Metal ROUNDBAR PIPE
View the MISUMI round bars and pipes material properties and finishing methods.
Metal Round Bar & Pipes Material Description
| Material group | Material name | Material description | Round bar / pipe | |
|---|---|---|---|---|
| Round bar / hexagon bar | Round pipe Square pipe | |||
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| Carbon steel | 1018 (SS400) (general structural steel) | The most versatile material used in the machine industry. It is generally used without heat treatment. | ● | |
| 1045 (S45C) | Compared to 1018 (SS400), it has higher strength and hardness and is stable, but inferior to S50C. | ● | ||
| 1050 Eqivalent (STKM1 7C) | Carbon steel for machine structure. | ● | ||
| 1020 Eqivalent (STKM1 3A) | Carbon steel for machine structure. | ● | ||
| Carbon Steel Tube for General Structure (STK400) | Carbon steel for general structure. | ● | ||
| Carbon Steel Pipe for General Structure (SGP) | Carbon steel for piping. | ● | ||
| Carbon Steel Pipe for Pressure Service (STPG) | Carbon steel for piping. | ● | ||
| Special steel | Die Steel (DC53) | Die steel with excellent machinability and grindability and better toughness than D2 (SKD11). | ● | |
| Tool steel / die steel | Alloy Tool Steel (SKS93) | Carbon steel for oil quenching with excellent toughness and wear resistance. | ● | |
| O1 (SKS3) | A material with better hardenability and less heat treatment distortion than Alloy Tool Steel (SKS93). In addition, it has good machinability due to spheroidizing annealing. | ● | ||
| D2 (SKD11) | Die steel with excellent wear resistance. It has high hardenability and can be air-quenched or vacuum-quenched. | ● | ||
| M2 (SKH51) | High-speed tool steel that has both toughness and wear resistance. | ● | ||
| 4137 (SCM435) | It has relatively high mechanical properties among chromoly steel. | ● | ||
| P/M High-Speed Steel | A steel material with excellent wear resistance, resistance to fatigue, and high toughness. | ● | ||
| Pre-hardened steel | Pre-hardened Mold Steel (NAK55) | Good machinability and gloss can be obtained by processing. In addition, it has excellent grainability and weldability. | ● | |
| Pre-hardened Mold Steel (NAK80) | Compared to Pre-hardened Mold Steel (NAK55), it has excellent electric discharge machining skin and toughness. | ● | ||
| Stainless steel | 303 (SUS303) | It is inferior in corrosion resistance to 304 (SUS304), but has excellent machinability. | ● | |
| 304 (SUS304) | It has excellent corrosion resistance and is widely used as a general-purpose steel grade. | ● | ● | |
| 304 (SUS304) Annealed | Annealing is applied to 304 (SUS304) to reduce internal stress. Please note that the corrosion resistance will be slightly inferior due to the annealing treatment. | ● | ||
| 310S (SUS310S) | It excels in anti-oxidation, and is used as a heat resisting steel. Higher internal stress and used as a heat resistant steel. | ● | ||
| 316 (SUS316) | Stainless steel with molybdenum added to 304 (SUS304). It has better corrosion resistance and acid resistance than 304 (SUS304). | ● | ||
| 316L (SUS316L) | It has excellent corrosion resistance, toughness, ductility, workability, and weldability. | ● | ||
| SUS310S | It has a large amount of Cr and Ni, and has excellent heat resistance and corrosion resistance. | ● | ||
| 403 (SUS403) | Stainless steel with reduced carbon content of SUS420J1 and improved corrosion resistance and toughness after heat treatment. | ● | ||
| 440C (SUS440C) | Stainless steel that can obtain high strength and high hardness by heat treatment. It has high wear resistance and has the highest hardness among stainless steels. It has magnetism. | ● | ||
| 420J2 (SUS420J2) | High strength and high hardness can be obtained by heat treatment (quenching / returning). | ● | ||
| 630 (SUS630) | It has both corrosion resistance and high strength. | ● | ||
| Aluminum alloy | 1070 (A1070) | It has excellent workability, surface treatment, corrosion resistance, weldability, electrical conductivity, and thermal conductivity, and has the best corrosion resistance among aluminum alloys. | ● | ● |
| 2011 (A2011) | It is a material with improved machinability by adding a small amount of Pb and Bi, and has high strength and can be cut at high speed. However, it is inferior in corrosion resistance and alumite resistance. | ● | ||
| 2014 (A2014) | Since it contains a large amount of Cu, its corrosion resistance is inferior, but its strength is high, and it is used as a structural material. | ● | ||
| 2017 (A2017) | A non-heat treated alloy also called duralumin. It is inferior in corrosion resistance and weldability, but has excellent strength and machinability. | ● | ||
| 2024 (A2024) | It is a material with even higher strength than 2017 (A2017) and is ideal for structural materials. | ● | ||
| 5052 (A5052) | It is the most typical non-heat treatment alloy and has good corrosion resistance and weldability. | ● | ● | |
| 5056 (A5056) | The amount of Mg is larger than that of 5052 (A5052) to increase the strength. It has excellent corrosion resistance, surface finish by cutting, and excellent alumite treatment. | ● | ||
| 5083 (A5083) | It has the highest strength among non-heat-treated alloys and has good corrosion resistance and weldability. | ● | ||
| 6061 (A6061) | Of the heat-treated alloys, it has excellent cold workability and corrosion resistance, and high strength can be obtained by heat treatment (quenching / tempering). | ● | ||
| 6063 (A6063) | A material with excellent extrusion processability. A structural material with good corrosion resistance and alumite properties. | ● | ● | |
| 7075 (A7075) | It is a material called extra super duralumin that has the strength and hardness of steel waves. It has excellent machinability, electric discharge machining, and polishing workability. | ● | ||
| Copper / brass / titanium | Oxygen Free Copper C10200 (C1020) | It has excellent electrical and thermal conductivity, and has excellent weldability, corrosion resistance, and weather resistance. | ● | |
| Tough Pitch Copper C11000 (C1100) | It has excellent electrical and thermal conductivity, and has excellent weldability, corrosion resistance, and weather resistance. | ● | ||
| Tellurium copper | It is made by adding tellurium to copper and has excellent machinability. | ● | ||
| Phosphor Bronze (C5191) | It has excellent malleability, fatigue resistance, corrosion resistance, and no magnetism. | ● | ||
| Chrome Copper | It has excellent mechanical strength and wear resistance at high temperatures. | ● | ||
| Beryllium Copper Alloy 25/50 | Beryllium steel 25: Has the highest strength and hardness of all copper alloys. Beryllium steel 50: High hardness, excellent conductivity and heat resistance. | ● | ||
| Aluminum Bronze | It has high strength and excellent wear resistance and corrosion resistance. | ● | ||
| Free-Machining Brass C36000 | It has high strength and excellent malleability. Has excellent machinability. | ● | ||
| Free-Machining Brass C36000 (low cadmium) | It has high strength and excellent malleability. Has excellent machinability. | ● | ||
| Naval Brass Class 2 (C4641) | Has excellent corrosion resistance and seawater resistance. | ● | ||
| Gunmetal (BC6) | Gunmetal has excellent pressure resistance and machinability. | ● | ● | |
| High Strength Brass Class 2 (C6782) | It has better strength than brass. | ● | ||
| Phosphor Bronze Casting | It has high hardness and excellent wear resistance. | ● | ● | |
| Titanium Class 2 TP340H (TB340) | Classified into two types of pure titanium, it has a good balance between workability and strength, and is the most widely used general-purpose titanium material. It is lightweight (specific gravity 4.51) and has excellent corrosion resistance. | ● | ||
Metal Round Bar & Pipes Finishing Methods
The metal plate is provided in the state before heat treatment. (Excluding tempered and Annealeds.)
The following characteristic values are standard values, not guaranteed values.
| Manufacturing / finishing method | Contents |
|---|---|
| peeling | A processing method that cuts the black skin on the surface after hot rolling. High dimensional accuracy and glossy finish. |
| Centerless | Grinding method with less deflection due to grinding resistance. High dimensional accuracy. |
| Cold withdrawal | A processing method in which a material at room temperature is passed between carbide tools. It has high dimensional accuracy and clean skin. |
| Hot extrusion | Plastic working performed above the recrystallization temperature. Dimensional accuracy is low. |
| Cold forging | A processing method in which a material is compressed and deformed to form a predetermined shape. Higher dimensional accuracy than hot forging. |
| Hot forging | A processing method in which a material is compressed and deformed to form a predetermined shape. Residual stress is small and strength is high compared to casting, but dimensional accuracy is low. |
| Continuously cast black leather | A casting method in which a molten metal material is continuously poured into a mold and rapidly cooled in the mold. Dimensional accuracy is low. |
| Electric sewing | A pipe manufactured by rolling a rolled steel sheet with a constant wall thickness into a tubular shape and welding the seams. |
| Polishing | Centerless polishing (round bar / small diameter rod) and buffing (square pipe) finish. |
| Hairline | This is a finishing method that uses # 150 to 240 of the polishing belt to make continuous polishing marks in a certain direction. |






