AISI 4145 Alloy Steel Hollow Bar

Categories	Steel Forgings
Brand	fushun
Model	4145
Heat treatment	Quenching and Tempering
Surface	Bright or Black Surface
Application	Oil industry, Drill collar, Kelly, Heavy weight, subs,drilling equipment
FOB port	SHANGHAI
Terms of Payment	L/C, T/T
Update Time	Apr 18,2024

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Detail Information

Alloy AISI 4145 Steel Round Bar

Compared with AISI 4140, AISI 4145 is a chromium molybdenum low alloy steel grade widely used in the oil and gas sectors but with a higher carbon content. AISI 4145H and 4145H MOD are the upgraded type of AISI 4145.

Relevant standards:

ASTM A29, ASTM A322, ASTM A331, ASTM A505, ASTM A519, SAE J404, SAE J412, SAE J770, UNS G41450

Size of supply:

Diameter : 80mm To 800mm

Length: 1000 mm Long To 6000 mm Long

Finish: Bright, Polish & Black

Application:

AISI 4145 is more popular in larger diameters due to its increased strength and hardenability. It is commonly used in the down hole drilling tools such as drill collars. Other applications include components exposed to heavy strain, such as shafts, gear, bolts etc. AISI 4145H can also be used in hardened condition as machine parts exposed to heavy wear.

AISI 4145 Chemical and physical Analysis: max

C	Mn	Cr	Mo	Si	Ni	P max	S
0.43-0.48	0.85-1.10	0.80-1.10	0.15-0.25	0.10-0.35	0.25	0.035	0.04

Tensile strength (ksi) min : 140

Yield Strength 0.2% Proof (ksi) min : 120

Elongation % : 14

Hardness HRc: 30

AISI 4145 is a Cr- Mo alloy steel which widely used in the oil and gas industry, stock and supply plenty of 4145 drill collar bars. As a low alloy steel supplier and vendor,we welcome enquire for AISI 4145 steel, contact us for further details.