ERW Galvanized Steel Square Tube 1.2mm Thickness with Q235B/Q345B Material for Greenhouse Construction

Price Negotiable

Price: USD 600-750 per Ton

MOQ: 1 Ton

Delivery Time: 7-15 days

Brand: OEM

Product Description

ERW Galvanized Steel Square Tube 1.2mm

High-quality galvanized steel square pipes manufactured using Electric Resistance Welding (ERW) technology, designed for industrial applications including greenhouse construction, structural frameworks, and building projects.

Key Features & Services

Free samples available upon request
Factory visits and production inspections welcome
Efficient shipping and fast delivery options
Professional quality testing team and third-party certification
Hot-dipped galvanized coating for superior corrosion resistance

Material Composition Specifications

Grade	C	Mn	Si	S	P	UTS(MPa)	YS(MPa)	EI(%)
Q235B	0.12-0.20	0.30-0.70	0.30	0.045	0.045	375-500	235	26
Q345B	0.12-0.20	1.20-1.60	0.20-0.55	≤ 0.045	≤ 0.045	510-600	345	22
20#(GB)	0.17-0.23	0.38-0.65	0.17-0.37	≤ 0.030	≤ 0.030	410-550	≥ 245	≥ 20

Available Sizes & Thickness

Square Hollow Section	Thickness (mm)
20×20, 25×25, 30×30	1.2-3.0
40×40, 50×50	1.2-4.75
60×60	1.2-5.75
70×70, 80×80, 75×75, 90×90, 100×100	1.5-5.75
120×120, 140×140, 150×150	2.5-10.0
160×160, 180×180, 200×200	3.5-12.0
400×400, 280×280, 450×300, 450×200	5.0-20.0
250×250, 300×300, 400×200, 350×350, 350×300	4.5-15.75

Production Process

Product Images

ERW galvanized steel square tube sample 1

ERW galvanized steel square tube technical specifications

ERW galvanized steel square tube sample 2

Quality Assurance & Packaging

Our products undergo rigorous quality control through 16+ manufacturing processes and include third-party inspection reports. We provide professional packaging solutions tailored to product specifications to ensure safe transportation and delivery.