Materiales de ocasión
Cold Forging
|
Advantages |
Difficulties |
Near-net-shape forming |
Extensive treatment of the work piece |
Superior dimensional accuracy when compared to forged parts |
Forming degree is lower than with hot forming. |
Material utilization is extremely high |
Complex forms difficult to realize |
No scaling |
Higher tool expenditure |
High surface quality |
|
Work piece strength is increased through strain hardening. |
|
Expedient grain flow as with hot forming |
|
No heating necessary |
|
Characteristics of Types of Cold Forging Materials 1
Sr. |
Grade |
C % |
Si % |
Mn % |
S % Max |
P % Max |
Cr % |
B 7% |
Mo % |
Pb % |
Ni % |
Other |
1.1 |
AISI 1006 |
0.06 Max |
0.10 Max |
0.25-0.40 |
0.05 |
0.04 |
|
|
|
|
|
|
1.2 |
AISI 1008 |
0.10 Max |
0.10 Max |
0.30-0.50 |
0.05 |
0.04 |
|
|
|
|
|
|
1.3 |
AISI 1010 |
0.08-0.13 |
0.10 Max |
0.30-0.60 |
0.05 |
0.04 |
|
|
|
|
|
|
1.4 |
AISI 1015 |
0.13-0.18 |
0.15 Max |
0.30-0.60 |
0.05 |
0.04 |
|
|
|
|
|
|
1.5 |
AISI 1018 |
0.15-0.20 |
0.05-0.10 |
0.60-0.90 |
0.05 |
0.04 |
|
|
|
|
|
|
1.6 |
EN 1AL |
0.08-0.15 |
0.10 Max |
0.85-1.15 |
0.26-0.35 |
0.04-0.09 |
|
|
|
0.25-0.35 |
|
|
1.7 |
EN 1A |
0.07-0.15 |
0.10 Max |
0.80-1.20 |
0.20-0.30 |
0.060 Max |
|
|
|
|
|
|
Characteristics of Types of Cold Forging Materials 2
Sr. |
Grade |
C % |
Si % |
Mn % |
S % Max |
P % Max |
Cr % |
B 7% |
Mo % |
Pb % |
Ni % |
Other |
3.1 |
SCM 415H |
0.12-0.18 |
0.15 -0.35 |
0.55 -0.90 |
0.03 |
0.03 |
0.85-1.25 |
|
0.15 -0.35 |
|
0.25 Max |
|
3.2 |
SCM 435 |
0.32-0.39 |
0.15 -0.30 |
0.55 -0.90 |
0.03 |
0.03 |
0.80-1.25 |
|
0.15 -0.35 |
|
1.30-1.80 |
|
3.3 |
AISI 4135 |
0.33-0.38 |
0.15 -0.30 |
0.70 -0.90 |
0.04 |
0.035 |
0.80-1.10 |
|
0.15 -0.35 |
|
0.25 Max |
|
3.4 |
EN 24 |
0.35-0.45 |
0.10 -0.35 |
0.45 -0.70 |
0.04 |
0.035 |
0.90-1.40 |
|
0.15 -0.35 |
|
1.30-1.80 |
|
3.5 |
AISI 4140 |
0.38-0.43 |
0.15 -0.30 |
0.75 -1.00 |
0.04 |
0.035 |
0.80-1.10 |
|
0.15 -0.25 |
|
|
|
3.6 |
AISI 4140M |
0.38-0.43 |
0.15 -0.30 |
0.75 -0.90 |
0.005 |
0.015 |
0.80-1.10 |
|
0.15 -0.25 |
|
|
|
3.7 |
AISI 5140 |
0.38-0.43 |
0.15 -0.30 |
0.70 -0.90 |
0.04 |
0.035 |
0.70 -0.90 |
|
|
|
|
|
3.8 |
AISI 1541 |
0.36-0.44 |
0.15 -0.30 |
1.35-1.65 |
0.05 |
0.04 |
|
|
|
|
|
|
Characteristics of Types of Cold Forging Materials 3
Sr. |
Grade |
C % |
Si % |
Mn % |
S % Max |
P % Max |
Cr % |
B % |
Mo % |
Pb % |
Ni % |
Other |
2.1 |
AISI 10821 M |
0.18-0.23 |
0.30 Max |
0.80-1.10 |
0.03 |
0.03 |
0.10-0.20 |
0.0005-0.003 |
|
|
|
|
2.2 |
AISI 15B25 |
0.23-0.28 |
0.30 Max |
0.90-1.30 |
0.03 |
0.03 |
0.10-0.20 |
0.0005-0.003 |
|
|
|
|
2.3 |
DIN 19MnB4M |
0.20-0.25 |
0.15 -0.30 |
0.80-1.10 |
0.03 |
0.03 |
0.30-0.40 |
0.0006-0.003 |
|
|
|
|
2.4 |
AISI 15B41 |
0.38-0.44 |
0.15 -0.30 |
1.35-1.65 |
0.03 |
0.03 |
0.10-0.20 |
0.0006-0.003 |
|
|
|
|
2.5 |
AISII 10936M |
0.34-0.39 |
0.15 -0.30 |
0.80-1.10 |
0.03 |
0.03 |
0.20-0.40 |
0.0006-0.003 |
|
|
|
|
2.6 |
DIN 36CrB4 |
0.34-0.38 |
0.10 Max |
0.60-0.90 |
0.015 |
0.015 |
0.90-1.20 |
0.0015-0.005 |
|
|
|
|
2.7 |
AISI 51B35M |
0.34-0.40 |
0.15 -0.30 |
0.35-0.50 |
0.025 |
0.025 |
0.80-1.15 |
0.0006-0.003 |
0.10 Max |
|
0.15 Max |
|
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