ASTM A653 Q195 Grade 50 Hot Dipped Galvanized Steel Strip Coil

Product Specification

ASTM A653 Q195 Grade 50 Hot Dipped Galvanized Steel Strip Coil

1．Product Overview

ASTM A653 hot dipped galvanized steel strip coil is manufactured using continuous hot dip galvanizing technology to provide stable corrosion protection and reliable forming performance.

The product is widely used in construction components, appliance manufacturing, transportation equipment, industrial fabrication, and steel profile processing. Zinc coating protection helps improve durability and surface stability under humid and outdoor service conditions.

2．Technical Solution

• The galvanized strip is produced according to ASTM A653 and JIS G3302 standards using steel grades including Q195, SGCC, SGCD, DX51D+Z, and Grade 50.
• The zinc coating range from Z60 to Z275 provides corrosion resistance for industrial and structural applications.
• Available spangle options include regular, big, minimized, and zero spangle according to surface appearance requirements.
• The strip supports roll forming, welding, stamping, and fabrication processing.

3．Specifications

4．Application

• The galvanized steel strip is suitable for roof panels, garage doors, wall systems, appliance shells, ventilation systems, automotive heat shields, exhaust components, highway barriers, industrial cabinets, refrigeration equipment, furniture components, and general structural fabrication.
• It is commonly used in applications requiring corrosion resistance, forming stability, and durable zinc coating performance.

5．Processing

• The strip supports slitting, roll forming, stamping, bending, profiling, and pipe welding.
• Custom slit widths can be supplied according to processing requirements.
• Surface treatment options help improve handling, storage, and export transportation performance.
• Standard export seaworthy packing supports container shipment and long-distance transportation.

6．Advantages

• The Z60–Z275 zinc coating range provides stable corrosion resistance for indoor and outdoor applications.
• Multiple steel grades support forming, welding, and structural fabrication requirements.
• Continuous galvanizing technology ensures stable coating adhesion and dimensional consistency.
• Available spangle options support decorative and industrial appearance requirements.
• Suitable for construction, transportation, appliance manufacturing, and industrial processing applications.

7．How to Choose

• Choose Q195 or SGCC for general fabrication and commercial forming.
• Choose Grade 50 for higher strength structural applications.
• Choose higher zinc coating levels for outdoor or humid environments.
• Choose minimized or zero spangle for smoother painted or decorative surfaces.
• Confirm strip width, thickness, coating weight, and processing requirements before production.

8．FAQ

Q1．What is the main application of galvanized steel strip coil
It is mainly used in construction, appliance manufacturing, transportation equipment, industrial fabrication, and steel profile processing.

Q2．What zinc coating range is available
The available zinc coating range is Z60–Z275.

Q3．What surface finishes are available
Regular, big, minimized, and zero spangle finishes are available.

Q4．Can the strip be supplied in slit widths
Yes. Custom slit widths can be supplied according to customer requirements.

Q5．What standards are supported
The product is manufactured according to ASTM A653 and JIS G3302 standards.