18crnimo7-6 1.6587 Alloy Forged Steel

18CrNiMo7-6 is a case hardening steel with high toughness. DIN1.6587 / 18CrNiMo7-6 is a low carbon, case hardening (carburizing) steel which contains 1.8% chromium – nickel – molybdenum as strengthening agents as per EN 10084. Characterised by high core strength and toughness in medium to large sections with case hardness up to Rc62 when carburized, hardened and tempered,and it is also used in area of heavy and high strained gear parts with high demands on toughness at core tensile of 1050–1350N/mm2. DIN1.6587 / 18CrNiMo7-6 is same as 17CrNiMo6 steel.

Supply 18CrNiMo7-6 steel 18CrNiMo7-6 Round steel 18CrNiMo7-6 round rod can be zero cut

Steel number: Alloy steel Alloy steel 18CrNiMo7-6 17CrNiMo6
18CrNiMo7.6 17MoNiCr6 18CrNiMo76 17NiMoCr6 GS G-
Standard: DIN W.N.R.1.6587

product-1320-193

Mechanical Property

Size mm	≤ 11	12-30	31-63
R Mpa	1180-1420	1080-1320	980-1270
Rp 0.2 Mpa	≥ 835	≥785	≥ 685
A %	≥ 7	≥ 8	≥ 5
C %	≥ 30	≥ 35	≥ 35
Kv J	≥ 44	≥ 44
Hardness HB	354-406	327-384	295-373

18CrNiMo7-6 STEEL FORGING

Initial Forging Temperature：1150-1200℃

Final Forging Temperature：>850℃

Forging Ratio：above 4:1

Cooling Method After Forged:As a low carbon alloy carburizing steel,18CrNiMo7-6 steel is is highly sensitive to white spots, which means that dehydrogenation heat treatment must be done immediately after forging.Therefore, annealing heat treatment and slow cooling in the furnace are recommended.

18CrNiMo7-6 STEEL Feature

18CrNiMo7-6 is a low-carbon alloy steel containing nickel, chromium, molybdenum and manganese alloying elements. Its main characteristics include high strength and toughness, good heat resistance and corrosion resistance. This steel is mainly used in applications that bear large loads and impact loads, such as bearings, gears and drive shafts. Due to its complex alloy composition, 18CrNiMo7-6 has relatively poor thermal conductivity.

18CrNiMo7-6 Application:
Widely used in transmission gear, with high bending strength, contact fatigue strength, 18CrNiMo7-6 also has high hardness and wear resistance, the heart has high hardness and toughness. High comprehensive mechanical properties.

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