Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of q235 gi hollow sections hot-dip galvanized for winter corrosion resistance in China. Welcome to consult the quotation and import cheap q235 gi hollow sections hot-dip galvanized for winter corrosion resistance made in China here from our factory.

Product Description

Q235 gi hollow (Zinc coat:30-270g/m2)
Standard	Side Length(mm)		Common Tube(mm)
Q195 Q215 Q235	DN		Side Length Tolerance	Thickness	Length	Length Tolerance
	16	16	±0.5	0.7-2.2	3000-12000	+20, -0
	19	19	±0.5	0.7-2.2	3000-12000	+20, -0
	20	20	±0.5	0.7-2.2	3000-12000	+20, -0
	20	40	±0.5	0.7-2.2	3000-12000	+20, -0
	25	25	±0.5	0.7-2.2	3000-12000	+20, -0
	25	50	±0.5	0.7-2.2	3000-12000	+20, -0
	25	75	±0.5	0.7-2.2	3000-12000	+20, -0
	30	30	±0.5	0.7-2.2	3000-12000	+20, -0
	30	40	±0.5	0.7-2.2	3000-12000	+20, -0
	30	50	+0.4, -0.5	0.7-2.2	3000-12000	+20, -0
	32	32	±0.5	0.7-2.2	3000-12000	+20, -0
	35	35	±0.5	0.7-2.2	3000-12000	+20, -0
	37	57	+0.4, -0.5	0.8-2.3	3000-12000	+20, -0
	37	77	±0.5	0.8-2.3	3000-12000	+20, -0
	38	38	+0.4, -0.5	0.8-2.3	3000-12000	+20, -0
	38	75	+0.5, -0.6	1.0-2.3	3000-12000	+20, -0
	50	75	+0.5, -0.6	1.0-2.3	3000-12000	+20, -0
	40	40	+0.4, -0.5	0.8-2.3	3000-12000	+20, -0
	40	60	±0.5	0.8-2.3	3000-12000	+20, -0
	50	50	±0.5	1.0-2.3	3000-12000	+20, -0
	40	80	+0.5, -0.6	1.0-2.3	3000-12000	+20, -0
	50	75	+0.5, -0.6	1.0-2.3	3000-12000	+20, -0
	60	60	+0.5, -0.6	1.0-2.3	3000-12000	+20, -0
	50	100	±0.7	1.0-2.3	3000-12000	+20, -0
	50	150	±0.8	1.0-2.3	3000-12000	+20, -0

Product Show

Q235 gi hollow

Material/characteristic:

1.Tianyingtai is committed to long-term development, creating high-quality products and services, with the same pursuit of quality and service, stable, strong, long-term cooperation raw material suppliers, such as Haigang, Yurunde, etc., to maximize the consistency and stability of materials, product appearance and internal quality;

2.Raw materials grade : Q195, 235, 235B and Q345...

3.The zinc coating can customized for customers, up to 280 grams.

4.The purity of zinc wire is 99.99% zinc content with high purity.to remain the pipe welded seam antirust.

5.The diameter of zinc wire is 1.5mm which has great protection for welding.

6.The salt spray test can satisfy at least 8 hours without corrosion.

7.In the passivation process, we have own invention patents - galvanized pipe passivation liquid automatic spraying system to ensure even adhesion, high passivation efficiency, beautiful appearance.

8.In November 2014, it was recognized as "Tianjin Famous Trademark" by Tianjin Market and Quality Supervision Committee. The steel pipe produced and sold by the company was rated as "Tianjin Famous Brand Product" by Tianjin Municipal Government. and keep for many years.

Production processes:

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Q235 GI Hollow Sections Hot-Dip Galvanized for Winter Corrosion Resistance