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1) Hot work tool steel DIN1.2344 acc.to DIN 17350 / ISO 4957
2) Hot rolled for dia.12-130mm
Forged for dia.60-800mm
3) EAF/ESR, soft annealed /spheroidizing annealed, black/peeled/machined, UT tested
4) Chemical composition
Standard Number Steel Grade C
| Standard Number | Steel Grade | C | Si | Mn | Cr | Mo | V | P | S | Ni | Cu | Others |
≤ | ||||||||||||
GB/T 1299 | 4Cr5MoSiV1 | 0.32-0.42 | 0.80-1.20 | 0.20-0.50 | 4.75- 5.50 | 1.10-1.75 | 0.80-1.20 | 0.030 | 0.030 | 0.25 | 0.30 | -- |
CNS 2964 | SKD61 | 0.32-0.42 | 0.80-1.20 | ≤0.50 | 4.50- 5.50 | 1.00-1.50 | 0.80-1.20 |
0.030 |
0.030 | 0.25 | 0.25 | -- |
ISO 4957 | X40CrMoV5-1 | 0.35-0.42 | 0.80-1.20 | 0.25-0.50 | 4.80- 5.50 | 1.20-1.55 | 0.80-1.15 |
0.030 |
0.020 |
0.25 |
0.25 | -- |
ΓOCT 5950 | 4X5ΜΦ1C
| 0.37-0.44 | 0.90-1.20 | 0.20-0.50 | 4.50- 5.50 | 1.20-1.50 | 0.80-1.10 |
0.030 |
0.030 | 0.35 | 0.30 | Ti 0.03 W 0.20 |
JIS G4404 | SKD61 | 0.35-0.42 | 0.80-120 | 0.25-0.50 | 4.80- 5.50 | 1.00-1.50 | 0.80-1.15 |
0.030 |
0.020 | 0.25 | 0.25 | -- |
KS D3753 | STD61 | 0.32-0.42 | 0.80-1.20 | ≤0.50 | 4.50- 5.50 | 1.00-1.50 | 0.80-1.20 |
0.030 |
0.030 | 0.25 | 0.25 | -- |
DIN ---17350 W-Nr |
1.2344 | 0.37-0.42 | 0.90-1.20 | 0.30-0.50 | 4.80- 5.50 | 1.20-1.50 | 0.90-1.10 |
0.030 |
0.030 | -- | -- | -- |
ASTM/A681UNS | H13
| 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | 4.75- 5.50 | 1.10-1.75 | 0.80-1.20 |
0.030 |
0.030 |
0.75 | ||
Tool steel DIN 1.2344 round bars