CHEMICAL COMPOSITION

EST DIN ASTM CHEMICAL COMPOSITION PROPERTY APPLICATION
C Si Mn P≤ S≤ Cr Mo V W
YTR5 1.2344 H13 0.35-0.42 0.80-1.20 0.25-0.50 0.030 0.030 4.80-5.50 1.20-1.50 0.85-1.15 - High hardenability, excellent wear resistance and hot toughness. has good thermal shock resistance, (ESR) H13 has greater homogeneity and an exceptionally fine structure, resulting in improved machinability, polishability and high temperature tensile strength. Pressure die casting tools, extrusion die, forging dies, hot shear blades, stamping dies, plastic molds, Hot work mandrels, ESR H13 is great for aluminium die-casting tools and plastic mold tools requiring a very high polish.
YTH12 1.2606 H12 0.32-0.40 0.90-1.20 0.30-0.60 0.030 0.030 5.00-5.60 1.30-1.60 0.15-0.40 1.20-1.40 Excellent impact toughness. The tungsten content provides better temper resistance, deep-hardening, air-hardening steel that exhibits minimal size change during heat treatment. Good resistance to thermal fatigue cracking hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, and extrusion dies.
YTR50 1.2343 H11 0.33-0.41 0.80-1.20 0.25-0.50 0.030 0.030 4.80-5.50 1.10-1.50 0.30-0.50 - High hardenability, excellent toughness, good resistance to thermal shock when water cooled in service, minimal size change during heat treatment. Recommended for hot tooling applications where maximum resistance to cracking is required. Hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, extrusion dies.
YTR65 1.2365 H10 0.28-0.35 0.10-0.40 0.15-0.45 0.030 0.030 2.70-3.20 2.50-3.00 0.40-70 - Excellent resistance to softening at elevated temperature. very resistant to thermal fatigue cracking, and can be water cooled in service Heavy metal Die-casting tools, Piercing Mandrels, Hot punches, forging dies, hot shear blades
YTR2 1.2581 H21 0.25-0.35 0.10-0.40 0.15-0.45 0.030 0.030 2.50-3.20 - 0.30-0.50 8.50-9.50 Exhibits excellent resistance to softening at elevated temperature. Should not be water cooled in service unless the tool includes a continuous flow of internal water cooling. Thermal shock should be avoided Recommended for difficult hot work tooling applications such as brass extrusion, brass die casting dies, hot punches, forging die inserts.
YTR6A 1.2714 L6 0.50-0.60 0.10-0.40 0.60-0.90 0.030 0.030 0.80-1.20 0.35-0.55 0.05-0.15 Ni 1.50-1.80 High impact toughness and good resistance to softening at elevated temperature. good resistance to thermal shock and thermal fatigue cracking, small dimensional changes during hardening. Die forging, die casting, extrusion, glass processing,. Mandrels, Die holders

HEAT TREATMENT

EST DIN ASTM Density (g/cm3) HEAT TREATMENT
Soft Annealing °C Annealed
Hardness HB
Hardening
From °C
Quenching In Hardness
After Quenching
HRC
Tempering °C
100°C 200°C 300°C 400°C 500°C 550°C 600°C
HRC HRC HRC HRC HRC HRC HRC
YTR5 1.2344 H13 7.80 760-800 Max. 235 1010-1040 OIL / AIR 56 54 52 51.5 54 56 52.5 48
YTH12 1.2606 H12 7.80 750-790 Max. 235 1020-1050 OIL / AIR 52-56 53 52 53 55 56 52 47
YTR50 1.2343 H11 7.80 760-790 Max. 235 1010-1040 OIL / AIR 52-56 53 52 52.5 54.5 56 52 46
YTR65 1.2365 H10 7.90 760-790 Max. 235 1030-1050 OIL / AIR 52 52 50.5 51 51.5 50 49 46
YTR2 1.2581 H21 8.20 790-830 Max. 240 1110-1150 OIL 52 52 51 49.5 49.5 51 52 51
YTR6A 1.2714 L6 7.85 650-700 Max. 250 OIL 830-870 AIR / OIL 58 57 54 52 49 45 43 39
AIR 860-900 56 55 52 50 47 43 40 36