Round Annealed Seamless Stainless Steel Tube For High-pressure Boiler ASTM 730630900 manufacturer from China Zhangjiagang A.P Steel Co.,Ltd.

Round Annealed Seamless Stainless Steel Tube For High-pressure Boiler ASTM

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: 730630900

Round Annealed Seamless Stainless St

Round Annealed Seamless Stainless Steel Tube For High-pressure Boiler ASTM

Quick Detail:

Standards: ASTM A106 , ASME SA106
Applications: bending, curling and similar forming processes.
Available steel grades: GradeA GradeB and GradeC.
Size: (mm)
Diameter 6mm to 350mm mm;
Thickness 1 to 30 mm;
Length: 5m~25m;

Dimension tolerance comparison Chart
OD(mm)	GB/T3639	DIN2391(EN10305)	We can control	Our Advantage
6-30mm	±0.10mm	±0.08mm	±0.05mm	±0.02mm
31-40mm	±0.15mm	±0.15mm	±0.05mm	±0.03mm
41-50mm	±0.20mm	±0.20mm	±0.05mm	±0.03mm
51-60mm	±0.25mm	±0.25mm	±0.08mm	±0.03mm
61-65mm	±0.30mm	±0.30mm	±0.10mm	±0.05mm
Thick tolerance	±0.12mm	±0.10mm	±0.05mm	±0.03mm

1, Size accuracy
The outside path admission deviation that solder take care of includes the elliptical park a cent , two class, see the table 3, table 4.

Outside path in class deviation mm table 3

Outside path in class deviation mm table 4

Outside path	Admission deviation
<25	±0.10
≥25~38.1	±0.15
>38.1~50	±0.20
≥50~63.5	0.25
>63.5~76	±0.30
≥76~102	±0.40

Outside path	Admission deviation
≤10	±0.15
>10~32	±0.20
>32~50	±0.30
>50	±0.8%

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.