Product name 3/8 “BA clean pipe ss304 stainless steel pipe ferrule connection biopharmaceutical fluid delivery
Classification BA clean pipe/EP super clean pipe
Ultra high purity, high precision tolerance, accurate size, excellent mechanical performance
Excellent internal surface roughness, internal surface Ra<0.4 μ M or better
Main performance indexes of 3/8 “BA clean pipe:
Tensile test: according to the standard requirements, the yield strength after the test reaches 290MPA, the tensile strength reaches 660MPA, and the elongation reaches 60%.
Flattening test: the flattening value is calculated according to the specified formula, and there is no crack in the flattening test result.
Flaring test: expand the pipe according to the inner diameter expansion rate specified in the standard, and the test result shows that there is no crack.
Hardness test: according to the required value of the standard, the HRB hardness is below 90, and the hardness value tested is about 75, which fully meets the standard requirements.
Intergranular corrosion test: sulfuric acid and copper sulfate test are used to determine the ability of austenitic stainless steel to resist intergranular corrosion. After the test lasts for a certain period of time, it is judged that there is no crack on the surface of the sample according to the bending results, which fully meets the standard requirements.
Eddy current test: according to the principle of eddy current, inspect the defects of products, test the tested products with reference to the calibration sample tube, and the test results are qualified without alarm signals.
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