Metallic Plate Properties

Comparison of Metallic Plate Material Properties

*The property values below are standard and not guaranteed values.

Type	Material symbol	Heat treatment (°C)		Representative values of mechanical properties				Representative values of physical properties
				Tensile strength (N/mm^2)	Proof strength (N/mm^2)	Stretch	Hardness	Specific gravity (at 20°C) (g/cm^3)	Conductivity (20°C) IACS	Thermal conductivity (at 20°C) (CGS)	Linear expansion coefficient (20-100°C) (× 10-6/°C)
Structural steel	SS400	−		400～510	215 or more	21% or more	−	7.87	−	−	11.7
Carbon steel	S50C	Normalizing	810-860 air cooling	610 or more	365 or more	18% or more	179～235HB	7.87	−	−	11.7
		Annealing	Approx. 800 furnace cooling	−	−	−	143～187HB
		Hardening	810-860 water cooling	740 or more	540 or more	15% or more	212～277HB
		Tempering	550-650 rapid cooling
	S55CN	Normalizing	(at the time of delivery)	700 or more	370 or more	25% or more	210HB	7.87	−	−	11.7
		Hardening	850 oil cooling	810 or more	540 or more	25% or more	250HB
		Tempering	600 air cooling
Tool steel	SKS93	Hardening	820 oil cooling	−	−	−	63 HRC or more	7.87	−	−	11.7
		Tempering	180 air cooling
	SKS3	Hardening	800-850 oil cooling	−	−	−	58～63HRC	7.85	−	0.083	12.2
		Tempering	150-200 air cooling
	SKD11	Hardening	1,000-1,050 air cooling	−	−	−	58～63HRC	7.80	−	0.070	12.0
		Tempering	150-200 air cooling
	DC53	Hardening	1,020-1,040 air cooling	−	−	−	56～63HRC	7.87	−	0.057	12.2
		Tempering	180-200 air cooling
Stainless steel	SUS303	Solid solution heat treatment	1,010-1,150 rapid cooling	520 or more	205 or more	40% or more	187 HB or less	7.93	−	0.039	17.3
	SUS304	Solid solution heat treatment	1,010-1,150 rapid cooling	520 or more	205 or more	40% or more	187 HB or less	7.93	−	0.039	17.3
	SUS316	Solid solution heat treatment	1,010-1,150 rapid cooling	520 or more	205 or more	40% or more	187 HB or less	7.98	−	0.039	15.9
	SUS430	Annealing	780-850 air cooling	450 or more	205 or more	22% or more	183 HB or more	7.70	−	0.063	10.4
	SUS440C	Hardening	1010–1070 oil cooling	−	−	−	58 HRC or more	7.70	−	0.058	10.2
		Tempering	100-180 air cooling
Pre-hardened steel	G-STAR	−		1060	855	16％	33～37HRC	7.78	−	0.060	10.3
	PX5	−		990	880	20％	30～33HRC	7.85	−	0.101	12.7
	NAK55	−		1255	981	15％	37～43HRC	7.80	−	0.093	12.5
Aluminum alloy	A5052P-H112	−		225	125	18％	65HB	2.68	35％	0.33	23.8
	A5052P-H112 (Precision rolled products)	−		215	120	21％	58HB	2.68	35％	0.33	23.8
	A2017P-T351	−		390	250	13％	105HB	2.79	34％	0.32	23.6
	ANP79	−		560	500	12％	165HB	2.77	32％	0.31	22.1
	A7075P-T651	−		550	490	12％	160HB	2.80	33％	0.31	23.6
Wrought copper and copper alloy	Tough-pitch copper C1100P	−		215～275	49～343	25% or more	87 HB or less	8.89	97% or more	0.93	16.8
	Oxygen-free copper C1020P	−		245～315	49～343	15% or more	112 HB or less	8.89	97% or more	0.93	16.8
	Chrome copper Z3234	−		380 or more	−	15% or more	125HB	8.89	70% or greater	0.8	−
	Brass plate C2801P	−		355～440	−	25% or more	−	8.43	−	−	−

CGS：Cal/℃・cm・sec

Aluminum Plate Comparison

Type	Material symbol	Model	General corrosion resistance	Weldability (argon)	Machinability	Brazing	Anodizing
Al-Mg alloy	A5052P-H112	ALN□ PN□□□	Good	Good	Normal	Normal	Good
	A5052P-H112 (Precision rolled products)	ALA□	Good	Good	Normal	Normal	Good
Al-Cu alloy (duralumin)	A2017P-T351	ALD□ ALJ PD□□□	Poor	Impractical	Good	Poor	Poor
Al-Zn-Mg alloy (super duralumin)	ANP79	P79□□□	Poor	Poor	Very good	Poor	Poor
	A7075P-T651	ALP□ PP□□□	Poor	Impractical	Good	Poor	Poor

The high precision plate, ALA□ / ANP79 Plate P79□□□ eliminates internal stresses during rolling.
The low residual stresses result in less processing distortion than general A5052/A7075 materials.

Annealed SS400 Material

Features

• SS400 is annealed to reduce internal stress.
• It is resistant to processing distortion and is recommended as a countermeasure against warpage during machining.

S55CN

Features

• S55C is normalized to reduce internal stress.
• Adding free-machining ingredients improves machinability.
• Superior mechanical strength compared to S50C.

SUS303, 304 Annealed Materials, SUS430 Materials

Features

• Stress relief heat treatment is applied to SUS303 and 304 to reduce internal stress.
• This stainless steel material is resistant to machining distortion and is recommended as a countermeasure against warping during machining.
• Corrosion resistance is slightly inferior to SUS303 and 304.

SUS430

Features

• It is ferrite-based stainless steel with high corrosion resistance.
• The magnetism allows simultaneous polishing.
• It has no hardening hardenability.

ANP79

Features

• This 7000 series material has the inherent lightness of aluminum.
• It has a hardness exceeding 15C of steel, and its machinability is at least 10 times higher than that of iron.
• Compared to 7075 materials, it is not inferior in strength, has higher uniformity of mechanical properties, and reduces internal stress.

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