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Metal Plate

View the MISUMI metal plates and block material properties and finishing methods.

Metal Plate Material Description

Material group Material name Material description Board
Cutting board Finishing plate Flat bar Shape processing
Cutting board Finishing plate Flat bar Shape processing
Carbon steel / structural steel 1018 (SS400) The most versatile material used in the machine industry. It is generally used without heat treatment. 　 ● ● ●
1018 (SS400) Annealed Material obtained by annealing 1018 (SS400) material. The internal stress is reduced by annealing. Recommended as a measure against warpage during processing. 　 ● 　 　
1049 (S50C) Carbon steel with carbon C 0.47 to 0.53%. Compared to 1018 (SS400), it has higher strength and hardness and is more stable. Both raw materials and quenching are common. 　 ● 　 ●
1049 (S50C) Thermal Refined Tempering refers to the "quenching / tempering" process, which provides stable hardness compared to raw materials. Delivered hardness 22-28HRC. 　 ● 　 　
1055 (S55CN) Normalized Carbon steel with carbon C 0.52 to 0.58%. Normal treatment is applied to reduce processing distortion compared to normal S55C material. 　 ● 　 　
Special steel Alloy Tool Steel (SKS93) Carbon steel for oil quenching with excellent toughness and wear resistance. It is a material equivalent to SK3 and is the cheapest material among special steels handled by Misumi. Hardness of 58-63HRC can be obtained by quenching and tempering. 　 ● 　 　
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. Hardness of 58-63HRC can be obtained by quenching and tempering. 　 ● 　 　
D2 (SKD11) Die steel with very little heat treatment strain and excellent wear resistance. It has high hardenability and can be air-quenched or vacuum-quenched. Hardness of 58-63HRC can be obtained by quenching and tempering. 　 ● 　 　
Die Steel (DC53) Die steel with excellent machinability and grindability and better toughness than D2 (SKD11). A high hardness of 62HRC can be obtained by low-temperature tempering, which is equivalent to D2 (SKD11). 　 ● 　 　
M2 (SKH51) High-speed tool steel that has both toughness and wear resistance. Hardness of 58-60HRC can be obtained by quenching and tempering. 　 ● 　 　
4140 (SCM440) A material made by adding a small amount of molybdenum to chrome steel. Increases temper softening resistance and has excellent toughness. It has excellent wear resistance and is used as a part that requires slidability. 　 ● 　 　
Pre-hardened steel Pre-hardened Mold Steel (PX5) Delivered Steel for plastic molds with a hardness of 30 to 33HRC and excellent weldability. Both machinability and mirror finish are the best level among the 30HRC types. In addition, it has excellent grainability and electrical discharge machining. 　 ● 　 　
Pre-hardened Mold Steel (NAK55) Delivered Steel material for plastic molds with a hardness of 37 to 43 HRC. Very good machinability (almost the same as S53C and much better than 4140 (SCM440)), and excellent mirror polish gives gloss. In addition, it has excellent grainability and weldability. 　 ● 　 　
Pre-hardened Stainless Steel (G-STAR) Corrosion-resistant plastic mold steel with a hardness of 33 to 37 HRC (martensitic stainless steel). High hardness 48HRC (1030 ℃ quenching) can be obtained by quenching and tempering. 　 ● 　 　
Toolox44 Product is delivered quenched and tempered. Do not heat above 590 Degrees C. Easy to machine despite hardness of 45 HRc. Unique toughness and fatigue properties. 2 to 3 times tougher than comparable steel grades. Good high temperature properties, low residual stresses. Excellent for etching and polishing. Applications include plastic molds, rubber molds, bending tools, press forming, punching tools, die cast dies, forging dies, machine components, and wear components. Hardness range 41-47 HRc. Registered Trademark of SSAB 　 ● 　 　
Stainless steel 303 (SUS303) It is classified as austenitic and is a general-purpose material. It is inferior in corrosion resistance to 304 (SUS304), but has excellent machinability. ● ● 　 ●
303 (SUS303) Annealed Annealing is applied to 303 (SUS303) to reduce internal stress. Please note that the corrosion resistance will be slightly inferior due to the annealing treatment. 　 ● 　 　
304 (SUS304) It is classified as austenitic and is the most versatile material. 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. 　 ● 　 　
316 (SUS316) Stainless steel with molybdenum added to 304 (SUS304). It has better corrosion resistance and acid resistance than 304 (SUS304). 　 ● ● 　
316L (SUS316L) Classified as austenitic, it is an ultra-low carbon steel of 316 (SUS316). It is used for applications that require corrosion resistance and weldability. 　 ● ● 　
430 (SUS430) Stainless steel with excellent corrosion resistance, heat resistance, and workability. It is not hardenable. It has magnetism. 　 ● 　 　
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. 　 ● 　 　
Aluminum alloy 2017 (A2017P) A non-heat treated alloy also called duralumin. It is inferior in corrosion resistance and weldability, but has excellent strength and machinability. ● ● 　 ●
5052 (A5052P) It is the most typical non-heat treatment alloy and has good corrosion resistance and weldability. ● ● 　 ●
5052 (A5052P) High Precision High precision material is a material that has improved plate thickness accuracy and reduced processing distortion. ● ● 　 　
6061 (A6061P) A heat-treated alloy with excellent strength and corrosion resistance. It is an aluminum alloy that is widely used mainly in the United States. ● ● 　 　
6063 (A6063S) It is the most versatile extruded material among aluminum alloys. Although it is inferior in strength to A6061, it has excellent corrosion resistance and surface treatment. 　 　 ● 　
7075 (A7075P) A heat-treated alloy with the highest level of strength among aluminum alloys. ● ● 　 ●
Aluminum Alloy (ANP79) It has a hardness exceeding that of carbon steel S15C and is more than 10 times better in machinability. Compared to 7075 material, it is not inferior in strength and has excellent uniformity of mechanical properties, and internal stress is reduced. 　 ● 　 　
Copper / brass / titanium Oxygen Free Copper C10200 (C1020) It has the highest purity of any copper on the market. It does not contain oxygen and does not cause the phenomenon of brittleness (hydrogen embrittlement) when heated to high temperatures. It has excellent thermal and electrical conductivity, and has excellent weldability and corrosion resistance. ● ● 　 　
Tough Pitch Copper C11000 (C1100) It is the most widely used copper and has excellent electrical and thermal conductivity (conductivity around 100%). ● ● ● 　
Chrome Copper (Z3234) It has excellent mechanical strength and wear resistance at high temperatures. ● ● 　 　
Brass C28000 Brass - 1/4 (C2801) It has high strength and excellent malleability. ● ● 　 　
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 Plate Properties

