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14NiCrMo13-4

14NiCrMo13-4 

Under EN 10084-1998 standard,14NiCrMo13-4  Alloy steel Forging : Shafts with

flanks/pipes/tubes/slugs/bar/donuts/ring/cubes/other shapes,14NiCrMo13-4 Alloy steel Application fields is very

wide,such as Zinc-coating  base plates and cold-rolled annealing base plates, Construction and furniture.

14NiCrMo13-4 EN 10084-1998, Number: 1.6657 Comparison of steel grades
JUS -
DIN 14NiCrMo13-4
BS -
UNI 16NiCrMo12
AISI -
NF -

  Chemical composition (cast analysis)

Chemical elements C Si max Mn P max. S Cr Mo Ni
%, by mass 0,11-0,17 0,40 0,30-0,60 0,035 ≤ 0,035 0,80-1,10 0,10-0,25 3,00-3,50
Permissible deviation ±  0,02 + 0,03 ± 0,04 + 0,005 +  0,005 ± 0,05 ± 0,02 ± 0,07

    Hardness limits for steel

Hardness HRC at a distance from quenched end of test piece (in milimetres) of
mm 1,5 3 5 7 9 11 13 15 20 25 30 35 40 45 50  
+H max. 47 47 46 46 46 46 46 45 43 42 40 39 38 - -  
min. 39 39 37 36 36 36 35 33 31 30 28 27 26 - -  
+HH max. 47 47 46 46 46 46 46 45 43 42 40 39 38 - -  
min. 42 42 40 39 39 39 39 37 35 34 32 31 30 - -  
+HL max. 44 44 43 43 43 43 42 41 39 38 36 35 34 - -  
min. 39 39 37 36 36 36 35 33 31 30 28 27 26 - -  

    Hardness requirements for products delivered in the conditions ’’treated to improve shearabilita’’ (+S), ’’anneled to maximum hardness requirements’’ (+A), ’’treated to hardness range’’ (+TH) or ’’treated to ferrite-pearlite structure and hardness range’’ (+FP)

Brinell hardness in the condition
+S max. +A max. +TH +FP
min. max. min. max.
255 241 187 241 166 217

    Non-metallic inclusions Requirements for microscopic degree of purity when tested in accordance with DIN 50 602 (method K) (valid for oxidic non-metallic inclusions)

D (mm) Bars Diameter d (mm) K Total characteristic value K (oxides) for the individual cast
140 < d  200 K 4 ≤ 50
100 < d ≤ 140 K 4 ≤ 45
70 < d ≤ 100 K 4 ≤ 40
35 < d ≤ 70 K 4 ≤ 35
17 < d ≤ 35 K 3 ≤ 40
8 < d ≤ 17 K 3 ≤ 30
 d ≤ 8 K 2≤ 35

    Conditions for heat treating test bars and treatment of the steels

End quenchh test Quenching, 0C Carbunnzing temperature, 0C Core-hardening temperature, 0C Case-hardening temperature, 0C Tempering, 0C
880 880 to 980 840 to 880 780 to 820 150 to 200

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