Metal Stamping

SOMI Capability
SOMI Metal Stamping Capability

Metal Progressive Stamping
First, strip metal is feds through a progressive stamping press. The strip unrolls steadily from a coil and into the die press, where each station in the tool then performs a different cut, punch, or bend. The actions of each successive station add onto the work of the previous stations, resulting in a completed part.

Metal Single-Stage Stamping Process
Single stage tooling (also referred to as manual dies) is a simpler process that relies on one stage, rather than multiple stages, to shape flat sheet metal (in coil form) to its predetermined specifications. During this tooling process, which also employs punching, blanking, embossing, bending, forming, drawing, flanging, coining, and more, a part is either loaded by hand (manual dies) or loaded by machine tending robots (transfer dies) onto a die’s surface.
Metal Stamping
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Metal Stamping
Metal Stamping Materials
SOMI is committed to providing high-quality metal stamping services, supporting the processing of various metal materials to meet the diverse needs of different industries and applications. Below is an introduction to the common materials used in SOMI's metal stamping services and their characteristics:
Metal Stamping Marerials List

- Aluminum
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Brass
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Stainless steel
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Copper
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Mild Steel
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Beryllium bronze
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Alloy steel
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Titanium
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
- Tool steel
Aluminum has a good strength-to-weight ratio, high thermal and electrical conductivity, low density and natural corrosion resistance. It is a highly malleable metal, making it easy to machining, can be anodized.
Type:1050,1060,2011,2024,5052,5051, 6061, 6063, 7075,7050
Metal Stamping
Metal Stamping Surface Finishes
As-machined
The standard finish of our parts, the "machined" finish, has a surface roughness of 3.2 μm (126 μin), which removes sharp edges and cleanly removes burrs from the part.
Machining Texture:There are slight scratches on the visible surface.
Smooth machining
A finishing CNC machining operation can be applied to the part to reduce its surface roughness. The standard smoothing surface roughness is Ra 1.6 μm (64 μin). Light surface scratches are visible.
Machining Texture:Visible, light surface scratches.
Fine machining
Refers to the process of precision treatment of raw materials or semi-finished products. The standard smoothing surface roughness is Ra 0.8 μm (32 μin).
Machining Texture:Slightly visible.
Bead blasting
Bead blasting refers to the use of round spherical media that, when impacted against the surface of a part, will leave a more uniform finish caused by the sphere “dimpling” the surface.
Machining Texture:Frosted grain.
Brushing
Brushing is a surface treatment process that uses abrasive belts to draw traces on the surface of a material, usually for aesthetic purposes.
Polishing
From Ra 0.8 to Ra0.1, the polishing process uses abrasive materials to rub the surface of the part, making the surface of the part more shiny, depending on your requirements.
Machining Texture:Smooth, glossy finish
Anodizing
Aluminum and its alloy in the corresponding electrolyte and specific process conditions, due to the action of external current, the process of forming an oxide film on the aluminum product.
Machining Texture:Smooth, matte finish.
Electroplating
Electroplated coating preserves the surface of parts and resists rusts and other defects from causing decay by applying electric currents to reduce metal cations.
Machining Texture:Smooth, glossy finish.
Electroless nickel plating
Electroless nickel plating is a process that deposits an alloy of nickel-phosphorus onto the surface of a metal. This process is chemical only, so does not involve the use of electricity.
Machining Texture:Reduced but visible.
Black oxide
Black oxide is a conversion coating similar to Alodine that is used for steel and stainless steel. It is used mainly for appearance and for mild corrosion resistance..
Machining Texture:Smooth, matte.
Powder coating
Using corona discharge, we make the powder coating adsorbed to the part, creating a more wear-resistant layer with a typical thickness ranging from 50 μm up to 150 μm.
Machining Texture:Glossy.
Chromate conversion coating
Chromate conversion coating is a type of conversion coating, used on aluminum as a corrosion inhibitor, as a primer for paint due to increased adherence or to preserve electrical conductivity.
