MIM metals need to be chemically modified to withstand the complex metal injection molding process. Since various materials can be used for metal injection molding, we classify these metal materials into the following categories in our functional area.
Ferrous alloys: steel, stainless steel, tool steel, low alloy steel, iron-nickel alloys, special iron alloys such as Yin steel and Corvair iron-nickel-cobalt alloys.
Tungsten alloys: tungsten heavy alloys and tungsten copper
Hard materials: Cemented carbide (WC-Co) and cermet (Fe-TiC)
Special materials: precious metals, titanium alloys, cobalt-chromium, nickel, nickel-based super alloys, molybdenum, molybdenum-copper and particulate composites
At BRM, we specialize in stainless steels, low-alloy steels, and MIM-specific alloys. In addition, we can provide special or custom materials for any property requirement.
Contact us about your special metal options and we can manufacture your precision MIM parts from many other materials.
The Metal Injection Molding (MIM) process allows for high densities that improve the strength, ductility and corrosion resistance of stainless steels. All of these materials are made from pre-alloyed or elemental blend stainless steels with different grades of austenite, ferrite, martensite and precipitation hardening.
Stainless steel 316L (UNS No. S31603) is widely used because of its high creep resistance, excellent formability, high corrosion resistance and pitting resistance. This metal also has excellent elongation and ductility and is non-magnetic. Parts of this metal are used in the electronics, marine and medical industries. mim stainless steel 316L is safe for food and water storage due to its high strength and corrosion resistance properties. These properties resist potential damage and chronic corrosion when in contact with acids. The low carbon and high alloy consistency ensure that MIM 316L is well suited for food grade applications. BRM is widely used in 316L stainless steel cases, electronic components, straps, etc. to ensure its good surface appearance and corrosion resistance.
Stainless steel 316L | Iron | Nickel | Molybdenum | Silicon | Carbon | Chromium | Phosphorus | Manganese | Nitrogen | Sulfur |
Percent by Weight | BaL. | 10.00-14.00 | 2.00-3.00 | 0.75 | 0.03 | 16.00-18.00 | 0.045 | 2.00 | 0.10 | 0.03 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Impact Strength | Hardness | Elongation(% in 25.4mm) |
Stainless steel 316L | ≥7.85g/cm3 | ≥450 Mpa | ≥140Mpa | 190J | 100-150 HV10 | ≥40% |
304 stainless steel (UNS No. S30400) has similar mechanical properties to 316L, but its corrosion resistance is lower than 316L. in addition, its material price is lower than 316L.
Stainless steel 304 | Iron | Nickel | Silicon | Carbon | Chromium | Phosphorus | Manganese | Nitrogen | Sulfur |
Percent by Weight | BaL. | 8.00-11.00 | 1.00 | 0.08 | 18.00-20.00 | 0.035 | 2.00 | 0.10 | 0.03 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation(% in 25.4mm) |
Stainless steel 304 | ≥7.75g/cm3 | ≥480Mpa | ≥160Mpa | 100-150 HV10 | ≥40% |
Stainless steel 420 (UNS No. S42000) is a combination of high strength, hardness and wear resistance with moderate corrosion resistance. This martensitic grade stainless steel is magnetic and has low deformation after vacuum heat treatment. It is always used in automotive, aerospace, cutlery and tooling applications.
Stainless steel 420 | Iron | Silicon | Carbon | Chromium | Phosphorus | Manganese | Sulfur |
Percent by Weight | BaL. | 1.00 | 0.15 | 12.00-14.00 | 0.040 | 1.00 | 0.030 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation(% in 25.4mm) |
Stainless Steel 420 | ≥7.55g/cm3 | ≥750Mpa | ≥600Mpa | 82J | 30-39HRC | ≥1% |
440C stainless steel (UNS No. S44004) is a martensitic grade, an alloy with excellent strength, hardness and wear resistance. This stainless steel is used for high strength, hardness and wear resistance requirements, such as automotive, hand tools and sports equipment
Stainless steel 440C | Iron | Silicon | Carbon | Chromium | Manganese | Molybdenum |
Percent by Weight | BaL. | 1.00 | 0.95-1.2 | 16.00-18.00 | 1.00 | 0.75 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation(% in 25.4mm) |
Stainless steel 440C | ≥7.50g/cm3 | ≥700Mpa | ≥600Mpa | 115J | 30-39 HRC | ≥1% |
17-4PH stainless steel (UNS No. S17400) is a precipitation hardening grade, and this alloy provides a good balance between corrosion resistance and strength. Its hardness can be varied to different strength levels depending on the heat treatment temperature.
Stainless Steel 17-4 PH | Iron | Nickel | Silicon | Carbon | Chromium | Niobium | Manganese | Copper | Sulfur |
Percent by Weight | BaL. | 3.00-5.00 | 1.00 | 0.07 | 15.50-17.50 | 0.15-0.45 | 1.00 | 3.00-5.00 | 0.03 |
Due to the low carbon content in 17-4PH stainless steel, it has better corrosion resistance than 400 series stainless steel. A wide range of hardness and properties can be obtained by varying the temperature during heat treatment. This encourages its widespread use in the aircraft, dental, medical and surgical industries.
