1045 1035 5140 4145h 4150 Alloy Carbon Mild Steel Round Bars

• Type: Carbon or Alloy
• Standard: AISI, ASTM, DIN, JIS, GB, BS
• Composition: Carbon
• Technique: Cold Drawn
• Shape: Bar Square Hexagons Flat
• Surface Treatment: Bright
• Model NO.: alloy steel bar
• Special Use: Carbon
• Application: Hardware Tools, Auto Parts, Standard Parts, Fasten
• Straightness Accuracy: ±3mm/M
• Degree of Finish: 3.2um
• Transport Package: Standard Seaworthy Package
• Specification: 3mm-150mm
• Trademark: DaJin
• Origin: Shandong
• Production Capacity: 1000tons/Month

Product Description

1045 1035 5140 4145H 4150 alloy carbon mild steel round bars

SAE4140 Chemical Composition

Material	Chemical Composition %
SAE	C	Si	Mn	S	P	Cr	Mo
SAE4140	0.38-0.43	0.15-0.35	0.75-1.0	0.035max	0.035max	0.80-1.10	0.15-0.25

 

3.SAE4140 Mechanical Properties

Mechanical Properties after Quenched&Tempered
Yield Strength (MPa)	Tensile Strength (MPa)	Elongation	Reduction of area	AKV (J)
930 min	1080 min	12% min	>45%	>63

4.SAE4140 Steel Applications
High strength stud bolt, Threaded Rods, wind power bolt, prestressed anchor bolts,
post stressed anchor bolt, Steel Tie Rod, tie bar, tension rod, Tension Bar etc.Shaft,
axle shaft, crankshaft, shaft for sleeve, linear shaft, pump shaft, rotor shaft, sensor
shaft, spline shaft, drive shaft, mandrel shaft, transmission shaft, screw rod etc.
CNC machines, precision CNC machines, ejector pins and ejector rods etc.
 

Product name	Square Bar
Size	10x10-100x100mm
Technique	Cold drawn
Shape	Square
Material	Q195,Q215,Q235,Q345,A36,SS400,S235JR-S355JR,A36-A992,ST37-2, Q345/ST52,S235,S355
Quality grade	First grade
Tolerence of OD	±0.35 or ±0.40mm
Length	Acorrding to customer's requirement
MOQ	5 Ton/Tons
Deliver Time	Within 20 days
Package	1)Inneer bunding with steel wires, steel stripes or steel rebars; 2)outer packing is plastic braided bags; 3)standard seaworthy export packing; 4)according to customer demand.
Payment terms	T/T,L/C,D/A,D/P, Western Union, Money Gram
Usage industry	machinery manufacturing, equipment
Others	1)We can do special orders as customers requests! 2)We can also can provide all kinds of steel bars.