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AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft

China AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft, Find details about China Steel Crankshaft Forging, Scm440 Steel Crankshaft from AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft

Model NO.
steel crank shaft forging
Surface Treatment
Polishing
Forging Tolerance
+/-0.1mm
Standard
ASTM
Certification
ISO 9001:2000, ISO 9001:2008
Od
From 200mm to 650mm
Wall Thickness
From 30mm to 150mm
Lengths
500-10000mm
Certificates
ISO,SGS,PED
Trademark
steel camshaft
Transport Package
as Per Customer′s Request
Specification
steel crank shaft forging
Origin
Jiangsu China
HS Code
73269090
Model NO.
steel crank shaft forging
Surface Treatment
Polishing
Forging Tolerance
+/-0.1mm
Standard
ASTM
Certification
ISO 9001:2000, ISO 9001:2008
Od
From 200mm to 650mm
Wall Thickness
From 30mm to 150mm
Lengths
500-10000mm
Certificates
ISO,SGS,PED
Trademark
steel camshaft
Transport Package
as Per Customer′s Request
Specification
steel crank shaft forging
Origin
Jiangsu China
HS Code
73269090
AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft
AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft
AISI4140 Steel Crank Shaft Forging/ Steel Crankshaft
Name: Scm440 AISI4140 Q345 St52 S355jr Steel crankshaft /forging steel camshaft 

Equivalent grades 
GBDINAISIJIS
42CrMo1.72254140SCM440
Chemical Composition 
CSiMnCrMoPS
0.38-0.430.40max0.60-0.900.90-1.200.15-0.30≤0.035≤0.035
Available size 
Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm
Surface condition 
Black surface/ Grinded/ Machined
Hardness 
Annealed HBS 217 max
Characteristics 
4140 Alloy Steel/SAE 4140 Steel Price is engineering steel supplied in quenched and tempered conditions. Very good machinability.
 High toughness. High creep strength. Repeated impact resistant capability.
Applications 
4140 Alloy Steel/SAE 4140 Steel Price is use to produce components with high requirements on toughness, e.g. gear wheels, pinions, 
connecting rods, parts for mechanical engineering .
Heat treatment 
ForgingHeat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
AnnealingHeat to 830°C-850°C.Cool in furnace.
NormalizingHeat to 870°C-900°C.Cool in still air.
Stress RelievingAnnealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air.
HardeningHeat to 830°C-880°C. Quench in oil or polymer.
TemperingHeat to 450°C-700°C cool in still air. NB.  Tempering within the range 200°C-420°C  will result in temper brittleness and should be avoided.
Steel Grades We can Supply
Cold work tool steel 
DIN 1.2067, 1.2080, 1.2363, 1.2379, 1.2436, 1.2510, 1.2550, 1.2746, 1.2767, 1.2842, etc.
AISI L1, L3, D3, D2, D6, A2, A5, O1, O2, 6F7, etc.
JIS SUJ2, SKD1, SKD11, SKD12, SNCM2, DC53(DAIDO), etc.
Hot work tool steel 
DIN 1.2343, 1.2344, 1.2365, 1.2367, 1.2581, 1.2714, 1.2885, etc.
AISI H10, H10A, H11, H12, H13, H21, L6, S7
JIS SKD61, SKT4, etc.
Plastci mould steel 
DIN 1.2083, 1.2085, 1.2311, 1.2312, 1.2316, 1.2738, etc.
AISI 420, P20, P20+S, P20+Ni, etc.
DAIDO NAK80
High speed tool steel 
DIN 1.3343, 1.3355/ AISI M2, T1.
Alloy steel 
AISI/SAE 4140, 4130, 4340, 8620, 8640, etc.

AISI4140 Steel Crank Shaft Forging/ Steel CrankshaftAISI4140 Steel Crank Shaft Forging/ Steel Crankshaft
 

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