All oval pipe ( seamless and welded ),be made by round steel pipe,the manufacturing process of round steel pipe according to ASTM A312/A312 - 04 Standard Specifiction

Minoutsiderdiameter	6mm
Maxoutsiderdiameter	169mm
Wallthickness	0.3mmto3.0mm
SurfaceFinished	2B,APfinish,No.1finishetc.
Type	EllipticalPipe,SquareTube,RectangularTube

Description:

We can supply type of pipe: Seamless Oval Pipe, Welded Steel Pipe; Seamless Square Pipe,Welded Square Pipe; Seamless Elliptical Pipe,Welded Elliptical Pipe;

Items	Square pipes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittings
Standard	ASTM A554, A249, A269 and A270
Material Grade	201: Ni 0.8%~1%
	202: Ni 3.5%~4.5%
	304: Ni 8%, Cr 18%
	316: Ni 10%, Cr 18%
	316L: Ni10%~14%
	430: Cr16%~18%
Outer Diameter	6mm--169mm
Thickness	0.3mm - 3.0mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
Application	Sanitary, food industry, Decoration, construction, upholstery, industry instrument
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material	Material Composition	201	202	304	316	430
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.12
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	N	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<253	<253	<200	<200

Marking:Registeredlogo,HeatNumber,SteelGrade,Standard,Size
Packing:Plasticbaginbundle
H.SCode:7304.4190 ( For seamless Oval | Elliptical | Square | Rectangular Pipe )
OrderingInformation:Itshallbetheresponsibilityofthepurchasertospecifyall requirementsthatarenecessaryforproductsunderthisspecification.Suchrequirementstobe
consideredincluded,butarenotlimitedto,thefollowing:

1).Quantity(feet,meters,ornumberoflengths)

2).Nameofmaterial(seamlesstubes)

3).Size(Table1)

4).Length(specificorrandom)

5).Condition(hotfinishedorcoldfinished)

TABLE1SizesforEllipticalOrSquare&RectangularTube

Wall

Thickness

Size

1.5 mm

2.0 mm

3.0 mm

3.5 mm

4.0 mm

4.5 mm

5.0

6.0 mm

8.0 mm

9.0 mm

10.0 mm

12.0 mm

10x10mm

10x20mm

√

20x20mm

20x40mm

√

40x40mm

40x80mm

√

50x50mm

50x100mm

√

60x60mm

60x120mm

√

80x80mm

80x160mm

√

100x100mm

100x150mm

100x200mm

√

150x150mm

150x200mm

√

200x200mm

200x250mm

200x300mm

√

300x300mm

√

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