business
非鉄金属材料販売×スリッター加工
We offer immediate delivery nationwide from our in-house coil center in Higashiosaka.
With four slitting lines and a large inventory, we deliver non-ferrous metals such as copper, brass, phosphor bronze, and aluminum in small lots, with high precision and short lead times.
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We respond with
unmatched speed in every aspect -
Slitting capable of cutting
sheet thicknesses of 4 mm or more -
We take care of all the hassles and inconveniences for you
We take care of
all the hassles and inconveniences
for you
CONSULTING
辰己屋金属には調達担当者様の”安心したい”に
応える仕組みと支えるプロフェッショナルがいます。
At Tatsumiya Metal, we have systems in place and professionals on hand
to meet the needs of procurement managers who want peace of mind.
I want a small quantity right away
But I also want to stock up on larger quantities
as planned
We help procurement managers resolve issues related to delivery schedules and sourcing shortages, such as difficulties in securing coil materials with the required specifications and dimensions for prototyping and new product development.
We also propose optimal procurement solutions to meet the need for long-term, stable material sourcing, as is common in the automotive industry.
order
金属材料販売
With our extensive in-house inventory of coil materials and
high-precision slitting technology,
we can accommodate any material or specification.
With our extensive in-house inventory of coil materials and high-precision slitting technology, we can accommodate any material or specification.
We offer immediate delivery nationwide from our in-house coil center in Higashiosaka.
With four slitting lines and a large inventory, we deliver non-ferrous metals such as copper, brass, phosphor bronze, and aluminum in small lots, with high precision and short lead times.
Overview
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Quantity
Minimum order quantity: 2–4 kg/mm
We can accommodate small-volume orders for prototypes, such as a few meters or a few centimeters. -
Machinable range
Plate thickness
0.1–4.0 mm (up to 5.0 mm for external applications)
Width
5–600 mm (varies by type and equipment)
Tolerance
Width: ±0.1 mm (varies by model)
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Plating available
Nickel Plating, Tin Plating, Reflow Tin Plating, Gold Plating
Various Stripe Plating, Selective Plating, and Others
Compatible Materials
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Hard-pitch copper
C1100
Pure copper offers excellent electrical and thermal conductivity. It is also highly workable and is widely used in electrical and electronic components such as wiring, terminals, and busbars.
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Tough-pitch copper substitute
C1100（PTC)
As a substitute for C1100, it offers excellent value for money and, since it can be produced entirely in-house by the rolling mill, it is also effective for achieving carbon neutrality.
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Copper phosphate
C1220
This is deoxidized copper containing added phosphorus, characterized by its excellent weldability and corrosion resistance. It is used in hot water piping, heat exchangers, and electrical components.
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Oxygen-free copper
C1020
High-purity copper from which oxygen has been removed to the utmost extent. It exhibits extremely high electrical and thermal conductivity and is used in vacuum equipment, high-frequency components, and the semiconductor industry.
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Brass (sheets and strips)
C2600 C2680 C2801
Brass, an alloy of copper and zinc, offers excellent workability and durability. It is suitable for a wide range of applications, including spring materials, decorative parts, and sheet metal fabrication.
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Brass (bars, wire, tubes, and profiles)
Free-cutting brass bars (such as C3604) and lead-free brass (silicon-based, bismuth-based, and low-lead)
Brass bar stock with excellent machinability. It is suitable for threading and turning operations and is used in faucet fittings, valves, pipe fittings, and machine parts.
C2600 C2700
Pipe materials are used for heat exchanger tubes, water supply pipes, and decorative tubing; they offer excellent elasticity and strength, making them suitable for instrument components and fittings. Brass wire has excellent ductility and is used for spring materials, electrical contacts, and precision components.
Copper alloys developed by other manufacturers, and substitute materials for each alloy
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Phosphor bronze
C5191 C5210 など
This copper alloy contains trace amounts of phosphorus added to copper and tin, offering excellent strength and wear resistance. It is ideal for springs, relay contacts, and electronic devices.
