Product List
Square tube and Rectangle tube
1. Standard: ASTM A36, A500, EN10025, EN10255
2. Materials: ASTM A36, A500, GR.B, S195T, SS400, ST37, ST52.3 etc.
3. Specification: 15*15mm-800*800mm.
4. Shape: square, rectangle.
5. The surface treatment: hot galvanized, coated with oil, pickling.
6. Application: Widely used in machinery manufacturing, construction, metallurgical industry, agricultural vehicles, agricultural greenhouses, automotive, railway, highway guardrail, container framework, furniture, decoration as well as steel and other fields.
Square tube and Rectangle tube quality inspection:
1. Our factory has its own "experimental testing center".CNAS Laboratory Accreditation Certificate
2.Control quality strictly.The first pass is the quality inspection on the production line,The second pass is full inspection of the production quality .
3.We have got internationally recognized certificates, ISO, CE, LR,Philippine certificate,also support third-party testing,as SGS, BV, ect.
Square tube and Rectangle tube advantages
The dimensions of Shenlong square tubes and rectangle tubes are in full compliance with EN ASTM standards; and the tube welds are 100% non-destructive, and the length of the products can be customized.
Square tube And Rectangle tube Quality Standard:
GB/T 13793 | Longitudinal electric resistance welded steel tubes |
GB/T 6728 | Cold formed steel hollow sections for general structure–Dimensions,shapes,weight and permissble deviations |
ASTM A500 | Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes |
ASTM A53 | Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
EN 10210 | Hot finished structural hollow sections of non-alloy and fine grain structural steels |
EN 10219 | Cold formed welded structural hollow sections of non-alloy and fine grain steels |
JIS G 3466 | Carbon steel Square for general structural purposes |
BS 1387 | Steel Tubes for use for Water, Gas, Air and Steam |
BS 6323 | PART5 SEAMLESS AND WELDED STEEL TUBES FOR AUTOMOBILE MECHANICAL AND GENERAL ENGINEER PURPOSE |
IS : 1161 | Steel Tubes For Structural purpose and Electric poles. |
IS : 3601 | Steel tubes for mechanical & general engineering purposes. |
IS : 3074 | Steel tubes for Automobile purpose. |
IS : 4923 | Steel tubes for Hollow sections used in structures |
DIN 1626 | WELDED CIRCULAR TUBES OF NON ALLOY STEELS WITH SPECIAL QUALITY EQUIREMENTS |
DIN 2394 | WELDED AND SIZED PRECISION STEEL TUBES |