JIS G3444 STK290 Weld Mild Steel Tubing , Round Furniture Steel Tubes 35mm Thick HC manufacturer from China Huacheng Industry Pipe Making Corporation.

JIS G3444 STK290 Weld Mild Steel Tubing , Round Furniture Steel Tubes 35mm Thick

Place of Origin:

Jiangsu, China (Mainland)


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Product Detail

Model No.: HC

JIS G3444 STK290 Weld Mild Stee

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,%
Steel grade	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