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17 Mn 4 steel

DIN 17Mn4 steel are characterised by a good weldability. The user of DIN 17Mn4 steel must make sure that his calculation, design and processing methods are appropriate for the material. The DIN 17Mn4 steel of this series are used for manufacturing gas cylinders by welding cold-formed parts together and normalizing the inished cylinder. 

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Chemical analysis -% by mass* (max) of 17 MN 4 steel

Grade C. % Mn.% S. N Cu Nb Ti. Si. P. AL Cr. Mo. Ni Vi
17 MN 4 0.08-0.2 0.90-1.50 0.015 0.012 0.30 0.020 0.03 0.40 0.025 0.020 0.30 0.08 0.30 0.02

Mechanical properties of 17 MN 4 steel

Grade Type Thickness mm Yield strength Mpa(min) Tensile Strength  MPa Elongation % (min) Impact Energy (KVJ) (min)
-20° +20
17 MN 4 Normalized ≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 295 460-580 21 27 34 40
290 460-580 21 27 34 40
285 460-580 21 27 34 40
260 460-580 21 27 34 40
235 440-570 21 27 34 40
220 430-570 21 27 34 40