SHANDONG TERENTE STEEL CO., LTD.

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

Keywords :

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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.

FACTORY APPEARANCE

Factory Workshop

PRODUCT INSPECTION PROCESS

1. Collecting Samples

2. Dimensional Measurement

3. Chemical Composition Testing

4. Tensile Testing

5. UT Test

6. Bending Test

7. Hardness Test

8. Weight Test

PACKAGING AND SHIPPING

Reliable Quality

In accordance with international standards, it has strict control and stable performance, and can meet the high requirements of multiple scenarios.

Complete Specifications

A variety of materials and models are available to suit multiple industries, reducing purchases from multiple parties.

Price Competitiveness

With the advantages of scale and supply chain, it has high cost performance and reduces procurement costs.

Stable Supply

Mature production logistics ensure long-term supply and on-time delivery.

Packing and delivery

It relies on its product, price, service and location advantages to establish long-term cooperation with many clients in North America, South America, Europe, Southeast Asia, the Middle East and Africa, and has established a business foundation in Peru, the Philippines, Russia and elsewhere.

CUSTOMER VISIT

FAQ

1.Are you a factory or a trading company

We are a steel plant with large-scale production facilities in China, integrating production, processing, and sales

2. Does the company guarantee the quality and quantity of shipments

This is necessary, in order to establish a long-term partnership with our clients and be friends

3. Which port does the goods export from

Generally, it is Tianjin Port, Qingdao Port, Guangzhou Port, Shanghai Port, and can also be shipped from the port designated by the customer

4. Does the company provide after-sales service

Yes. We welcome customers to raise questions at any time, provide 365 day online answers, discuss cooperation processes, product usage, etc

5.Can we conduct on-site inspections at the factory

Of course, we always welcome overseas friends to visit, exchange, and learn on-site

6. Does it support prepayment of deposit

Of course, the specific amount will be negotiated based on the value of the product and goods

Carbon Steel Bar