C15E EN 10084-1998, Number: 1.1141 |
Comparison of steel grades |
|
|
JUS |
Č.1221 |
|
|
DIN 17210 |
Ck15 |
|
|
BS |
(080M15), EN 32 |
|
|
GOST |
15 |
|
|
AISI SAE |
1015 |
|
|
UNI 7846 |
C15 |
|
|
NF |
XC12, XC15, XC18 |
|
C15E Chemical composition (cast analysis)
Chemical elements |
C |
Si |
Mn |
P |
S |
|
%, by mass |
0,12-0,18 |
0,40 |
0,30-0,60 |
0,035 |
≤ 0,035 |
|
Permissible deviation |
± 0,02 |
+ 0,03 |
± 0,04 |
+ 0,005 |
+ 0,005 |
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. |
||
|
- |
143 |
- |
- |
- |
- |
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 |
|
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 |
C15E Conditions for heat treating test bars and treatment
End quenchh test Quenching, 0C |
Carbunnzing temperature, 0C |
Core-hardening temperature, 0C |
Case-hardening temperature, 0C |
Tempering, 0C |
|
- |
880 to 980 |
880 to 920 |
780 to 820 |
150 to 200 |
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