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Name:C100S, 1.1274, AISI 1095 - spring steel
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Brief introduction: C100S, 1.1274, AISI 1095 - spring steel
Steel C100S,Low-alloy carbon steel for thermal improvement by oil hardening available in strips and thin cold-rolled sheets used for springs and leaf springs with small cross-sections。
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sizes Carbon steel spring cutted sheets, belts, and pieces - MORE DETAILS
Thicnkess: 0,005 - 2,00mm
width: standard 300mm (100 - 500mm)
lenght: standard 1000mm (100 - 5000mm)
Rm: 1600-1900 | 1800-2000 | 2000-2000 N/mm2

Standard
Steel Grade
Chemical Composition %
C:
Mn:
Si:
P:
S:
Cr:
Mo:
Ni:
Al:
Cu:
EN/DIN
C100S - 1.1274 - C 100 S - C101E - C 101 E
0.95 - 1.05
0.30 - 0.60
0.15 - 0.35
<0.025
<0.025
<0.40
<0.10
<0.40
-
-
EN
2CS100 - 2 CS 100
0.95 - 1.05
0.45 - 0.60
0.15 - 0.40
<0.035
<0.035
-
-
-
-
-
AFNOR
C100RR - C 100 RR - XC100
0.95 - 1.05
0.30 - 0.60
0.15 - 0.30
<0.025
<0.020
<0.30
<0.10
<0.40
<0.03
-
AFNOR
XC 100 - E100 - E 100
0.95 - 1.05
0.25 - 0.45
0.15 - 0.30
<0.030
<0.025
-
-
-
-
-
DIN / LW
Ck 101 - Ck101
0.95 - 1.05
0.40 - 0.60
0.15 - 0.35
<0.035
<0.035
-
-
-
-
-
BS
CS95 - CS 95 - HS95 - HS 95
0.90 - 1.00
0.30 - 0.60
0.05 - 0.35
<0.04
<0.04
-
-
-
-
-
IS
98C6 Grade 8
0.90 - 1.05
0.50 - 0.80
0.10 - 0.35
<0.05
<0.05
-
-
-
-
-
ISO
CS95
0.90 - 1.04
0.30 - 0.60
0.10 - 0.35
<0.035
<0.030
-
-
-
-
-
UNI
C100 - C 100 - E4 - E 4
0.95 - 1.05
0.40 - 0.60
0.15 - 0.40
<0.035
<0.035
-
-
-
-
-
JIS
SK95-CSP - SK4-CSP
0.90 - 1.10
<0.50
<0.35
<0.030
<0.030
<0.30
-
-
-
<0.25
UNE
C 102 - C102 - A-5117 - F-5117
0.95 - 1.09
<0.35
<0.35
<0.030
<0.030
-
-
-
-
-
STAS
OSC 10 - OSC10
0.95 - 1.04
0.10 - 0.35
0.15 - 0.35
<0.030
<0.025
<0.20
-
<0.25
-
<0.25
AISI
AISI 1095
0.90 - 1.03
0.30 - 0.50
-
<0.040
<0.050
-
-
-
-
-



Steel C100S (1.1274) - specification and application

Low-alloy carbon steel for thermal improvement by oil hardening available in strips and thin cold-rolled sheets used for springs and leaf springs with small cross-sections. It is characterized by low hardenability, abrasion resistance and decarburization and oxidation tendency during heat treatment.

C100S steel products and its equivalents do not show resistance to atmospheric corrosion, and after heat treatment get tempered martensite structure. Carbon spring steels are delivered in various hardening and soft condition variants.

Steel used for spring washers, spring elements, feeler gauges, and other loaded parts requiring high elasticity and tensile strength.

Mechanical properties of C100S (1.1274) steel


Mechanical properties
The softened condition after smoothing rolling C100S + +A+LC
Tensile strength Rm < 690 MPa
The yield point Re < 550 MPa
Elongation A > 13%
Hardness HV HRB < 220 HV < 95 HRB
Cold-rolled condition C100S +CR
Tensile strength Rm < 1200 MPa
Hardness HV < 325 HV
Heat-treated condition +QT
Tensile strength Rm 1200 - 2100 MPa
Hardness HV HRC 370 - 630 HV 38.5 - 57.0 HRC




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