Q235 Steel Pipe & Tube

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Amardeep is a renowned manufacturer, supplier, and distributor of Q235 galvanized steel pipes, based in Mumbai, India. We maintain a ready stock of these Q235 hot-dip GI pipes, offering them at highly competitive prices. Our range includes various types, sizes, wall thicknesses, diameters, shapes, and custom specifications. These GI Q235 Pipes are crafted using top-quality raw materials and state-of-the-art technology, adhering to globally recognized quality standards.

Q235 stands as a plain carbon structural steel with a yield strength of approximately 235MPa, a value that may vary with material thickness. The 'Q' symbolizes the material's yield limit, while '235' denotes the approximate yield strength in megapascals (MPa). Notably, galvanized steel Q235 pipes do not necessitate specific process treatments like preheating or post-welding heat treatment during welding. They offer practical efficiency, affordability, and high-cost performance.

Q235 Steel Pipes exhibit robustness, weldability, and excellent plasticity. They maintain their strength even when subjected to bending in cold temperatures. These galvanized steel Q235 pipes find extensive use in sectors such as engineering and construction. Applications span across factory buildings, steel bars, towers, boilers, bridges, containers, automobiles, and various welded structures that benefit from the structural properties of Q235 steel. Additionally, Q235 Structural Steel Pipes can serve as mechanical components.

Our commitment to quality ensures that all our GI Q235 Pipes undergo rigorous quality checks, guaranteeing their suitability for various environmental conditions. We also provide a range of test certificates and offer third-party inspections to further validate the quality of our pipes.

Specification of Q235 Steel Pipe

Specifications	ASTM /ASME
Galvanized steel pipe coating types	Hot Dipped Galvanized Steel Pipe Cold Galvanized Pipe or Electric Galvanized Pipe Zinc Coated Galvanized Pipe Powder Coated Galvanized Steel Pipe Epoxy Coating Galvanized Pipe PVC Coated Galvanized Pipe
Standard	EN ISO 1461
Nominal diameter	1/2″ – 4″ inches
Nominal wall thickness	2.0 mm – 4.5mm
Test pressure index Dia	10.2 mm – 168.3 mm 3 MPa 177.8mm – 323.9 mm 5 MPa
Zinc coated galvanized pipe layer thickness	For Hot galvanized : 35μm – 650μm For Cold galvanized: 5-15μm
Galvanized Steel Pipe Grades	ASTM A53 Grade B & C Seamless Galvanized ASTM A36 Grade B Seamless Galvanized
Seamless galvanized carbon steel pipes process	Finished pickling washing plating drying hanging plating cooling medicine cleaning grinding and hot galvanized finish
Types of Galvanizing coating appearance	Shiny Spangled Matte grey Shiny and dull
Test Reports	Laboratory testing, magnetic gauge test reports

Q235 Carbon Steel Pipe Chemical Composition

Steel Grade	Quality Grade	C % (≤)	Si % (≤)	Mn (≤)	P (≤)	S (≤)
Q235	Q235A	0.22	0.35	1.4	0.045	0.05
Q235B	0.2	0.35	1.4	0.045	0.045
Q235C	0.17	0.35	1.4	0.04	0.04
Q235D	0.17	0.35	1.4	0.035	0.035
Quality Grade: A<B<C<D Note: Q235B carbon content C can be ≤0.22% by agreement.

Steel Grade Q235 Pipe Mechanical Properties

Grade			Q235（GB/T 700-2006 Carbon structural steel）
			A	B	C	D
Deoxidation method			F、Z	F、Z	Z	TZ
Yield strength	Thickness or diameter	≤16	≥235MPa
		＞16-40	≥225MPa
		＞40-60	≥215MPa
		＞60-100	≥215MPa
		＞100-150	≥195MPa
		＞150-200	≥185MPa
Tensile strength			370-500MPa
Elongation after fracture	Thickness or diameter	≤40	≥26%
		＞40-60	≥25%
		＞60-100	≥24%
		＞100-150	≥22%
		＞150-200	≥21%
Impact test	Temperature (℃)		–	20	0	-20
	Impact energy (J)		–	≥27

Q235 Steel Pipe Equivalent

China	USA	Germany	Japanese	France	UK	ISO
GB	ASTM	DIN	JIS	NF	BS	ISO
Q235A Steel	Gr.D (σS230MPa)	Ust37-2 RSt37-2	SS440 SM400A (σS245MPa)		080A15 (σS235MPa)	E235B (σS235MPa)
Q235B Steel	Gr.D (σS230MPa)	S235JR S235JRG1 S235JRG2 (σS235MPa)	SS440 SM400A (σS245MPa)	S235JR S235JRG1 S235JRG2 (σS185MPa)	080A15 S235JR S235JRG1 S235JRG2 (σS185MPa)	E235B (σS235MPa)
Q235C Steel	Gr.D (σS230MPa) Gr.65 (σS240MPa)	S235JO (σS235MPa)	SM400A SM400B (σS245MPa)	S235JO (σS235MPa)	080A15 S235JO (σS235MPa)	E235C (σS235MPa)
Q235D Steel	Gr.D (σS230MPa)	S235J2G3 S235J2G4 (σS235MPa)	SM400A (σS245MPa)	S235J2G3 S235J2G4 (σS235MPa)	S235J2G3 S235J2G4 (σS235MPa)	E235D (σS235MPa)

Q235 Steel Pipe Physical Properties

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Supply and Exporter of Q235 Steel Tube in Countries like

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