round hollow steel profile zinc coated

carbon steel:ASTM A3,A3,A53 Grade A&B ,ASME ASTM A795
2.size:1/2-26 inch (diameter)
3.Wall thickness:0.5mm-30mm

4.End Finished :Square-cut,Bevelle,Grooved

Third party inspection: SGS,BV , ISO

Applications range:

Petroleum, chemical, power, gas, water, metallurgy, shipbuilding, construction, etc

product description:

Product show

Qingdao Kwayt Co.,Ltd is the subsidiary company of Shandong Hongsheng Steel Pipe Co., Ltd. which is engaged in exportation of steel pipes and fittings. Shandong Hongsheng Steel Pipe Co., Ltd. is the largest manufacturing and sales enterprise for galvanized steel pipe ,seamless steel pipe and fittings in the north of ShandongProvince, The Company registered capital is 33.6 million yuan, covers an area of 280 acres, has 570 staffs, including 9 senior engineers and 42 engineers.

Application:

Pipe mill and machine

Q what's your main products?

A we supply seamless steel pipe, spiral steel pipe, ERW/LSAW steel pipe, butt-weld pipe fitting flanges.

Q what material are you specialized in?

A We main do ASTM A106 GR.B/A53 GR.B /API 5L GR.B DIN17175 , EN10204, EN10216, Grade: GR.B, ST45, ST35 , X42-X60, Q345B, A234 WPB, A420 WPL3/L6 / P5 / P9 / P11 / P22 ,SUS304/304L/316/316L and alloy

Q why your price was lower than others? And how about the quality of your product?

A the products all according to the standard, please rest assured. And you can test by yourself or through the third party inspection. our price with lower profits, we just want to establish business relationship with you on the basis of quality, mutually bene-fit and exchange of needed goods.

Q I want to know your tolerance of thickness. Please let me know.

A We produce the pipes and fittings according to GB API ASME and other standards strictly, the tolerance of thickness will be kept within in ±12.5%. It is standard data. Actually, we provide the tolerance will be within 6%-8% .

Q can you supply us samples?

A we just can supply part of the sample for free, but the mailing costs..

Profile Steel is used to mount, brace, support, and connect lightweight structural loads in building construction. These include pipes, electrical and data wire, round hollow steel profile zinc coated mechanical systems such as ventilation, air conditioning, and other mechanical systems. Strut channel is also used for other applications Profile Steel that require a strong framework, such as workbenches, shelving systems, equipment racks, etc. Specially made sockets are available to tighten nuts; bolts etc.
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Profile Steel is equipped with excellent equipments including two sets 1450 reversible rolling mills,round hollow steel profile zinc coated three sets 1150 reversible rolling mills, two sets galvanizing & galvalume lines, two sets color coating lines, one set correcting machine, and one set pickling line.