Machining Texture:Visible.
Electrophoresis
In the solution under the action of direct current electric field, the charged resin moves to the opposite electrode phenomenon. Strong corrosion resistance, can be on different colors.
Machining Texture:Visible.
As-machined
The standard finish of our parts, the "machined" finish, has a surface roughness of 3.2 μm (126 μin), which removes sharp edges and cleanly removes burrs from the part.
Machining Texture:There are slight scratches on the visible surface.
Smooth machining
A finishing CNC machining operation can be applied to the part to reduce its surface roughness. The standard smoothing surface roughness is Ra 1.6 μm (64 μin). Light surface scratches are visible.
Machining Texture:Visible, light surface scratches.
Fine machining
Refers to the process of precision treatment of raw materials or semi-finished products. The standard smoothing surface roughness is Ra 0.8 μm (32 μin).
Machining Texture:Slightly visible.
Bead blasting
Bead blasting refers to the use of round spherical media that, when impacted against the surface of a part, will leave a more uniform finish caused by the sphere “dimpling” the surface.
Machining Texture:Frosted grain.
Brushing
Brushing is a surface treatment process that uses abrasive belts to draw traces on the surface of a material, usually for aesthetic purposes.
Polishing
From Ra 0.8 to Ra0.1, the polishing process uses abrasive materials to rub the surface of the part, making the surface of the part more shiny, depending on your requirements.
Machining Texture:Smooth, glossy finish
Anodizing
Aluminum and its alloy in the corresponding electrolyte and specific process conditions, due to the action of external current, the process of forming an oxide film on the aluminum product.
Machining Texture:Smooth, matte finish.
Electroplating
Electroplated coating preserves the surface of parts and resists rusts and other defects from causing decay by applying electric currents to reduce metal cations.
Machining Texture:Smooth, glossy finish.
Electroless nickel plating
Electroless nickel plating is a process that deposits an alloy of nickel-phosphorus onto the surface of a metal. This process is chemical only, so does not involve the use of electricity.
Machining Texture:Reduced but visible.
Black oxide
Black oxide is a conversion coating similar to Alodine that is used for steel and stainless steel. It is used mainly for appearance and for mild corrosion resistance..
Machining Texture:Smooth, matte.
Powder coating
Using corona discharge, we make the powder coating adsorbed to the part, creating a more wear-resistant layer with a typical thickness ranging from 50 μm up to 150 μm.
Machining Texture:Glossy.
Chromate conversion coating
Chromate conversion coating is a type of conversion coating, used on aluminum as a corrosion inhibitor, as a primer for paint due to increased adherence or to preserve electrical conductivity.
Machining Texture:Visible.
Electrophoresis
In the solution under the action of direct current electric field, the charged resin moves to the opposite electrode phenomenon. Strong corrosion resistance, can be on different colors.
Machining Texture:Visible.
Industry
Application Areas of Metal Stamping

Consumer Electronics
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Aerospace & Aviation
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Automotive
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Medical
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Robotics & Automation
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Industrial Machinery Parts
Our manufactured electronic components consistently meet the tight tolerances required in this ever-evolving industry.
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Quality Assurance at the Heart of Our Operations

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Contact us Today for Your Metal Stamping Requirements
Ready to elevate your manufacturing with the precision and quality of SOMI's Metal Stamping services? Contact us today to discuss your project and discover how we can help you achieve unparalleled results. With SOMI, you're not just choosing a service provider, you're choosing a partner dedicated to your success.
We hope to discuss potential cooperation opportunities with you and ask you to provide quotation information for your project. Looking forward to your reply and working with you to promote the success of your project!
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FAQ
Frequently Asked Questions
- Q: What is the difference between single die and progressive die?A: A single punching die can only complete one punching process at a time. A progressive die can complete multiple stamping processes at several different stations. A compound die can simultaneously complete more than two processes at the same station.