Technical data for C35EC cold-drawn steel wire, compliant with EN 10263-4. View the chemical composition, mechanical properties, and related technical requirements for this grade.
Only data directly related to this material is shown here. Inspection, equipment, process and packaging information is linked separately.
1. Combinations of delivery conditions
Table 1 Combinations of delivery conditions, product shapes, and conformity requirements
Table 2 Surface quality in delivery condition
Oberflächenbeschaffenheit im Lieferzustand
Symbol
Bar
Rolled wire
Wire
Falls nicht anders vereinbart
hot-rolled
none or +AR
X
X
-
Besonderer Oberflachenzustand,der nach Vereinbarung geliefert wird
cold-drawn
+C
-
-
X
after-drawn
+LC
X
-
X
rolled peeled
+PE
X
X
X
2. Chemical composition
Table 3 Chemical composition of non-boron steel grades, cast analysis, mass fraction (%)
Steel grade
C b
Si max.a
Mn
P max
S
Cr
Mo
CNi max.
Cu Max.
Abbreviated name
Material number
C35EC C35RC C45EC C45RC
1.1172 1.1060 1.1192 1.1061
0.32 to 0.39, 0.32 to 0.39, 0.42 to 0.50, 0.42 to 0.50
0,30 0,30 0,30 0,30
0.50 to 0.80, 0.50 to 0.80, 0.50 to 0.80, 0.50 to 0.80
0,025 0,025 0,025 0,025
0.025 max, 0.020 to 0.035, 0.025 max, 0.020 to 0.035
0,25 0,25 0,25 0,25
0.25 0,25 0,25 0,25 0,25
NOTE 1 Elements not listed in this table should not be intentionally added to the steel, except for final refining of the melt, without the purchaser’s approval. All precautions must be taken to prevent the introduction of such elements from scrap and other materials used in production that could impair hardenability, mechanical properties, and serviceability. NOTE 2 For steels with hardenability requirements [see Tables 9 to 11], smaller deviations from the specified limits are permissible (with the exception of sulfur and phosphorus), provided that, for carbon, they do not exceed 01 %, and for the other elements, they do not surpass the values given in Table 5. NOTE 3 To enhance the efficiency of cold heading, it is possible to add 0.020 % up to 0.050 % of aluminum.
Table 4 Chemical composition of boron-alloyed steels. Cast analysis, mass fraction %
Table 5 Permissible deviations between product analysis and the cast analysis limits specified in Tables 3 and 4
3. Mechanical properties
Table 6 - Mechanical properties of non-alloy steels without boron
Steel grade
Diameter
Delivery condition
+ACoder +AC+PE
+U+C+AC
+U+C+AC+LC
+AC+C
Abbreviated name
Material number
over
to
Rm max
Z min
Rm max
Z min
Rm max
Z min
Rm max
Z mi n
mm
mm
MPa
%
MPa
%
MPa
%
MPa
%
C35EC C35RC
1.1172 1.1060
2
5
550
62
590
60
5
10
560
60
540
62
580
60
670
10
40
560
60
540
62
580
60
660
4. Hardenability requirements
Table 9 - Hardness limits for boron-free steel grades with (normal) hardenability requirements (H grade; see 6.4.1)
Steel short name
rte Material number
symbol
Austenitizing temperature C+5°℃
Range limit
Hardness in HRC Distance from the quenched end face in mm
1
2
3
4
5
6
7
8
9
10
11
13
15
20
25
30
C35EC
1.1172
+H
870
max.
58
57
55
53
49
41
34
31
28
27
26
25
24
23
20
min.
54
54
54
54
54
54
54
54
53
52
52
50
TECHNICAL NOTE
Application and ordering note
Chemical composition, mechanical properties, tolerances and delivery condition must be confirmed against the applicable standard edition, customer drawing and order specification.
