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JIS G4051 S55C fine grain carbon steel
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JIS G4051 S55C fine grain carbon steel

JIS G4051 S55C steel

JIS G4051 S55C steel carbon content (mass fraction, %) is not less than 0.4 and S55C has good wear resistance, but not good ductility, quenching distortion and cracking easily, so the quenching for S55C steel is extremely important. S55C steel must be rapid cooling after tempering to avoid the temper brittleness. JIS G4051 S55C cutting is difficult and should be spheroidized to improve cutting performance, tempering to 19 ~ 22 HRC hardness in principle, for the mechanical processing. Delivery status and hardness 149 ~ 192 HBS, HBS 183 ~ 255, 229 ~ 285 HBS.

Fine grain carbon steel
JIS G4051 S55C equivalent material:

JIS G4051 S55C equivalent material
AISI 1055
DIN 1.1730
GB 55#

JIS G4051 S55C steel application:

1, S55C steel can be used for all kinds of cold work mould plate.

2, S55C steel is used for jig fixed plate.

3, S55C steel is also used for the standard template materials.

S55C steel Chemical composition %:

Grade Chemical composition %:
C Si Mn S P Cr Ni Cu
S55C 0.52-0.58 0.15-0.35 0.60-0.90 ≤0.035 ≤0.030 ≤0.20 ≤0.20 ≤0.30

S55C Steel mechanical properties:

Grade

Mechanical properties:

Tensile strength σb
(Mpa)
Yield strength σ0.2
(Mpa)
 Elongation δ5/(%) Percentage reduction of areaψ (%) Notched bar impact strength compressive strength
(MPa)
min min min min min min
S55C 735 372 22 38 35J/cm2 350

Our company, Katalor Enterprises can produce all sizes of S55C forged steel round bar, S55C forged square bar, S55C steel plate and S55C steel sheet with the best price.

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