Tolerance for ASTM A269 TP321H Stainless Steel Pipe
WT Tolerance %
Length Tolerance inch(mm)
1 1/2-3 1/2
3 1/2-5 1/2
Grade specifications for 321H grade stainless steel
Tests and Inspection Of ASTM A269 TP321H Stainless Steel Pipe
Flattening Test,Flaring Test,Hardness Test,Hydrostatic or Nondestruction Electric Test ( Eddy Current and Ultrasonic Testing)
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, Transverse-guided face bend 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)
1.Stainless steel tubes/pipes are available in different material,sizes,shapes,finishes ets.
2.Diversfied selection austenitic stainless steel martensitic stainless steel,ferritic stainless steel and duplex stainless steel pipes of your choice.
3.Our offered pipes are acknowledged by the customers for their dimensional stability resistance against corrosion & abrasion and durability.
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