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.

Material name Material code Heat treatment (℃) Representative value of mechanical properties Representative value of physical properties
Tensile strength
(N/mm2)		 Yield strength
(N/mm2)		 Growth hardness Specific gravity
(at 20 °C)
(g/cm3)		 Conductivity
(20 °C)
IACS		 Thermal conductivity
(at 20 °C)
(CGS)		 Linear expansion coefficient
(20-100 ℃)
(X10-6 / ℃)
Steel material 1018 (SS400) - 400-510 215 or more 21% or more - 7.87 - - 11.7
1049 (S50C) Normalizing 810-860 air cooling 610 or more 365 or more 18% or more ～ 179 235HB 7.87 - - 11.7
Annealing Approximately 800 furnace cooling - - - 143 ～187HB
Quenching 810-860 water cooling Over 740 Over 540 15% or more ～ 212 277HB
Tempering 550-650 quenching
1055 (S55CN) Normalized Normalizing (At the time of delivery) Over 700 Over 370 25% or more 210HB 7.87 - - 11.7
Quenching 850 oil cooling 810 or more Over 540 25% or more 250HB
Tempering 600 air cooling
4140 (SCM440) Normalizing 850-1050 air cooling Over 980 835 or more 12% or more ～ 285 352HB 7.85 - - -
Annealing 830-880 furnace cooling
Quenching 830-880 oil cooling
Alloy Tool Steel (SKS93) Quenching 820 oil cooling - - - 63HRC or higher 7.87 - - 11.7
Tempering 180 air cooling
O1 (SKS3) Quenching 800-850 oil cooling - - - ～ 58 63HRC 7.85 - 0.083 12.2
Tempering 150-200 air cooling
D2 (SKD11) Quenching 1000-1050 air cooling - - - ～ 58 63HRC 7.8 - 0.07 12
Tempering 150-200 air cooling
Die Steel (DC53) Quenching 1020-1040 Air cooling - - - ～ 56 63HRC 7.87 - 0.057 12.2
Tempering 180-200 air cooling
M2 (SKH51) Annealing 800-880 slow cooling - - - 255 HB or less 8.16 - - 11.9
Quenching 1220-1240 oil (hot bath) 63HRC or higher
Tempering 550-570 air cooling
Stainless steel 304 (SUS304) Solute 1010 to 1150 quenching 520 or more 205 and above 40% or more 187 HB or less 7.93 - 0.039 17.3
Heat treatment
303 (SUS303) Solute 1010 to 1150 quenching 520 or more 205 and above 40% or more 187 HB or less 7.93 - 0.039 17.3
Heat treatment
316 (SUS316) Solute 1010 to 1150 quenching 520 or more 205 and above 40% or more 187 HB or less 7.98 - 0.039 15.9
Heat treatment
316L (SUS316L) Solute 1010 to 1150 quenching 481 and above Over 177 40% or more 187 HB or less 7.98 - 0.039 15.9
Heat treatment
430 (SUS430) Annealing 780-850 air cooling Over 450 205 and above 22% or more 183HB or more 7.7 - 0.063 10.4
440C (SUS440C) Quenching 1010-1070 Oil cooling - - - 58HRC and above 7.7 - 0.058 10.2
Tempering 100-180 air cooling
Aluminum alloy 2017 (A2017P) - 390 250 13% 105HB 2.79 34% 0.32 23.6
5052 (A5052P) - 225 125 18% 65HB 2.68 35% 0.33 23.8
5052 (A5052P) High Precision - 215 120 twenty one% 58HB 2.68 35% 0.33 23.8
6061 (A6061P) - 309 274 12% 95HB 2.7 2.7 43% 0.52 23.6
7075 (A7075P) - 550 490 12% 160HB 2.8 33% 0.31 23.6
Aluminum Alloy (ANP79) - 560 500 12% 165HB 2.77 32% 0.31 22.1

