WUXI SYLAITH SPECIAL STEEL CO.,LTD
WUXI SYLAITH SPECIAL STEEL CO.,LTD has been committed to being a major supplier of quality kinds of carbon steel pipe. stainless steel pipe, hollow scetion, numerous types of piping equipments
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JIS G3444 STK290 Weld Mild Steel Tubing , Round Furniture Steel Tubes 35mm Thick
Quick Detail:
Standards: JIS G3444
Grade: STK290, STK400, STK500, STK490, STK540 ; STK30, STK41,STK,50,STK 51,STK55
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: max 24000mm
Description:
Standards: JIS G3444
Grade: STK290, STK400, STK500, STK490, STK540
Size (mm):
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35 mm
Length: max 24000mm
Application: Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark: As requested.
Delivery Condition:Annealed, Normalized, Normalized and Tempered
Chemical composition%
| Steel grade | Chemical composition,% | ||||
| C | Si | Mn | P | S | |
| STK290 | - | - | - | ≤0.050 | ≤0.050 |
| STK400 | ≤0.025 | - | - | ≤0.040 | ≤0.040 |
| STK500 | ≤0.24 | ≤0.35 | 0.30-1.30 | ≤0.040 | ≤0.040 |
| STK490 | ≤0.18 | ≤0.55 | ≤1.50 | ≤0.040 | ≤0.040 |
| STK540 | ≤0.23 | ≤0.55 | ≤1.5 | ≤0.040 | ≤0.040 |
Mechanical Properties
| Mechanical properties | Tensile strength, N/mm2 | Yield strength, N/mm2 | Elongation,% | Bending property | Weld tensile strength,N/mm2
| ||
| Longitudinal | Transverse | Angel of bending | ID | ||||
| OD | All | All | ≥40mm | ≤50mm | ≥350mm | ||
| STK290 | ≥290 | - | ≥35 | ≥25 | 90o | 6D | ≥290 |
| STK400 | ≥400 | ≥235 | ≥23 | ≥18 | 90o | 6D | ≥400 |
| STK500 | ≥500 | ≥355 | ≥15 | ≥10 | 90o | 6D | ≥500 |
| STK490 | ≥490 | ≥315 | ≥23 | ≥18 | 90o | 6D | ≥490 |
| STK540 | ≥540 | ≥390 | ≥20 | ≥16 | 90o | 6D | ≥540 |
Applications
Mainly for general structural purpose.
Tube also be widely used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
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FAQ:
Q1: ARE YOU FACTORY OR TRADER?
A1: Wuxi Sylaith Special Steel Co.,Ltd is a manufacturer of steel pipe and tube since 2010.
We've gained our Export Right and become an integrated company of industry and trade in order to satisfy buyer's multi-request on different material and products.
Q2: WHICH MATERIAL/PRODUCTS YOU CAN PROVIDE?
A2: Seamless Stainless Steel Pipe / Tube, Seamless Carbon Stainless Steel Pipe /Tube,Galvanized Steel Tube witn any Shape and Welded pipes can also be available.
Q3: HOW TO GET A SAMPLE?
A3: FREE samples are available for your checking and testing. And to get free samples, you need to send us you detailed receiving address (including post code) and your DHL/FedEx/UPS account for collecting samples, courier cost will be paid in your side.
Q4:CAN YOU PRODUCE THE PRODUCTS ACCORDING TO MY OWN DRAWINGS?
A4: Yes, we can produce the products according to your drawings that will be most satisfy you.
Q5: HOW TO VISIT YOUR FACTORY?
A5: Most of the main cities have flights to Shanghai; you can take flight to Shanghai Putong/Hongqiao International Airport.
If you come from Hongkong, it will take 2 hours by flight (every day 5 flight around noon time).