310S 2205 AP Finished Small Diameter Stainless Steel Tubing For Building Decoration

Standard Specification

ASTM A312,A213,A249,A269,A270A789,A554,A790,etc.

Material

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

Outer Diameter

0.8mm to 6mm

Wall Thickness

0.25mm to 1mm

Length

As Required

Type                            

Round,Square Or Other

Delivery condition

Cold Rolled/Cold Drawn

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. 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.