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation(% in 25.4mm) |
Stainless Steel 17-4 PH (Sintered) | ≥7.65g/cm3 | ≥950Mpa | 730Mpa | 140J | 25~30 HRC | ≥3% |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation(% in 25.4mm) |
stainless steel 17-4 PH H900 | 7.7g/cm3 | 1206Mpa | 1089Mpa | 140J | 40HRC | 9% |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation(% in 25.4mm) |
Stainless steel 17-4 PH H1100 | 7.7g/cm3 | 1000Mpa | 910Mpa | 140J | 34HRC | 12% |
P.A.N.A.C.E.A., also known as X15 CrMnMoM17-11-3, is a non-magnetic nickel-free stainless steel that is widely used in the consumer electronics industry.
P.A.N.A.C.E.A. | Iron | Nickel | Molybdenum | Manganese | Carbon | Chromium | Nitrogen | Sulfur | Phosphorus |
Percent by Weight | Bla. | 0.0-0.1 | 3.0-3.5 | 10.0-12.0 | 0.0-0.2 | 16.5-17.5 | 0.75-0.90 | 0.00-0.03 | 0.00-0.045 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness(as sintered) | Hardness(heat treated) | Elongation (% in 25.4mm) |
P.A.N.A.C.E.A. | ≥7.50g/cm3 | ≥1090Mpa | ≥690Mpa | 300HV10 | 270HV10 | ≥35% |
Iron-based alloys, also known as low-alloy steels, are commonly used in structural applications because of their high hardness and performance strength.
With excellent strength and good ductility through the MIM process, MIM 4605 has a wide range of applications in the automotive, consumer goods and hand tool industries.
MIM-4605 | Iron | Silicon | Carbon | Nickel | Molybdenum |
Percent by Weight | BaL. | 1.00 | 0.40-0.60 | 1.50-2.50 | 0.20-0.50 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation (% in 25.4mm) |
MIM-4605 | ≥7.50g/cm3 | ≥600Mpa | ≥400Mpa | 70J | ≥90 HV10 | ≥5% |
The alloy can be hardened and tempered for heat treatment to obtain various strengths and wear resistance. In general, we can produce the following low and high hardness special types.
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation (% in 25.4mm) |
MIM-4605 | ≥7.5g/cm3 | 1151Mpa | 1034Mpa | 38J | 36 HRC | ≥3% |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation (% in 25.4mm) |
MIM-4605 | ≥7.5g/cm3 | 1655Mpa | 1480Mpa | 55J | 48 HRC | ≥2% |
MIM Fe02Ni | Iron | Carbon | Nickel | Sulfur | Phosphorus |
Percent by Weight | BaL. | 0.40-0.60 | 1.50-2.50 | 0.00-0.03 | 0.00-0.035 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
MIM Fe02Ni | ≥7.55g/cm3 | ≥260Mpa | ≥150Mpa | ≥90 HV10 | ≥3% |
Fe04Ni | Iron | Carbon | Nickel | Sulfur | Phosphorus |
Percent by Weight | BaL. | 0.40-0.60 | 3.00-5.00 | 0.00-0.03 | 0.00-0.035 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
Fe04Ni | ≥7.60g/cm3 | ≥630Mpa | ≥380Mpa | ≥90 HV10 | ≥3% |
MIM Fe08Ni | Iron | Carbon | Nickel | Sulfur | Phosphorus |
Percent by Weight | BaL. | 0.40-0.60 | 7.0-9.0 | 0.00-0.03 | 0.00-0.035 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
MIM Fe08Ni | ≥7.65g/cm3 | 630Mpa | ≥400Mpa | ≥90 HV10 | 3% |
MIM Fe03Si has low core loss and high resistance in AC and DC applications such as solenoids, armatures and relays. It is particularly suitable for net forming by the MIM method.
Fe03Si | Iron | Silicon | Carbon | RoHS Compliant |
Percent by Weight | BaL. | 2.5-3.5 | 0.05 | Yes |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
Fe03Si | ≥7.55g/cm3 | 227Mpa | 151Mpa | 100-180HV10 | 24% |
MIM Fe50%Ni has remarkable magnetic properties of high permeability and low coercivity field and is widely used in magnetic shielding applications such as motors, switches and relays.
Fe50Ni | Iron | Nickel | Silicon | Carbon | RoHS Compliant |
Percent by Weight | Bal. | 49.00-51.00 | 1.00 | 0.01 | Yes |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) | Permeability | Magnetization Intensity |
Fe50Ni | ≥7.85g/cm3 | 468Mpa | 165Mpa | 110-160 HV10 | 30% | μmax =28000 | Js(4Ka/m)=1.36T |
MIM Fe50Co has excellent magnetism with high permeability and low coercivity field and is widely used in magnetic shielding applications such as motors, switches and relays.
