S34709 1.4912 Tp347h Stainless Steel Round Tube For Heat Exchanger

Standard Specification

ASTM A312,A213,A269,A789,A790 etc.

Material

304,304L, 309S,310S,316L,317L,321,,347,347H,2205 etc.

Outer Diameter

12.7mm to76.2mm

Wall Thickness

0.5mm to 6.35mm

Length

1000mm to 18000mm

Type

Round,Square,Rectangular

Delivery condition

Cold Drawn/Cold Rolled

Thisspecificationcovers

Seamless,straight-seamlesswelded,

andheavilycoldworkedausteniticstainlesssteelpipe

ManufactureProcess

Seamless(SML)Pipe

DiameterTolerance

+/-1%

PermittedVariationsIn

WallThickness

Tolerance,%fromNominal

NPSDesignator OverUnder

1/8to21/2inc.,allt/Dratios 2012.5

3to18inc.,t/Dupto5%incl. 22.512.5

3to18inc.,t/Dover5% 15 12.5

20andlarger,welded,allt/Dratios 17.512.5

20andlarger,seamless,t/Dupto5%incl. 22.5 12.5

20andlarger,seamless,t/Dover5% 15 12.5

Where:t=NominalWallThickness

D=OrderedOutsideDiameter

Inspectionitem

1. Size(outside,wall,length);


2. 2.SurfaceofPipe;


3. ChemicalComposition;


4. MechanicalTesting


5. Hydro-staticOrNondestructiveElectricTest


6. ICT(Inter-granularCorrosionTest)etc.

OrderingInformation

• Quantity(feet,meters,ornumberoflengths)


• SteelGrade


• Size(outsidediameter,nominalwallthickness,length)


• Testreportrequirementsetc.