| 15NiCr13 EN 10084-1998, Number: 1.5752 |
Comparison of steel grades |
|
|
JUS |
Č.5426 |
|
|
DIN |
14NiCr14 |
|
|
BS |
(655M13), 655H13 |
|
|
GOST |
G55H13, G55M13 |
|
|
AISI |
E3310, 3415 |
|
|
UNI |
- |
|
|
NF |
12NC15, 14NC12 |
|
15NiCr13 Chemical composition (cast analysis)
| Chemical elements |
C |
Si max |
Mn |
P max. |
S |
Cr |
Ni |
- |
|
%, by mass |
0,14-0,20 |
0,40 |
0,40-0,70 |
0,035 |
≤ 0,035 |
0,60-0,90 |
3,00-3,50 |
|
|
Permissible deviation |
± 0,02 |
+ 0,03 |
± 0,04 |
+ 0,005 |
+ 0,005 |
± 0,05 |
± 0,07 |
- |
| 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. |
48 |
48 |
48 |
47 |
45 |
44 |
42 |
41 |
38 |
35 |
34 |
34 |
33 |
- |
- |
|
min. |
41 |
41 |
41 |
40 |
38 |
36 |
33 |
30 |
24 |
22 |
22 |
21 |
21 |
- |
- |
|
|
+HH |
max. |
48 |
48 |
48 |
47 |
45 |
44 |
42 |
41 |
38 |
35 |
34 |
34 |
33 |
- |
- |
|
min. |
43 |
43 |
43 |
42 |
40 |
39 |
36 |
34 |
29 |
26 |
26 |
25 |
25 |
- |
- |
|
|
+HL |
max. |
46 |
46 |
46 |
45 |
43 |
41 |
38 |
37 |
33 |
31 |
30 |
30 |
29 |
- |
- |
|
min. |
41 |
41 |
41 |
40 |
38 |
36 |
33 |
30 |
24 |
22 |
22 |
21 |
21 |
- |
- |
|
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 |
229 |
179 |
229 |
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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