DIN 17456 Seamless Circular Stainless Steel Tubes for General Purpose
General Purpose Seamless Circular Stainless Steel Tubes
DIN17456 standard for general purpose welded circular tubes made of stainless ferritic, martensitic or austensitic or austenitic steels as given in table 1. Tubes of this kind may be used in construction, or in the food, pharmaceutical and automobile industries, as well as for domestic installations or decorative purposes.
Steel grade and their chemical composition in the cast analysis
Minimum values for 0.2% and 1% proof stresses for steels at elevated temperatures and guidelines for limit temperatures with regard to intercrystalline corrosion
Product forms and finish
c1 Hot worked, heat treated descaled
Metallically clean
c2 Hot worked, heat treated pickled
Metallically clean
f Mechanically or chemically descaled, cold worked, not heat treated
Metallically bright drawn, considerably smoother than forms c1and c2
g Cold worked, heat treated not descaled
Scaled
h Cold worked, heat treated pickled
Metallically bright pickled, smoother than form c2
m Cold worked, heat treated scale-free
Metallically bright annealed, smoother than form h
n1 Scale-free, cold tempered (polished by tempering), not heat treated
Metallically polished drawn, smoother than forms h and m
n2 Cold tempered (polished by tempering), heat treated,scale-free
Metallically bright annealed, smoother than forms h and m
o Ground
Ground, metallically bright, with type of grinding to be agreed when ordering
p Polished
Polished, metallically bright, with type and quality of polish to be agreed when ordering
Dimension and mass per unit length for tubes made of stainless ferritic or martensitic steels
Limit deviations for outside diameters and wall thicknesses
Limit deviations for exact lengths
Packing
Producing Process
Product Tags:
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DIN 17456 Seamless Circular Stainless Steel Tubes for General Purpose Images
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