Description:ASTM A270 Welded Stainless Steel Sanitary Tubing

Standard: ASTM A270,A269, A249,JIS G3447 ,DIN 11850

Material:TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L ,SUS304/304L, SUS309S,SUS310S,SUS316/316L,SUS317L,SUS321,SUS347(1.4301, 1.4306, 1.4948, 1.4401, 1.4404, 1.4571, 1.4541, 1.4833, 1.4878, 1.4550, 1.4462, 1.4438, 1.4845) 

Size range:OD 1/4" to 12" (6mm to 273mm),THk 0.02" to 0.3" (0.5mm to 7.6mm)

Length:20 m(Max) or as your requirement

Process: EFW (argon arc welding /TIG, plasma arc welding/PAW, and submerged arc welding/SAW) 

Finish: Annealed & pickled, bright annealing, polished

Ends: Beveled or plain end, square cut, burr free ,Plastic Cap at Both end

Packing: Bare packing/bundle packing with woven bag/wooden or steel frame crate packing/plastic cap protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Inspection and Test Procedure
1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material
2.100% Dimension & Visual Examination
3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reverse Flattening Test
4.100% Air Under Water Pressure Test,100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT)
5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)
6.Straightness Test  (optional)
7.Roughness Test (optional)
8.Intergranular Corrosion Test(optional)
9.Impact Test (optional)
10.Grain Size Determinations (optional)
NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.
ASTM A270 , A249 , A269 , JIS G3447 & G3463 TOLERANCE COMPARISION TABLE