GB/T3091 Galvanized ERW Steel Pipe

Feature of GB/T3091 galvanized erw steel pipe

1. Corrosion resistance: The surface of galvanized steel pipes is covered with a layer of zinc, which forms a dense layer of zinc oxide, effectively preventing corrosion of the steel pipes and extending their service life.

2. Excellent mechanical properties: GB/T 3091 galvanized erw steel pipe has high strength and good toughness, and can withstand pressure and impact force.

Specification

Product name	Galvanized ERW Steel Pipe
Place of origin	Tianjin China
Brand	WL
Standard	GB/T3091
Material grade	Q215A, Q215B, Q235A, Q235B, Q295A, Q295B,Q345A, Q345B, etc.
Out diameter	10.3mm-457.2mm
Wall thickness	1mm-20mm
Length	4m-12m or Customized length
Technique	Electric Resistance Welding (ERW)
Surface treatment	Hot dipped galvanized or as per clients' requirements
Weight of zinc coating	≥500g/m2 on average
Packing	In bundles with steel strips ot in loose

The size table of GB/T3091 galvanized erw steel pipe

OD≤168.3mm

OD>168.3mm

Mechanical properties

Material grade	Tensile strength,min(Mpa)	Yield strength,min(Mpa)	Elongation after breaking,min(%)
			D≤168.3	D>168.3
Q215A	335	215	15	20
Q215B
Q235A	375	235
Q235B
Q295A	390	295	13	18
Q295B
Q345A	510	345
Q345B

Product show

Product Inspection

In order to ensure that the quality of our products can meet clients' requirements, we have a professional quality test team to control quality.

Applications

GB/T3091 Galvanized erw steel pipes are mainly used for conveying generally low-pressure fluids such as water, gas, air, oil, and heating hot water or steam.

About us

FAQ 

Q: Can you provide some samples? Any charge?

A: We can provide free samples for clients, but the transportation costs not be included.

Q: Do you check the quality of all goods before delivery?

A: Yes, we check the goods before delivery.

Q: What is your advantages?

A: 1. Customized according to needs: We are customized according to customer demand.

     2. Integrity management: Our company has established a long-term stable cooperative relationship with world-famous manufacturers. The integrity management has won the favor of the majority of the customers.

     3. High quality products: We have a professional team with technical knowledge and management experience. So that we can guarantee the best quality of our products.

     4. Convenient transportation: Our company is located in Tianjin, and is less than 10 kilometers away from the Tianjin Port. So convenient for loading and transportation.

     5. Excellent services: 24 hours technical support and after-sale services.

Q: How is your payments term?

A: One is 30% advance payment by T/T after signing contract and the 70% balance due upon receipt of a copy of BL; the other is an irrevocable L/C for 100% at sight.

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