5CrMnMo Mould Steel Bar
5CrNiMo steel has good toughness, strength and high wear resistance, and is a hot work die steel. Its mechanical properties are almost the same at room temperature and 500~600℃. When heated to 500°C, it can still maintain a hardness of about HB300. Because the steel contains molybdenum, it is not sensitive to temper brittleness. After slowly cooling down from 600°C, the impact toughness decreases only slightly.
5CrNiMo round bars chemical composition
|
Grades |
5CrNiMo |
5CrMnMo |
|
C |
0.50~0.60 |
0.50~0.60 |
|
Si |
≤0.40 |
0.25~0.60 |
|
Mn |
0.50~0.80 |
1.20~1.60 |
|
Cr |
0.50~0.80 |
0.60~0.90 |
|
Ni |
1.40~1.80 |
≤0.25 |
|
Mo |
0.15~0.30 |
0.15~0.30 |
|
Cu |
≤0.25 |
≤0.25 |
5CrNiMo is equivalent materials in different standards
|
Standard |
GB |
AISI |
JIS |
W-Nr |
|
|
Grades |
5CrNiMo |
L6 |
SKT4 |
1.2713 |
1.2714 |
|
C |
0.50 0.60 |
0.65 0.75 |
0.50 0.60 |
0.50 0.60 |
0.50 0.60 |
|
Si |
≤0.40 |
0.10 0.50 |
0.10 0.40 |
0.10 0.40 |
0.10 0.40 |
|
Mn |
0.50 0.80 |
0.25 0.80[TJC STEEL] |
0.60 0.90 |
0.65 0.95 |
0.60 0.90 |
|
P |
≤0.030 |
≤0.030 |
≤0.030 |
≤0.030 |
≤0.030 |
|
S |
≤0.030 |
≤0.030 |
≤0.020 |
≤0.030 |
≤0.030 |
|
Cr |
0.50 0.80 |
0.60 1.20 |
0.80 1.20 |
0.60 0.80 |
0.80 1.20 |
|
Ni |
1.40 1.80 |
1.25 2.00 |
1.50 1.80 |
1.50 1.80 |
1.50 1.80 |
|
Mo |
0.15 0.30 |
≤0.50 |
0.35 0.55 |
0.25 0.35 |
0.35 0.55 |
|
V |
(≤0.20) |
-[TJC STEEL] |
0.05 0.15 |
0.07 0.12 |
0.05 0.15 |
5CrNiMo round steel mechanical property
| Yield Strength Rp0.2(MPa) |
Tensile Strength Rm(MPa) |
Impact Energy AKV(J) |
Elongation at Fracture A(%) |
Reduction in Cross Section on Fracture Z(%) |
Impact toughness value αkv (J/cm2) | Hardness(Brinell) |
|---|---|---|---|---|---|---|
| ≥ 529 | ≥ 899 | ≥ 78 |
≥ 33 |
≥ 55 |
≥ 98 |
≤ 280 |
5CrNiMo steel round bar usage range
Suitable for manufacturing various large and medium-sized hammer forging dies and trimming dies with complex shapes, large impact load, not too high working temperature, and side length >400mm. Used for manufacturing simple shapes. General manufacturing process smelting uses vacuum refining process to ensure the purity of steel; large-scale Professional heat treatment enables the steel to obtain the best pre-hardening effect and evenly distribute the hardness.
5CrNiMo round stock steel product image
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