The following characteristic values ​​are standard values, not guaranteed values.

Material name Material code Heat treatment (℃) Representative value of mechanical properties Representative value of physical properties
Tensile strength
(N/mm2)		 Yield strength
(N/mm2)		 Growth hardness Specific gravity
(at 20 °C)
(g/cm3)		 Conductivity
(20 °C)
IACS		 Thermal conductivity
(at 20 °C)
(CGS)		 Linear expansion coefficient
(20-100 ℃)
(X10-6 / ℃)
Copper alloy Oxygen-Free Copper C10200 (C1020) - 245-315 49-343 15% or more 112HB or less 8.89 97% or more 0.93 16.8
Tough Pitch Copper C11000 (C1100) - 215 ~ 275 49-343 25% or more 87HB or less 8.89 97% or more 0.93 16.8
Brass C28000 Brass - 1/4 (C2801) - 355-440 - 25% or more - 8.43 - - -
Chrome Copper (Z3234) - Over 380 - 15% or more 125HB 8.89 70% or more 0.8 18.0
Pre-hardened steel Pre-hardened Mold Steel (PX5) - 990 880 20% 30-33 HRC 7.85 - 0.101 12.7
Pre-hardened Mold Steel (NAK55) - 1255 981 15% 37-43 HRC 7.8 - 0.093 12.5
Pre-hardened Stainless Steel (G-STAR) - 1060 855 16% 33-37HRC 7.78 - 0.06 10.3
Toolox44 - 1450 1300 13% 45HRC 7.9 - - 13.5
Titanium Titanium Class 2 TP340H (TB340) Annealing 340-510 215 or more 23% or more - 4.51 3-4% 0.04 8.4

Metal Plate Finishing Method

Processing classification Finishing symbol Processing content
Disconnect Disconnect Material cut product with band saw. Aluminum is cut with a circular saw.
Precision cutting Material cut product by precision cutting machine. The surface roughness of the cut surface is equivalent to that of a milling cutter.

Milling

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 Upper and lower surface milling cutter (2F side unfinished) Upper and lower surface milling products. The side surface will be the cut surface or the material skin.
Side milling cutter (4F top and bottom unfinished) Side milling finish. The upper and lower surfaces are the material skin.
6F equivalent A finished product in which the upper and lower surfaces and width are milled and the length is precisely cut. Excluding the squareness, the accuracy is equivalent to 6F.
6-sided milling cutter (6F) 6-sided milling finish
Milling surface free choice You can specify a milling surface other than the above milling standard .

Rotary polishing

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 Upper and lower surface rotary polishing (2RG side surface unfinished) Upper and lower surface rotary polished products. The side surface will be the cut surface or the material skin.
Upper and lower surface rotary polishing (4F2RG side milling cutter) The upper and lower surfaces are rotary polished products. The sides will be milled.

Surface polishing

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 Side surface polishing (4G top and bottom unfinished) Side surface polished product. The upper and lower surfaces are the material skin.
Top and bottom surface polishing (4F2G side milling cutter) Upper and lower surface polished products. The sides will be milled.
6-sided surface polishing (6G) 6-sided surface polished product

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