Q345B Black Welded Square Steel Pipe

Q345B right-angle square tube is a low-alloy, high-strength structural steel tube with a yield strength of 345 MPa and a tensile strength of 470-630 MPa. It is usually welded using high-frequency welding or submerged arc welding.

Q345B Square Hollow Section Specification

Material	16Mn, Q195, Q215, Q235, Q345, SS400, ST32, ST52, ASTM A500, ASTM A36 and so on.
Standard	ASTM, BS, JIS, ASTM A513-2007, BS EN10219, JIS G3466
Side length	15-600mm
Thickness	0.125mm-5mm
Length	Any Length Below 16 Meter
Technique	ERW welded, hot dipped galvanized, pre-galvanized
Zinc-coating	Pre-galvanized steel tube: 30g/m2-80g/m2 Galvanized steel tube:200g/m2-400g/m2
Surface	Galvanized, oiled, non-oiled, painted and so on.
Shape	round,square,rectangular
Used	Mechanical & manufacture, Steel structure, Ship building, Bridging ,Automobile chassis, construction
Packing	1. Big OD: in bulk 2. Small OD: packed by steel strips 3. the standard of export 4. According to the requirements of customers

Q345B Welded Square Steel Pipe

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: Can we visit your factory?
A: You are very welcome to visit. We will arrange for pickup once we have your schedule.

Q: Do you have quality control?
A: Yes, we are certified by ISO and SGS.

Q: Can you arrange shipment?
A: Of course. We use a fixed freight forwarder who can secure the best rates from most shipping companies and provide professional service.

Q: How long is your delivery time?
A: For stock items, we can deliver the goods to the loading port within 7 days after receiving your deposit. For items requiring production, it usually takes about 15-30 days after receiving the deposit.

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