G40 Regular Spangle Zinc Galvanized Steel Plate 0.12-6.00mm Thickness 600-1500mm Width

Price Negotiable

Price: USD 560-880

MOQ: 1Ton

Delivery Time: 7-15days

Brand: HYX

Product Description

Product Overview

G40 galvanized steel plate features a zinc coating that provides excellent corrosion resistance by preventing moisture from reaching the steel substrate. The "G40" designation indicates an average coating weight that delivers moderate protection, extending the service life of steel structures across various applications.

Applications

Widely used in industrial, agricultural, construction, transportation, energy, chemical processing, home appliances, communications, and defense sectors.

Technical Specifications

Parameter	Specification
Thickness	0.12mm - 6.00mm
Width	600mm - 1500mm
Length	1m - 12m (Custom lengths available)
Standards	AISI, ASTM, DIN, JIS, GB, SUS, EN
Zinc Coating	Hot Galvanizing: 60-275g/m² Pre-galvanized: 80-275g/m²

Chemical Composition

For Cold Forming - Chinese Standard

Grade	C	Si	Mn	P	S	Ti
DX51D+Z	0.12	0.50	0.60	0.100	0.045	0.30
DX52D+Z	0.12	0.50	0.60	0.100	0.045	0.30
DX53D+Z	0.12	0.50	0.60	0.100	0.045	0.30
DX54D+Z	0.12	0.50	0.60	0.100	0.045	0.30
DX56D+Z	0.12	0.50	0.60	0.100	0.045	0.30
DX57D+Z	0.12	0.50	0.60	0.100	0.045	0.30

For Cold Forming - Japanese Standard

Grade	C	Si	Mn	P	S	Ti
SGCC	0.15	0.50	0.80	0.050	0.030	0.025
SGCD1	0.12	0.50	0.60	0.040	0.030	0.025
SGCD2	0.10	0.50	0.45	0.030	0.030	0.025
SGCD3	0.08	0.50	0.45	0.030	0.030	0.025
SGCD4	0.06	0.50	0.45	0.030	0.030	0.025

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
DX51D Z/ZM/AZ/AM	240-380	270-500	22
DX52D Z/ZM/AZ/AM	140-300	270-420	26
DX53D Z/ZM/AZ/AM	140-260	270-380	30
DX54D Z/ZM/AZ/AM	120-220	260-350	36
S220GD Z/ZM/AM	220	300	20
S250GD Z/ZM/AZ/AM	250	330	19
S280GD Z/ZM/AM	280	360	18
S300GD A/AM	300	380	18
S320GD Z/ZM/AM	320	390	17
S350GD Z/ZM/AZ/AM	350	420	16
S450GD A/AM	450	480	15
S550GD Z/ZM/AZ/AM	550	550	-

Galvanized Surface Types

Zero Spangle

Minimized Spangle

Normal Spangle

Large Spangle

Environmental Application Guide

Environment	Recommended Zinc Thickness
Indoor Use	Z10 or Z12 (100g/㎡ or 120g/㎡)
Suburban Areas	Z20 (200g/㎡) with painting
Urban/Industrial Areas	Z27 (270g/㎡) or G90 (US Standard) with painting
Coastal Areas	Thicker than Z27 (270g/㎡) or G90 with painting
Punch/Deep Drawing Applications	Thicker than Z27 (270g/㎡) or G90 to prevent coating peeling

Surface Treatment Options

Treatment Type	Code	Features
Chromic Acid Treatment	C	Good corrosion resistance, suitable for bare state
Chromic Acid Treatment + Oiling	S	Good corrosion resistance
Phosphoric Acid Treatment (Including Sealing)	P	Good corrosion resistance and paint performance
Phosphoric Acid Treatment (Including Sealing) + Oiling	Q	Corrosion resistance, good paint performance, prevents rust during transport
Phosphoric Acid Treatment (Excluding Sealing)	T	Good corrosion resistance and paint performance
Phosphoric Acid Treatment (Excluding Sealing) + Oiling	V	Corrosion resistance, good paint performance, prevents rust
Oiling	O	Prevents rust during transportation and storage
No Treatment	M	Suitable for immediate painting

International Standards Comparison

Chinese Standard	Japanese Standard	European Standard
DX51D Z/DC51D Z (CR)	SGCC	DX51D Z
DX52D Z/DC52D Z	SGCD1	DX52D Z
DX53D Z/DC53D Z/DX54D Z/DC54D Z	SGCD2/SGCD3	DX53D Z/DX54D Z
S220/250/280/320/350/550GD Z	SGC340/400/440/490/570	S220/250/280/320/350GD Z
DX51D Z/DD51D Z (HR)	SGHC	DX51D Z