1.2606 / H12 Hot Work Tool Steel
Type:Round bar
Delivery condition: Annealed black surface/Turned bright surface/Q+T
Products Description
1.2606 hot work tool steel is a general purpose hot work steel with 5% chromium content, which is characterized by excellent impact toughness. It contains less vanadium than the widely used 1.2344/H13 hor working tool steel. Steel is a kind of deep-hardened and air-hardened steel, with the smallest size change during heat treatment. It has good resistance to thermal fatigue cracking (thermal cracking), and excellent resistance to large cracking and thermal shock when water cooling is used.
1.2606 Tool Steel Features
Good heat resistance,Good strength and hardness at high temperature, high wear resistance and toughness, and good thermal fatigue performance. Excellent comprehensive mechanical properties and high tempering stability.
1.2606/H12 Application:
Hot working applications requiring maximum cracking resistance. Such applications include hot punches, die-casting dies, forging dies, hot shear blades, and extrusion tools.
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Products parameters
|
Standards |
DIN |
AISI |
JIS |
ГОСТ |
|
X37CrNiW51 |
1.2606 |
H12 |
SKD62 |
|
H12 Equivalents’ Chemical Composition
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
V |
W |
|
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 |
1.2606/H12 Mechanical properties
|
Steel properties : |
1.2606 hot work tool steel is a 5% chromium, general-purpose hot work steel that is characterized by excellent impact toughness. It contains less vanadium than the widely-used 1.2344 / H13 hor work tool steel. Steel is a deep-hardening, air-hardening steel that exhibits minimal size change during heat treatment. It has good resistance to thermal fatigue cracking (heat cracking) and excellent resistence to gross cracking and thermal shock when water cooled in service. |
|
Applications :
|
Hot tooling applications where maximum resistance to cracking is required. Such applications include hot punches, die casting dies, forging die, hot shear blades, and extrusion tooling. |
|
Size range : |
Diameter (mm) |
Thickness (mm) |
Width (mm) |
|
6 - 500 |
6 - 400 |
Max 810 |
|
Delivery condition : |
Soft annealed to max. 230 HB |
Heat Treatment:
|
Soft annealing |
Temperature(°C) |
Cooling |
Hardness |
|
750 - 790 |
furnace |
max. 230 HB |
|
Forging |
Temperature(°C) |
Cooling |
|
|
900 - 1100 |
furnace |
|
Hardening |
Temperature(°C) |
Cooling |
Tempering |
|
|
1020 - 1050 |
oil or air |
see tempering diagram |
Product Picture
Our factory
Steel Making
Ingot Production
Forged Bars
Machinary
Heat treatment process of H12 die steel:
Forming temperature (C)/900 ℃～ 1100 ℃
Annealing temperature (C)/800 ℃～ 840 ℃;
Stress relief temperature (C)/hardness (HB) after annealing at 600 ℃~650 ℃/250max;
Quenching temperature (C)/1000 ℃～ 1050 ℃ quenching medium/constant temperature bath;
Tempering temperature (C)/500 ℃～ 530 ℃ Hardness after tempering (HRC)/58 ～ 60;
H13 (AISI) hot work die steel: approximate 4Cr5MoV1Si steel) Q; Y/ f2 _' b* O9 z; u, z% b1
Packing & Delivery
Packing & Delivery
-
The inner size of container is below:
-- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
-- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)
Our Service
1. Competitive price and quality from our own factory .
2. Best service with 24 hour`s reply .
3. Flexible payment with T/T,L/C , etc .
4. Smooth production ability(1000tons/month).
5. Quick delivery and standard exporting package.
Relevant Steel Specifications of AISI T4 High Speed Tool Steels
| Country | USA | German | Japan |
| Standard | ASTM A600 | DIN EN ISO 4957 | JIS G4403 |
| Grades | T4/T12004 | S 18-1-2-5/1.3255 | SKH3 |
AISI T4 Tool Steel and Equivalents’ Chemical Composition
| ASTM A600 | C | Mn | P | S | Si | Cr | V | W | Mo | Co | ||||||||
| T4 | 0.70 | 0.80 | 0.10 | 0.40 | 0.03 | 0.03 | 0.20 | 0.40 | 3.75 | 4.50 | 0.80 | 1.20 | 17.50 | 19.00 | 0.40 | 1.00 | 4.25 | 5.75 |
| DIN ISO 4957 | C | Mn | P | S | Si | Cr | V | W | Mo | Co | ||||||||
| S 18-1-2-5/1.3255 | 0.75 | 0.83 | … | 0.40 | 0.03 | 0.03 | … | 0.45 | 3.80 | 4.50 | 0.80 | 1.20 | 17.50 | 18.50 | 0.50 | 0.80 | 4.50 | 5.50 |
| JIS G4403 | C | Mn | P | S | Si | Cr | V | W | Mo | Co | ||||||||
| SKH3 | 0.73 | 0.83 | … | 0.40 | 0.03 | 0.03 | … | 0.45 | 3.80 | 4.50 | 0.80 | 1.20 | 17.00 | 19.00 | … | … | 4.50 | 5.50 |
Mechanical Properties of T-4 Steel
| Properties | Metric | Imperial |
| Modulus of elasticity | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Thermal Properties of T4 Tool Steels
| Properties | Metric | Imperial |
| Thermal expansion co-efficient | 11.9 µm/m°C | 6.6 µin/in°F |
Forging of ASTM T4 Tool Steel Materials
Forging of T4 steel can be carried out from 850 to 1120°C (1775 to 2100°F).
Preheat T4 steel material uniformly and slowly to 860-880°C.
Increase the forging temperature up to 1050-1120°C.
T4 hss tool steel should be cooled very slowly after forging.
AISI/ASTM T4 Tool Steel Heat Treatment and Properties
Hardening:
Harden T4 high speed tool steel from a temperature of 1260-1290oC followed by oil, air quenching or warm bath at 550oC. Hardness after quenching is 63-66 HRC.
Annealing:
T4 steel should be annealed after hot working. Increase the temperature of T4 high speed steel to 860°C(Max220°C per hour). Hold at the temperature and then cool slowly with the furnace. The annealed hardness achieved should be below HB255.
Tempering:
Tempering temperature: 2x 560-580oC. Hardness after tempering is 64-65 HRC.
Popularni tagovi: 1.2606 / h12 hot work tool steel
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