Description

The Roofing Steel Sheet Price is primarily influenced by factors such as raw material costs, product specifications, coating processes, supply and demand, and regional transportation. Also known as a corrugated roofing steel sheet or corrugated steel plate, Corrugated Metal Roofing Sheet can be directly installed on the building’s roof structure, primarily serving functions such as waterproofing, thermal insulation, and load-bearing.

Factors Affecting the Roofing Steel Sheet Price:

1. Raw material costs affect the Roofing Steel Sheet Price: The substrate (cold-rolled steel coil/hot-rolled steel coil) accounts for over 60% of the total cost, fluctuating with the prices of iron ore, coke, and metals such as zinc and aluminum; the higher the coating type (e.g., galvanized, 55% aluminized zinc, zinc-aluminum-magnesium), the higher the corrosion resistance and the higher the price.

2. Product specifications affect the Roofing Steel Sheet Price: For every 0.1mm increase in thickness (commonly 0.3–1.0mm), the cost increases by 5–8 RMB/㎡; non-standard widths (extra-wide/narrow) require customization, increasing equipment wear and tear and costs.

3. Coating and Performance Affect Roofing Steel Sheet Price: PE polyester coating is the cheapest (5-10 years weather resistance), SMP/HDP is mid-range (10-15 years), and PVDF fluorocarbon is the most expensive (20+ years, strong UV resistance, about 30-40% more expensive); whether it includes insulation (such as rock wool sandwich panels) significantly increases the unit price.

4. Supply, Demand, and Seasonal Factors Affect Roofing Steel Sheet Price: Spring (March-May) and autumn (September-November) are peak construction seasons, with concentrated demand pushing up prices; steel mill operating rates and social inventory levels affect short-term quotations; environmental policies or production restrictions may compress supply and support prices.

5. Transportation and Purchase Volume Affect Roofing Steel Sheet Price: The farther away from the production site, the higher the additional freight costs and distributor markups for small-batch purchases; large-batch direct purchases or turnkey projects usually offer a 5-15% discount.

Grade and Specifications of Roofing Steel Sheet:

Usage	Grade	Yield Strength (MPA)	Tensile Strength (MPA)	Elongation rate %
Punching galvanized steel	DX51D+Z	~	270-500	>=20
	DX52D+Z	140-300	270-420	>=22
	DX53D+Z	140-260	270-380	>=26
	DX54D+Z	140-220	270-350	>=30
Structure galvanized steel	S220GD+Z	>=220	>=300	>=18
	S250GD+Z	>=250	>=330	>=17
	S280GD+Z	>=280	>=360	>=16
	S320GD+Z	>=320	>=390	>=15
	S350GD+Z	>=350	>=420	>=14
	S400GD+Z	>=400	>=470	~
	S500GD+Z	>=500	>=530	~
	S550GD+Z	>=550	>=560	~

Standards and Classifications

ommodity	Corrugated Roofing Steel Sheet Color Coated Corrugated Board Roofing Panel
Product	Galvanized Steel	Galvalume Steel	Prepainted Steel	Prepainted Steel
			(PPGI)	(PPGL)
Thickness(mm)	0.13-1.5	0.13-0.8	0.13-0.8	0.13-0.8
Width(mm)	750-1250	750-1250	750-1250	750-1250
Surface Treatment	Zinc	Aluzinc coated	Ral color coated	Ral color coated
Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Material	SGCC, SGHC, DX51D, SGLCC, SGLHC, CGCC, CGLCC
Width(mm)	610-1250mm (after corrugated) Raw material width 762mm to 665mm(after corrugated) Raw material width 914mm to800mm(after corrugated) Raw material width 1000mm to 900mm(after corrugated) Raw material width 1200mm to 1000mm(after corrugated)
Shape	According to different application requirements,the profiled steel sheet can be pressed into a wave type,a Ttype,a V type,a rib type and the like.
Color coating（Um)	Top:5-25um Back:5-20 um or as client’s requirement
Paint Color	RAL code No. or customer’s requirement
Surface treatment	Chromed passivation,anti-finger print,skinpassed.Ral color .every piece surface can be painted logo as customer’s requirement
Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD,S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or As Requirement
Pallet weight	2-5MT customer’s requirement
Quality	Softy,half hard and hard quality
Packaging	Export standard ,seaworthy