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

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

Product Details:

Place of Origin:	Jiangsu China (Mainland)
Brand Name:	JIANGSU HUACHENG
Certification:	ISO9001 14001 BV TUV PED DNV etc
Model Number:	HC

Payment & Shipping Terms:

Minimum Order Quantity:	5MT
Packaging Details:	Exporting package/wooden box package/Or per customers’ requirement
Delivery Time:	25~35days
Payment Terms:	30%T/T in advance or 100% L/C at sight
Supply Ability:	8000MT/Month

Detailed Product Description

Features:	Thin Wall	Application:	Machinery, Bicycles, Appliances, Furniture, Chemical, Automobiles
Delivery Condition:	Annealed, Normalized, Tempered	Grade:	STK400, STK490, STK41, STK50, STK30, STK500, STK290
Product Name:	Mild Steel Tubing	Section Shape:	Round
Standard:	JIS G3444	Surface Treatment:	Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Technique:	Seamless, Weld

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

Mechanical Properties:

Mechanical properties	Tensile strength, N/mm2	Yield strength, N/mm2	Elongation,%		Bending property		Weld tensile strength,N/mm2
Mechanical properties	Tensile strength, N/mm2	Yield strength, N/mm2	Longitudinal	Transverse	Angel of bending	ID	Weld tensile strength,N/mm2
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.

Competitive Advantage:

Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.

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