S136 for mold tooling
What is S136 tool steel?
As a high-performance tool steel S136 for mold tooling is a commonly choice for many applications. It is a type of stainless steel that contains a small amount of carbon and chromium, which provides it with excellent corrosion and wear resistance. S136 is often used in the production of molds that will be used to produce plastic parts. Its high hardness and excellent wear resistance make it an ideal choice for molds that will be used to produce parts with long runs or in abrasive environments.
In addition to its wear resistance, S136 also has good thermal conductivity, which helps to maintain even temperature distribution throughout the mold during the molding process. This can help to reduce the risk of defects and ensure consistent part quality. Moreover, S136 has good machinability, which makes it easier to work with during the fabrication process. This can help to reduce lead times and improve overall efficiency of the tooling process.
s136 mold tooling steel
Chemical composition of S136 tool steel
| Element | Percentage |
| Carbon (C) | 0.38-0.45% |
| Chromium (Cr) | 12.0-13.5% |
| Manganese (Mn) | 0.60-0.80% |
| Molybdenum (Mo) | 0.85-1.15% |
| Silicon (Si) | 0.80-1.20% |
| Phosphorus (P) | ≤ 0.030% |
| Sulfur (S) | ≤ 0.030% |
The standard for S136 tool steel is the Chinese GB/T 1299-2000 standard, which defines the requirements for hot-work die steel, cold-work die steel, plastic mold steel, high-speed tool steel, and other special steels. S136 is classified as a plastic mold steel in this standard.
Mechanical properties of S136 tool steel
| Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) | Standard |
| Annealed | 980-1180 | 785-930 | 12-25 | ≤ 32 | GB/T 1299-2000 |
| Quenched and Tempered (HRC 50-52) | 1750-2050 | 1450-1750 | 4-6 | 50-52 | GB/T 1299-2000 |
| Quenched and Tempered (HRC 54-56) | 1870-2170 | 1600-1900 | 3-5 | 54-56 | GB/T 1299-2000 |
| Quenched and Tempered (HRC 58-60) | 1940-2240 | 1700-2000 | 2-3 | 58-60 | GB/T 1299-2000 |
| Quenched and Tempered (HRC 62-64) | 2010-2310 | 1800-2100 | 1-2 | 62-64 | GB/T 1299-2000 |
| Nitrided | 1200-1400 | 950-1200 | 8-14 | 60-65 | GB/T 1299-2000 |
The mechanical properties of S136 can vary depending on the specific manufacturing process used, and these values are intended as a general guide only. It’s important to note that the mechanical properties of S136 can be improved through proper heat treatment and processing techniques.
Feature of s136 mold tooling steel
S136 mold tooling steel has several features that make it a popular choice for various mold tooling applications. Some of the key features of S136 for mold tooling as below.
- High hardness: S136 mold tooling steel has a high level of hardness, which makes it ideal for molds that will be used to produce parts with long runs or in abrasive environments.
- Excellent wear resistance: S136 mold tooling steel offers excellent wear resistance, which helps to prolong the life of the mold and reduce maintenance costs over time.
- Good corrosion resistance: S136 mold tooling steel is a type of stainless steel that offers good corrosion resistance. This makes it an ideal choice for molds that will be used to produce parts in corrosive environments or with corrosive materials.
- Good thermal conductivity: S136 mold tooling steel has good thermal conductivity, which helps to maintain even temperature distribution throughout the mold during the molding process. This can help to reduce the risk of defects and ensure consistent part quality.
- Good machinability: S136 mold tooling steel has good machinability, which makes it easier to work with during the fabrication process. This can help to reduce lead times and improve overall efficiency of the tooling process.
Application fields of s136 mold steel
S136 mold tooling steel is a versatile material that can be used in a wide range of mold tooling applications where high performance and durability are required. It is commonly used in various mold tooling applications, including:
- Injection molding: S136 is often used in the production of molds that will be used to produce plastic parts through injection molding. The high hardness and excellent wear resistance of S136 make it an ideal choice for plastic mold tooling that will be used to produce parts with long runs or in abrasive environments.
- Blow molding: S136 can also be used in the production of molds for blow molding applications. Blow molding is used to produce hollow plastic parts, and the high hardness and excellent wear resistance of S136 make it an ideal choice for molds that will be used to produce parts with complex shapes or in abrasive environments.
- Thermoforming: S136 is also used in the production of molds for thermoforming applications. Thermoforming is used to produce plastic parts by heating a sheet of plastic and then forming it over a mold. The high hardness and excellent wear resistance of S136 make it an ideal choice for molds that will be used to produce parts with complex shapes or in abrasive environments.
- Die casting: S136 can also be used in the production of molds for die casting applications. Die casting is used to produce metal parts by forcing molten metal into a mold under high pressure. The high hardness and excellent wear resistance of S136 make it an ideal choice for molds that will be used to produce parts with long runs or in abrasive environments.
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