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 

This specification covers

Seamless,straight-seamless welded,

and heavily cold worked austenitic stainless steel pipe

Manufacture Process

Seamless (SML) Pipe

Diameter Tolerance

+/-1%

Permitted Variations In 

Wall Thickness

                               Tolerance,% from Nominal          

NPS Designator                                               Over      Under       

1/8 to 21/2 inc., all t/D ratios                            20         12.5

3 to 18 inc., t/D up to 5% incl.                          22.5      12.5

3 to 18 inc., t/D over 5%                                  15          12.5

20 and larger,welded,all t/D ratios                   17.5       12.5

20 and larger,seamless,t/D up to 5% incl.        22.5      12.5

20 and larger,seamless,t/D over 5%                15         12.5

  Where: t = Nominal Wall Thickness

         D = Ordered Outside Diameter

Inspection item

1. Size(outside,wall,length); 
2. 2.Surface of Pipe;
3. Chemical Composition; 
4. Mechanical Testing
5. Hydro-static Or Nondestructive Electric Test
6. ICT(Inter-granular Corrosion Test)  etc.

Ordering Information

• Quantity(feet,meters, or number of lengths)
• Steel Grade
• Size(outside diameter,nominal wall thickness,length)
• Test report requirements etc.