Manufacturer of Finished mandrels & Hollow Mandrels & Forged products
Material: H13 (4Cr5MoSiV1)
Size of mandrel bar: Dia 90mm-500mm, Length<=18.5m
Chemical Composition:
Grade | C | Si | P | S | Mn | Cr | Mo | V |
H13 | 0.3-0.38 | 0.7-1.2 | ≤0.015 | ≤0.005 | ≤0.6 | 4.5-5.5 | 1.0-1.5 | 0.8-1.2 |
Application:
Mandrel Bars are one of the key pieces of tooling required during the production of Seamless Tubes and Pipes. Once the billet has been pierced, the Mandrel Bar supports the tube shell internally during elongation and wall thickness reduction.
Size | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | Reduction of Area (%) | Impact Value (J) | Hardness (HRC) |
---|---|---|---|---|---|---|
<200mm | 1127-1274 | >931 | >8 | >25 | >20 | 60-62 |
>200mm | 1078-1274 | >882 | >8 | >25 | >20 | 60-62 |
Our mandrel bars are manufactured using the following processes: