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
Round bar / hexagon bar Round pipe / square pipe
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.