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AISI/SAE 4340 Carbon Steel Bar

AISI 4340 alloy steel is a heat treatable low alloy steel containing chromium, nickel and molybdenum. It has high toughness and high strength under heat treatment conditions.

Classification :

Carbon Steel Bar

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PRODUCT DETAILS

Keywords: Steel Plate 、 Steel Coil

AISI/SAE 4340 Carbon Steel Bar Description

AISI 4340 alloy steel is a heat treatable low alloy steel containing chromium, nickel and molybdenum. It has high toughness and high strength under heat treatment conditions.

Product Parameters

Product Name	AISI/SAE 4340 Carbon Steel Bar
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications	3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications	6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications	AF5.8mm-17mm
Square Bar Common Specifications	AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length	1-6meters, Size Accept Custom
Diameter(mm)	Hot Rolling Round Bar	25-600	Cold Rolling Square Bar	6-50.8
	Hot Rolling Square Bar	21-54	Cold Rolling Hexagon Bar	9.5-65
	Cold Rolling Round bar	6-101.6	Forged Rebar	200-1000
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Chemical Composition

Grade	Mn	S	C	P	Si	Cr	Ni
AISI 4340	0.60-0.80	0.035	0.38-0.43	0.04	0.15-0.35	0.70-0.90	1.65-2.00

Mechanical Properties

Grade	Tensile Strength kg f/mm2	Yield Strength kg f/mm2	Elongation %	Hardness HB
AISI 4340	≥ 100	≥90	≥ 16	293-352

Scope of Application

AISI 4340 alloy steel is mainly used for power transmission gears and shafts, aircraft landing gear and other structural parts.

CUSTOMER VISIT

In ZYUAN, more than 180 steel grades have either been used to substitute import or produced with foreign standards, more than 30 steel grades have been exported many developed countries and regions in Europe, America and Asia, setting up mighty image of brand.

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FACTORY WORKSHOP

ZYUAN STEEL GROUP CO.,LTD has been founded over 20 years. And ZYUAN has 12 product series, 300 and more steel grades, 400 and more thickness specifications steel pipes, sheet, coils and other products such as low alloy high strength steel products and alloy structural steel products etc.

TEST

FAQ

Once the products received by customer were found not comply with the products or contract demands, what will you do?

A: We will compensate the customer for all the loss without any hesitation.

Do you provide samples Is it free or extra?

A: Yes, we could offer free samples.

What certifications do your products have?

A: We have ISO 9001, SGS, EWC and other certifications.

What kind of payment terms would you accept?

A: We always do T/T.30% T/T as deposit,70% T/T as balance.

What is the delivery time?

A: 10-15 days

What is your MOQ?

A: We will provide Original Mill Usually 25 tonnes, but it can be adjusted according to your needs and the actual situation of the inventory.

Carbon Steel Bar