Alloy Steel with 4145H Ningshing Distributor 120 Ksiasper API Standard Flat Steel Plate Metal Sheet Pipe Block Round Bar

• Standard: AISI, ASTM, DIN, JIS
• Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Free Cutting Steel, Mold Steel
• Transport Package: Customization
• Specification: Customization
• Trademark: Ningbo Ningshing
• Origin: China
• Model NO.: 4145h
• Production Capacity: 10000 Tons/Year

Product Description

Ningshing Distributor 4145h/4145h 120 Ksiasper API Standard/1045/Flat Bar/Steel Block/Round Bar
 

Ningshing Precision Machinery began in 1992. We devote oneself to providing One-Stop Solutions to our customers on Tool Steel, Die Steel, Alloy Steel, Mold Base, Machining Parts, CNC Machine.

Product Description

 

 

4145H 120 KSIasper API standard

AISI 4145H 120 KSI Alloy Steel Bar for Drilling Collar, Drill Pipe, Square Kelly, Lifting Sub, Stabilizer
Dimensions
Hot Rolled Round:dia.50-130 mm.
Forged Round: dia.100-1300 mm.

Delivery Condition
EAF+LF+VD, Hot Rolled or Forged, Machined, Q+T, UT 100% Passed.

 

Chemical Composition(%)

C	Si	Mn	P	S	Cr	Mo	Ni	Cu
0.42-0.49	0.15-0.35	0.80-1.15	≤ 0.020	≤ 0.025	0.75-1.20	0.15-0.45	≤ 0.25	≤ 0.30

 

Mechanical Properties

	Tensile Strength PSI (MPa)	Yield Strength PSI (MPa)	Elongation	Reduction of Area	Hardness
Min.	140000	120000	14%	45%	30 HRC (285 HB)
Max.	------	------	------	------	36 HRC (341 HB)

Characteristics
AISI / SAE 4145H grade is a low-alloy steel containing chromium and molybdenum as strengthening agents. The steel has good fatigue strength and impact toughness in low temperature, weldability and machinability.

Applications
This low-alloy steel is used in heat treated condition with 120 KSI minimum yield strength for oil and gas equipments of well drilling, wellhead, Christmas tree, etc.

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