27SiMn Alloy Seamless Steel Yeeb Nkab

27SiMn Alloy Seamless Steel Pipe Featured duab

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27SiMn steel kav yog dav siv nyob rau hauv tsheb, roj av, tshuaj thiab shipping industries.27SiMn steel yeeb nkab yog normalized thiab tempered, thiab coated nrog phosphate sab hauv thiab sab nraud.Cov yeeb nkab steel no tsuas yog siv rau hauv lub xeev quenched thiab tempered los tsim kub stamping qhov chaw (hydraulic qhov chaw) yuav tsum muaj siab toughness thiab hnav tsis kam, thiab kub stamping qhov chaw yuav tsum muaj siab toughness thiab hnav tsis kam.

27SiMn seamless steel yeeb nkab muaj siab hardenability, qhov tseem ceeb hardenability txoj kab uas hla hauv dej yog 8 ~ 22 hli, zoo machinability, nruab nrab txias deformation plasticity thiab weldability;Tsis tas li ntawd, lub toughness ntawm cov yeeb nkab steel tsis txo qis thaum kho cua sov, tab sis nws muaj zog heev thiab hnav tsis kam, tshwj xeeb tshaj yog nyob rau hauv dej quenching.

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Product Detail

Khoom cim npe

Chemical Composition (%)

Cov ntsiab lus	Min.(≥)	Max.(≤)
C	0.24 ib	0.32 ib
Si	1.10	1.4
Mn	1.10	1.4
P		0.035 ib
S		0.035 ib
Cu		0.3
Cr		0.3
Ni		0.3
Mo		0.15

Mechanical Properties

Tensile zog	565 ib～855 ib	σb/MPa
Yield zog	200	σ 0.2 ≥ / MPa
Elongation	14	d5 ≥(%)
ψ	-	ψ≥(%)
Akv	-	Akv≥/J
HBS	051 ua～698 ib	-
HRC	30

Lub cev muaj zog

Thermal expansion	68-30 : kuv	e-6/K
Thermal conductivity	93-72 : kuv	W/mK
Tshwj xeeb kub	450-460 : kuv	J/Kg
Melting kub	2384-8458 Ib	째C
Qhov ntom	2244-1217 Ib	kg/m³
Kev tiv thaiv	0.50-0.60 Nws	Aw.mm²/m