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.