Description: Stainless Steel Seamless Heat Exchanger/Boiler

TubeStandard: ASTM  A213, A269, A312, A511, A789, A790, A376, EN 10216-5, EN 10297,DIN 17456, DIN 17458,JISG3459, JIS GS3463, GS3467, JIS G3448, GOST 9940, GOST 9941,

Material:
TP304/304L/304H, 316/316L, 321/321H, 317/317L, 347/347H, 309S, 310S, 2205, 2507, 904L (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) 

Nominal Dia: 1/2 "to 24" NB for seamless pipe

Schedules: 5S, 10S, 40S, 80S, 10, 20, 30...120, 140, 160, XXS All dimensions are in accordance with ANSI B36.19 and ANSI B36.10 

Size Range for tubing: 
OD:1/4" (6.25mm) to 8" (203mm),
WT 0.02" (0.5mm) to 0.5"(12mm)
Length:30 m(Max) or as your requirement

Process: Cold drawn, Cold rolled, Precision Rolled for Seamless Pipe or Tube

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 ,Reversed Flattening Test
4.100% 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.

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