A8 is Alloy forging die steel, its characteristic is:1. High hardenability, the high degree of dimensional stability in heat treatment;2.Good wear resistance, fatigue life;3.Toughness, and deep hardening qualities.
| Execution standard | ZEICIN Grade | GB | AISI | DIN | ASSAB | JIS/ DAIDO |
| GB/T 119.2-2000 | A8 | 5Cr5WMoVSi | A8 | – | – | – |
| C | Cr | Mn | Si | Mo | V |
| 0.50-0.60 | 4.75-5.50 | 0.20-0.50 | 0.75-1.10 | 1.15-1.65 | – |
| Co | S | P | Ni | Nb | W |
| – | ≤0.030 | ≤0.030 | – | – | 1.10-1.50 |
| Round Bar | Diameter(mm) | Hot Forged: φ50-500 | Length(mm):2000-5800 |
| Hot Rolled:≤50 | Length(mm):2000-5800 | ||
| Steel Plate | Thickness(mm) | Hot Forged:≥20 | Width(mm):200-810 |
| – | ≤0.030 | Hot Rolled:≤20 | Width(mm):200-810 |
| # | Name | Specification |
|---|---|---|
| 1 | Steel grade | A8/5Cr5WMoVSi |
| 2 | Tolerance | according to order |
| 3 | Technique | Electric furnace melted, forged and annealed, round bar turned, flat bar machined. |
| 4 | Surface | Black/Grinded/Machined/Turned |
| 5 | Application | Precision stamping mold; Plastic deformation tools of difficult-to-machine materials; High-speed punching punch, stainless steel punch. Cold forming, blanking and bending dies, forming rolls, drill bushings, knurling tools, master dies and gages. |
download the specification for 1.4117 Stainless Steel of ZEICIN
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