Alloy steel is often subdivided into two groups: high alloy steels and low alloy steels. The difference between the two is defined somewhat arbitrarily.
Alloy steel is steel that is alloyed with a variety of elements....

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Seamless tubes
Seamless Steel Pipe is made from a solid round steel ‘billet’ which is heated and pushed...
Alloy steel pipe applies to petroleum, chemical industry, electric power, boiler, high temperature resistant, low temperature resistant, corrosion resistant steamless steel pipe used.
SunnySteel is a merchant exporter and supplier of alloy steel pipes and alloy steel tubes used for many different purposes.
Seamless pipes
Stainless Pipes and tubes
Seamless pipes
Special Alloy, Specialist Steel, High-Performance Alloys
Seamless tubes
Welded pipe including ERW, EFW and DSAW carbon steel pipe along with their respective flanges and fittings.
SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature.
SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature.
Seamless tubes
Pipe fittings are used to connect pipes. There are different varieties of pipe fittings made of various ...
Seamless tubes
We produce weldable components include elbows, tees, reducer.
Seamless tubes
A flange is a method of connecting pipes, valves, pumps and other equipment to form a piping system.
Forged Steel High-Pressure Fittings
Forged Steel High-Pressure Fittings
Forged Steel High-Pressure Fittings
Sunny Steel specializes in sccessories and we can offer a complete range of sizes, materials, standards, and grades.
ASTM A335 >>
ASTM A335 Pipe Specifications, Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A333 >>
ASTM A333 is the Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service.
ASTM A213 >>
ASTM A213M-09 Standard Specication for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.

Product Detail
ERW Steel Pipe and Tubes
We can provide you with ERW pipe, Steel pipe ,Line Pipe, Casing Pipe, structrual pipe , Structural and mechanical pipe, round pipe and tubing, suqare pipe, rectangular pipe, Hollow section pipe, API pipe etc.

Specifications:
Size:OD 10-630mm, wall thickness: 0.3-20.0mm, but we can also produce other specification according to the customers’ requirements.

       

Standards: Product Name Standard

ERW line pipe-- for the transportation of oil, natural gas and chemical materials
Standards: AP-5L PSL1/PSL2 GB/T9711.1-1997 GB/T9711.2-1999Steel
Grade :A、B、X42、X46、X52、X56、X60、X65、X70

ERW Casing pipe--petroleum and nature air exploration
Standards: API SPEC 5CT, SY/T5989
Materials :H40 J55 K55

Structure and Mechanical Roundpipe and Tubing
Standards: JIS3466、JIS3445; ASTM A513; GB/T 6728-2002
Steel Materials: carbon steel or low ally steel

Structure and Mechanical Square or Rectangular Pipe
Standards: GB/T3091 JIS G3452
Steel grade: Q215A、Q215B、Q235AB 、Q295AB、Q345AB

We are able to provide customers with quality products and perfect service.

If you want to know more information, please kind to visit our website.

Tel.:+8621-3378 0199 Fax:+8621 5107 9722 MSN Online Consultation
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