432 TECHNICAL INFORMATION 2Characteristics Comparison of Metal Plate Materials Structural Steel EN 1.0038 Equiv. The most general steel grade. Widely used as it has strength and high machinability and is low price. EN 1.0038 Equiv. Annealed Material SS400 is annealed to relieve its internal stress. It is effective for prevention of warp by machining. Carbon Steel EN 1.1206 Equiv. Carbon steel with adequate level of toughness and durability EN 1.1203 (normalized) Equiv. Normalized S55C, which relieves its internal stress. Added free-cutting elements enhance its machinability. It has higher mechanical strength than S50. Chrome Molybdenum Steel EN 1.7220 Equiv. A chrome steel with a small amount of molybdenum. Increased temper softening resistance and higher toughness. Special Steel JIS-SKS93 Carbon steel for oil hardening which excels in toughness and abrasion resistance. EN 1.2510 Equiv. It has good machinability as spheroidizing annealing is applied. Has higher hardenability and less heat-treating distortion than SKS93. EN 1.2379 Equiv. Can be air or vacuum hardened due to its high hardenability. Very little heat treat distortion and has high abrasion resistance. DC 53 ® (Daido) Tougher than SKD11. Good machinability and grindability. Hardness equal to SKD11 is obtained by low-temperature tempering, and hardness equal to 62HRC is obtained by high-temperature tempering. EN 1.3343 Equiv. Excels in toughness and abrasion resistance. Very little heat-treatment distortion. Stainless Steel Austenite EN 1.4305 Equiv. Has better machinability than SUS304. However, corrosion resistance is somewhat inferior. No magnetic permeability. EN 1.4301 Equiv. The most general stainless steel. Excels in corrosion resistance and is widely used. No magnetic permeability. EN 1.4305 Equiv. Annealed Material SUS303 is treated with stress-relief heat-treatment to relieve internal stress. It is effective for prevention of warp by machining. Has somewhat inferior corrosion resistance compared to SUS303. No magnetic permeability. EN 1.4301 Equiv. Annealed Material SUS304 is treated with stress-relief heat-treatment to relieve internal stress. It is effective for prevention of warp by machining. Has somewhat inferior corrosion resistance compared to SUS304. No magnetic permeability. EN 1.4401 Equiv. SUS304 to which Molybdenum is added. Superior in corrosion resistance and acid resistance to SUS304. No magnetic permeability. EN 1.4404 Equiv. SUS316 ultra-low carbon stainless steel categorized within austenitic stainless steel. Suitable for the operations requiring corrosion resistance or good weldability. Ferrite EN 1.4016 Equiv. A stainless steel with excellent corrosion resistance. It is effective for prevention of warp by machining. Its tempering hardenability is low. Magnetically permeable. Martensite EN 1.4125 Equiv. Has high strength and hardness because of the heat treatment applied. Has high abrasion resistance and is hardest in stainless steel. Magnetically permeable. Pre-Hardened Steel Martensite Free-Cutting Stainless Steel G-Star® (Daido) Has corrosion resistance and excels in machinability. Has high hardness because of the heat treatment applied. (1030°C Hardening Hardness 48HRC) SCM PX5® (Daido) Excels in machinability and has toughness. Good weldability. Precipitation Hardening NAK55® (Daido) Excels extremely in machinability. Smooth machined surfaces facilitate grinding machining afterward. Aluminum Alloy A5000 EN AW-5052 Equiv. The most general aluminum alloy. Excels in corrosion resistance and weldability. A2000 (Duralmin) EN AW-2017 Equiv. Though it inferiors in corrosion resistance and weldability, it has high strength and forging is possible. A6000 EN AW-6061 Equiv. Heat-treatable alloy, excelling in strength and corrosion resistance. A7000 (Ultra super Duralmin) ANP79 (AlZnMgCu-Alloy) Compared with Iron 15C, it is harder and its machinability is at least 10 times higher. Compared with 7075 material, it has about the same hardness, higher uniformity and lower internal stress. EN AW-7075 Equiv. Has the highest strength in aluminum alloy. Extremely strong and be widely used for aircrafts or mechanical parts. Rolled Copper Tough Pitch Copper EN CW004A Equiv. The most widely used copper, and excellent in electrical and thermal conductivity. Oxygen Free Copper EN CW008A Equiv. Highest purity copper commercially available. The oxygen free nature prevents hydrogen embrittlement. Chromium Copper Z3234 Excellent in mechanical strength and abrasion resistance at high temperature. Brass Board EN CW505L Equiv. Excellent in strength and ductile. Pure Titanium Class 2 EN 3.7035 Equiv. Most common titanium material categorized into Pure Titanium Class 2, and well-balanced in machinability and strength. Light weight (Specific gravity 4.51) and excellent corrosion resistance.
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