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Spring Stainless Steel Strip (Coil) 631csp

Spring Stainless Steel Strip (Coil) 631csp

Features

The most representative precipitation hardened steel grade which can be further hardened via heat treatment.
After precipitation hardening treatment, it shows extremely strong magnetism.

Carried thicknesses

3/4H

0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.6
0.7
0.8
1.0
1.2
1.5
2.0

H

0.05
1.8
1.5

* We are able to produce thicknesses other than the above. Feel free to contact us.

Uses

Diaphragms, reed valves, mask frame springs, various other springs, bellows, etc.

Delivery periods

Characteristics

Chemical composition(%)

C	Si	Mn	P	S	Ni	Cr	Mo	Other (Al)
0.09 or less	1.00 or less	1.00 or less	0.04 or less	0.03 or less	6.50~7.75	16.00~18.00	-	0.75~ 1.5

Physical properties

Density Mg/m³	Specific heat J(kg/K)	Thermal expansion coefficient (0~100℃)10^-6/K	Thermal conductivity W/(m/K)	Electrical resistance μΩ/cm	Young's modulus ^%
7.81	420	15.3	16.3	79	2000000

Mechanical characteristics

Notation	Temper rolled material			Precipitation hardened state
Notation	Hardness HV	Tensile strength N/mm²	Elongation %	Heat treatment notation	Proof stress N/mm²	Tensile strength N/mm²
1/2H	350 or more	1080 or more	5 or more	CH	880 or more	1230 or more
3/4H	400 or more	1180 or more	-	CH	1080 or more	1420 or more
H	450 or more	1420 or more	-	CH	1320 or more	1720 or more

Precipitation hardening treatment

Material		Precipitation hardening treatment	CH(900)
613 Temper rolled material Notation "C"	→	H(900) 475±10℃ Air cooling after maintaining for 60 minutes	CH(900)

Thickness tolerance(mm)

0.10~0.15	0.16~0.24	0.25~0.39	0.40~0.59	0.60~0.99
±0.010	±0.012	±0.015	±0.020	±0.025
1.00~1.24	1.5	2
±0.030	+0.025~-0.050	+0.030~-0.070

* We are able to produce thicknesses other than the above. Feel free to contact us.

Source: Japan Industrial Standards Committee "JIS-G4313"

Feel free to contact us with any questions concerning our products or for consultations.

Inquiries via Telephone +81-48-996-1771 Hours: 8:30 a.m. - 6:30 p.m.
(weekdays, JST)
Inquiries via fax +81-48-995-2889(Accepted 24 hours a day)
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Spring Stainless Steel Plate