Steel Coil & Coated Strip

Galvanized Steel Coil & Sheet

Himount supplies hot-dip galvanized steel coil and sheet for roofing, ducting, building products and corrosion-protected fabrication, with ASTM A653, EN 10346, JIS G3302 and GB/T 2518 references.

Product Overview

Galvanized Steel Coil & Sheet

Himount supplies hot-dip galvanized steel coil, galvanized sheet, slit coil and cut-to-length material for roofing, ducting, building accessories, light structures, appliance parts and corrosion-protected fabrication. Buyers can quote by ASTM, EN, JIS or GB references, with base steel grade, coating designation, spangle, passivation, oiling, thickness, width and packing confirmed before offer.

ASTM A653G30/G60/G90 coating calls
EN 10346DX51D/DX52D/DX53D route
JIS G3302SGCC/SGCD search terms
Z100-Z275Common coating mass RFQs

Key Specifications

Product seriesHot-dip galvanized steel coil, galvanized sheet, slit coil and cut-to-length galvanized sheet.
Primary standardsASTM A653, EN 10346, JIS G3302, GB/T 2518 and project galvanized sheet specifications.
Common gradesDX51D, DX52D, DX53D, SGCC, SGCD, CS Type B, FS, DDS and commercial or forming quality base steel references.
Coating designationsASTM coating calls include G30, G60 and G90. EN and international RFQs commonly use Z100, Z180 and Z275 total coating mass references.
Manufacturing routeContinuous hot-dip galvanizing on cold rolled or suitable base steel, with surface treatment and coating mass confirmed by order.
Supply rangeThickness, width, coating mass, spangle, passivation, oiling and coil weight are confirmed by standard, mill route and order.
Order details to confirmStandard, base grade, thickness, width, coating designation, spangle, chromated/non-chromated or passivated condition, oiling, coil weight, packing, MTC and destination port.

Typical Applications

  • Roofing sheets and building accessories
  • HVAC ducting and ventilation parts
  • Garage door, shelving and light fabrication
  • Appliance back panels and internal parts
  • Substrate for prepainted steel coil

Procurement Notes

  • Confirm whether the order requires galvanized coating or galvannealed zinc-iron coating.
  • Specify coating designation clearly, such as G90 under ASTM A653 or Z275 under EN/GB style RFQs.
  • For exposed use, confirm spangle, passivation, oiling, surface defects, wet storage stain protection and packing method.

International Model Search Index

Common standards, models and RFQ terms

Standards and grade calls
ASTM A653 galvanized sheetASTM A653 G90EN 10346 DX51D+ZDX51D Z275 galvanized coilJIS G3302 SGCCGB/T 2518 galvanized coilSGCD galvanized sheet
Coating and order phrases
G30 galvanized sheetG60 galvanized coilG90 galvanized steelZ100 zinc coatingZ180 galvanized coilZ275 galvanized sheetregular spanglezero spangle
Buyer search phrases
galvanized steel coil supplierG90 galvanized sheet exporterDX51D galvanized coilZ275 galvanized steel supplierSGCC galvanized steel coilhot dip galvanized sheet

These terms reflect common international RFQ language. Final supply must follow the ordered standard edition, project specification, MTC, inspection plan and agreed contract terms.

Buyer FAQ

Questions buyers usually confirm before order

What is the difference between G90 and Z275?

G90 is an ASTM A653 coating designation expressed in oz/ft2 total both sides. Z275 is a metric coating mass reference commonly used in EN/GB style RFQs. They are often compared in procurement, but the ordered standard should be confirmed.

Is galvanized coil the same as galvannealed sheet?

No. Galvanized sheet has a zinc coating, while galvannealed sheet has a zinc-iron alloy coating. Surface appearance, forming and painting behavior differ.

What should be confirmed for roofing applications?

Confirm base grade, coating designation, thickness, width, spangle, passivation, oiling, corrugation or downstream profiling requirement, and outdoor exposure condition.

Can galvanized coil be used for prepainted steel?

Yes, galvanized coil is commonly used as a substrate for color coated or prepainted steel. Coating mass, surface treatment and paint-system compatibility should be confirmed.

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