DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel
DIN 1.2365/ AISI H10 Hot Work Tool Steel

DIN 1.2365/ AISI H10 Hot Work Tool Steel

Model NO.
tool steel 1.2365
Delivery:
FOB
Quantity:

ASTM H10 Tool Steel | 1.2365 | 32CrMoV12-28 | SKD7 | BH10


H10 tool steel is one hot works tool steel in ASTM A681 standard, which is for alloy tool steel. The ASTM/AISI classifies chromium hot work tool steels as group H steels, ranging from H10, H11, H12 to H19. AISI H10 Tool Steel is one of chromium hot-work tool steel that exhibits excellent resistance to softening at elevated temperature.


H10 Tool Steel is capable of being heat treated to higher hardness than the tungsten hot work steels, and in addition offers greater toughness. H10 tool steel has good thermal fatigue characteristics, and unlike the tungsten hot work steels and H10 hot work tool steels may be safely water cooled in service.

Dimensions
Round: dia.10-700 mm
Flat: 6-120 x 40-1200 mm
Block: 80-600 x 100-1600 mm

Delivery Condition
EAF+LF+VD+(ESR), Hot rolled or Forged, Annealed or Quenching+Tempering (360-410HB), Black surface or Machined surface, UT SEP1921 Class3 D/d

Equivalence

AISI / SAE
DIN / W.Nr JISGB
H101.2365SKD7----

Chemical Composition(%)

Steel Grade CSiMnPSCrMoV
1.23650.28-0.350.10-0.400.15-0.45≤ 0.030 ≤ 0.030 2.70-3.202.50-3.000.40-0.70
H100.35-0.450.80-1.200.25-0.70≤ 0.030 ≤ 0.030 3.00-3.752.00-3.000.25-0.75

Applications

1. Highly stressed hot work tools, mainly for the processing of heavy alloys, such as mandrels, dies and containers for metal tube and rod extrusion; hot extrusion tools;
2. Tools for the manufacture of hollows, screws, rivets, nuts and bolts.
3. Die casting tools, forming dies, die inserts, hot shear blades.

Heat Treatment
Annealing
750 to 800°C (1382 to 1472°F)
Slow controlled cooling in furnace at a rate of 10 to 20°C/hr (50 to 68°F/hr) down to approx. 600°C (1112°F), further cooling in air. Hardness after annealing: max. 235 HB.

Stress relieving
600 to 650°C (1112 to 1202°F)
Slow cooling in furnace; intended to relieve stresses set up by extensive machining, or in complex shapes. After through heating, hold in neutral atmosphere for 1 - 2 hours.

Hardening
1010 to 1050°C (1850 to 1922°F)
Oil, salt bath (500 - 550°C / 932-1022°F), air
Holding time after temperature equalization: 15 to 30 minutes.
Obtainable hardness: 52 - 56 HRC

Tempering
Slow heating to tempering temperature immediately after hardening / time in furnace 1 hour for each 20 mm of work piece thickness, but at least 2 hours / cooling in air. It is recommended to temper at least twice. A third tempering cycle for the purpose of stress relieving may be advantageous.
1st tempering approx. 30°C (86°F) above maximum secondary hardness.
2nd tempering to desired working hardness. The tempering chart shows average tempered hardness values.
3rd for stress relieving at a temperature 30 - 50°C (86 to 122°F) be low highest tempering temperature.

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