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Galvanized Seamless Square Tube S280GD+Z

Product Name: Galvanized Seamless Square Tube
Grade; Q235b, Q345b, etc. Zinc layer thickness 15g, 80g, 120g, 150g, 240g

More specifications & Grade

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◉ Product Details

Product Name: Galvanized Seamless Square Tube

Grade: Q235b, Q345b, etc. Zinc layer thickness 15g, 80g, 120g, 150g, 240g

Standard: GB/T8162-2018

Approach: Hot rolling, cold rolling

Customized Processing: bending, welding, cutting, punching, polishing, tempering and rolling, or according to customer requirements

Application: Widely used in pipelines for conveying fluids, doors and windows steel for lightweight structures in buildings, furniture, various agricultural machinery, sheds, wire conduits, high-rise shelves, containers, etc

MOQ: Regularly 25 Tons/1 Container or Customized According Your Request

Packaging: Standard airworthiness export packaging: Waterproof paper+steel triple packaging+wooden box

Lead Time: 7-15 days

Chemical composition:

grade	Chemical composition ， %， ≤						ReL/Mpa	Rm/Mpa	A50mm/%
grade	碳 C	硅 Si	锰 Mn	磷 P	硫 S	铝Alt	ReL/Mpa	Rm/Mpa	A50mm/%
Q235	0.17	0.35	1.40	0.040	0.040		≥235	370~500	≥26
Q345	0.20	0.50	1.70	0.035	0.035		≥345	470~630	≥21

Grade	Chemicai composition(WT%)
	碳	锰	镍	硅	磷	硫	铬	铜
	(C)	(Mn)	(Ni)	(Si)	(P)	(S)	(Cr)	(Cu)
16Mn	0.13～0.19	1.20～1.60	≤0.30	0.20～0.60	≤0.030	≤0.030	≤0.30	≤0.25

grade	Chemical composition ， %， ≤						ReL/Mpa	Rm/Mpa	A80mm/%
grade	碳 C	硅 Si	锰 Mn	磷 P	硫 S	钛Ti	ReL/Mpa	Rm/Mpa	A80mm/%
DX51D+Z	0.12	0.50	0.60	0.100	0.045	0.30		270~500	≥22
DX52D+Z	0.12	0.50	0.60	0.100	0.045	0.30	140~300	270~420	≥26
DX53D+Z	0.12	0.50	0.60	0.100	0.045	0.30	140~260	270~380	≥30
DX54D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~220	260~350	≥36
DX56D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~280	260~350	≥39
DX57D+Z	0.12	0.50	0.60	0.100	0.045	0.30	120~170	260~350	≥41
S280GD+Z	0.20	0.60	0.70	0.100	0.045		≥280	≥360	≥18
S320GD+Z	0.20	0.60	0.70	0.100	0.045		≥320	≥390	≥17
S350GD+Z	0.20	0.60	0.70	0.100	0.045		≥350	≥420	≥16

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