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Nickel silver
C7521 C7701 etc.
An alloy of copper, nickel, and zinc, it offers excellent corrosion resistance, workability, and aesthetic appeal. It is widely used in springs, coins, instrument bezels, and decorative applications.
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Beryllium copper
C1720 C1700
A high-grade copper alloy characterized by high strength and high elasticity, making it ideal for precision machining. It is widely used in connectors, switches, and electronic components.
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Standard aluminum
A1050 A1070 A1100
Made of high-purity aluminum, it is lightweight and highly conductive, making it suitable for a wide range of applications, including reflectors, wiring, and signage.
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Aluminum alloy
A2017 A3003 A5052 A6061 etc.
This magnesium-containing aluminum alloy offers a good balance of corrosion resistance and strength, and is used in sheet metal, enclosures, and automotive parts.
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Titanium
TP270 TP340 etc.
A material that is lightweight and high-strength, with excellent corrosion and heat resistance. It is used in medical devices, aircraft components, and offshore structures.
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Stainless steel
SUS304 430 301 304L 316 316L 305 321 410 631 etc.
This alloy, made by adding chromium and nickel to iron, offers excellent corrosion and heat resistance. It is used in a wide range of applications, including cookware, building materials, and machine parts.
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Nickel alloy
alloy201 C-276 C-22 600 601 800 etc.
This special alloy offers high corrosion and heat resistance and is used in harsh environments such as chemical plants, heat exchangers, and power generation facilities.
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Copper-aluminum clad material
CCAC
A composite material made by bonding copper and aluminum. It is lightweight and offers excellent electrical conductivity, making it ideal for bus bars, heat sinks, and automotive electrical components.
strengths
辰己屋金属の強み
90 Years of Trust and
A Track Record of Excellence Recognized by Major Domestic Companies
Tatsumiya Metal’s strength lies not merely in supplying materials, but in our ability to provide solutions that address questions such as “Why this material?”, “How should it be processed?”, and “How can we ensure a stable supply?”
Drawing on our many years of experience and close collaboration with manufacturing sites, we are able to comprehensively optimize precision, speed, and cost.
#01
We have a proven track record of supplying orders ranging from tens of kilograms to tens of tons
#02
Numerous materials manufacturers (Sumitomo Metal Mining Copper, Mitsubishi Materials, Toyoyama, Harada Copper Works, Seihou Metal, San-etsu Metal, Oki Copper Works, etc.)
#03
We have extensive experience in compliance with regulations such as RoHS 2 and the use of environmentally friendly materials, and we can also provide proposals for initiatives aimed at achieving carbon neutrality.
#04
We handle copper busbars, sheets, rods, pipes, wires, and special-shaped profiles in all shapes and materials.
#05
Next-generation copper-aluminum clad material “CCAC”
contact
お問い合わせ
Please feel free to contact us for a consultation.
Whether you have questions like, “Can you accommodate these dimensions?” or “The deadline is approaching—will you be able to meet it?”, please feel free to contact us with any concerns. We will provide the best possible solution tailored to your company’s needs and challenges.
Click here to contact us by phone
06-6789-5831
Headquarters
1-8-20 Nishitsutsumi-Hondori Nishi, Higashiosaka City, Osaka 570-0046
Office Hours: Weekdays 9:00 AM–5:00 PM
FAQ
よくあるご質問
Q01
What is the delivery time?
We ship the same day at the earliest; typically, it takes about 4–5 days.
Q02
Can you handle prototype production?
We can accommodate orders as small as a few meters.
Q03
Can I consult with you about plated materials or specialty materials?
Of course, that’s possible.
Q04
What types of materials are compatible with this product?
We support a wide range of non-ferrous metals, including copper, brass, phosphor bronze, aluminum, titanium, stainless steel, and nickel alloys. For more details, please refer to the list of materials.
Q05
Do you sell just the material, or do you also offer slitting services?
Yes, we also sell materials separately.
Depending on stock availability, we may be able to ship immediately, so please feel free to contact us if you need your order quickly.
