46S20 Description

Grade : 46S20
Number: 1.0727
Classification: Non-alloy quality direct-hardening steel
Standard:
EN 10277-3: 2008 Bright steel products. Technical delivery conditions. Free-cutting steels
EN 10087: 1999 Free cutting steels. Technical delivery conditions for semi-finished products, hot rolled bars and rods

46S20 is the British standard free cutting steel grades, corresponding to the Chinese standard Y45 or Y45Mn, 46S20 not only good cutting performance, and heat treatment after a good mechanical property, adapted to create more important machine structural parts, such as machine gear shaft, spline shaft, Tractor drive shaft and so on.

46S20 is the British standard free cutting steel grades, corresponding to the Chinese standard Y45 or Y45Mn, 46S20 not only good cutting performance, and heat treatment after a good mechanical property, adapted to create more important machine structural parts, such as machine gear shaft, spline shaft, Tractor drive shaft and so on.

Komposisi kimia:

C(%)Si(%)Mn(%)P(%)S(%)
0.42-0.500.400.70-1.100.060.15-0- 25

MECHANICAL PROPERTIES:

Proof strength
Rp0.2(MPa)
Daya tarik
RM(MPa)
Impact energy
KV(J)
Elongation at fracture
A(%)
Reduction in cross section on fracture
Z(%)
As-Heat-Treated ConditionBrinell hardness(HBW)
437(≥)584(≥)421231Solution and Aging,Annealing,Ausaging,Q+T,etc142

PHYSICAL PROPERTIES:

PropertyKepadatan
kg/dm3
Temperature T
°C/F
Panas spesifik
J/kgK
Konduktivitas termal
W/mK
Electric resistance
µΩ·cm
Modulus elastisitas
kN/mm2
Expansion rate
172(≥)621(≥)313144Solution and Aging,Annealing,Ausaging,Q+T,etc241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0)N/mm2
Creep rupture strength
(10000h)
(Rp1,0)N/mm2
434722911

Peralatan mekanis

ReHMinimum yield strength / Mindestwert der oberen Streckgrenze / Limite d elasticite minimale
RMTensile strength / Zugfestigkeit / Resistance a la traction
AMinimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
JNotch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

Heat treatment conditions

+ASoft annealed
+ACAnnealed to achieve spheroidization of the carbides
+ARAs rolled
+ATSolution annealed
+CCold drawn / hard
+CRCold rolled
+FPTreated to ferrite-pearlite structure and hardness range
+IJika Anda ingin tahu propertinya
+LCCold drawn / soft
+MThermo mechanical rolling
+NDinormalisasi
+NTNormalized and tempered
+PPrecipitation hardened
+PETerkupas
+QAAir quenched and tempered
+QLLiquid quenched and tempered
+QTQuenched and tempered
+STreated to improve shearability
+SHAs rolled and turned
+SRCold drawn and stress relieved
+Tmarah
+THTreated to hardness range
+WWWarm worked
+UUntreated

Non-alloy quality direct-hardening steel
Chemical composition of steel 46S20 (1.0727), Standards of steel 46S20 (1.0727)
Mechanical Properties of steel 46S20 (1.0727) Equivalent grades of steel 46S20 (1.0727)
steel 46S20 (1.0727) Tensile Strength, Elongation, Proof strength , Hardness