Skin pass |
| Material | Hot-rolled strip steel: SPHC,SPHD,SPHE,STW |
| mild steel:DX51D+Z,DX52D+Z | |
| constructional steel:S250GD+Z,S350GD+Z,S450GD+Z,S550GD+Z | |
| Hot-dip galvanized sheet:Q235B,08AL,Q390D | |
| Zinc-iron alloy hot-dip galvanized sheet:DC04 | |
| Processing Services | Coarse processing (such as planing, rolling, etc.) |
| Application | Automotive use, solar energy, metal products, household appliances, containers, machinery manufacturing, sanitary ware, pressure vessels, daily-use electrical appliances, structural pipe manufacturing.etc. |
| Advantages | ready stock, faster delivery time; available in all sizes, customized; high quality |
Packing Details
1) 4 eye steel bands and 4 circumferential steel bands.
2) Galvanized steel fluted rings on inner and outer edges.
3) Galvanized steel sheet and waterproof paper wall protection.
4) Galvanized steel and waterproof paper around circumference and bore protection.