Fe50Co | Iron | Chromium | Cobalt | Manganese | Silicon | Carbon |
Percent by Weight | Bal. | 0.0-0.2 | 49-51 | 0.0-0.3 | 0.0-0.3 | 0.04 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) | Permeability | Magnetization Intensity |
Fe50Co | ≥7.95g/cm3 | ≥300Mpa | ≥180Mpa | 80HRB | 1% | μmax =5200 | Js(4Ka/m)=2.0T |
These MIM materials are made from alloy powders or mixtures of iron with other elements such as nickel, chromium, cobalt and silicon. These alloys include some soft magnetic materials that are easily magnetized and demagnetized.
Copper alloys are widely used because of their excellent thermal and electrical conductivity. Sintered copper parts can be treated as forged copper parts in machining, plating, brazing, crimping and riveting processes. Copper alloys have a wide range of applications in miniaturization, precision design, thermal and electrical conductivity requirements. Examples include heat sinks, fuel cells, sensors and computer processor chips.
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) | Thermal Conductivity |
Copper alloy | ≥8.5g/cm3 | ≥180Mpa | 60Mpa | 35~45 HRB (Annealing) | 30% | 330W/(m.K) |
Ti-6Al-4V (UNS R56400) is the most widely used titanium in BRM. It has excellent corrosion resistance, high strength-to-weight ratio, and good fatigue resistance. It is commonly used in medical implants and prostheses.
Ti-6Al-4V | Titanium | Aluminum | Vanadium | Iron | Carbon |
Percent by Weight | Balance | 5.5-6.75 | 3.50-4.50 | 0.30 | 0.08 |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
Ti-6Al-4V | 4.5g/cm3 | 950Mpa | 920Mpa | 36 HRC | 18% |
Nickel alloys are widely used in applications where electrical conductivity and corrosion resistance are required.
Material | Density | Marco |
Nickel alloy | 8.6g/cm3 | 53 HRC |
ASTM F15 (UNS 39121337), also known as Kovar, is a controlled expansion alloy for high integrity glass and ceramic-to-metal sealing. It provides hermetic seals for electronic fiber optics and electronic packaging bases such as shunts, dual in-line packages and microelectromechanical systems. kavor is made of nickel, cobalt and iron. This alloy is designed to meet the technical needs of computers, microwaves, semiconductors, and space.
ASTM F15 | Iron | Nickel | Molybdenum | Silicon | Carbon | Chromium | Cobalt | Copper | Niobium | Magnesium | Titanium | Zirconium | Aluminum | RoHS Compliant |
Percent by Weight | BaL. | 29 | 0.20 | 0.20 | 0.04 | 0.20 | 17 | 0.20 | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | Yes |
Material | Density | Tensile Strength | Yield Strength(0.2%) | Hardness | Elongation (% in 25.4mm) |
ASTM F15 | 7.7g/cm3 | 450Mpa | 305Mpa | 65 HRB | 25% |
ASTM F75 (UNS R30075) is a non-magnetic cobalt-chromium alloy. This alloy is widely used in the medical industry because of its excellent biocompatibility, corrosion resistance, high strength, non-magnetism and wear resistance. Cobalt-chromium alloys are widely used in orthopedics, powder manufacturing and dentistry.
ASTM F75 | Iron | Nickel | Molybdenum | Silicon | Carbon | Chromium | Cobalt | RoHS Compliant |
Percent by Weight | 0.75 | 1.0 | 5.00-7.00 | 1.00 | 0.15 | 26-30 | BaL. | Yes |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation (% in 25.4mm) |
ASTM F75 | 8.3g/cm3 | 992Mpa | 551Mpa | 177J | 25 HRC | 30% |
ASTM F1537 (UNS R31537) has a similar composition to ASTM F75, which is also widely used in the medical industry for abrasion resistance, biocompatibility, corrosion resistance and non-magnetic properties.
ASTM F1537 | Iron | Nickel | Molybdenum | Silicon | Carbon | Chromium | Cobalt | Niobium | RoHS Compliant |
Percent by Weight | 0.75 | 0.25 | 5.00-7.00 | 1.00 | 0.10-0.35 | 26-30 | BaL. | 1.00 | Yes |
Material | Density | Tensile Strength | Yield Strength(0.2%) | ImpactStrength | Hardness | Elongation (% in 25.4mm) |
ASTM F1537 | 8.3g/cm3 | 1103Mpa | 85Mpa | 80J | 32 HRC | 27% |
Contact: Cindy Wang
Phone: +86 19916725892
Tel: 0512-55128901
Email: [email protected]
Add: No.6 Huxiang Road, Kunshan development Zone, JiangsuShanghai Branch: No. 398 Guiyang Rd, Yangpu District, Shanghai, China