Save up to 60% on Select Carbon Steel Sheet/Plate Today!

3.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -Part #: 7408

alloy-steel-round-bar-4340-normalized-rough-turned-main

FREE MTR AVAILABLE

FULL
LENGTHS

See what other people are making with this product in our gallery section >

Dimension(s) for this product

Diameter: 3.5"

We carry 45 additional available dimensions for Alloy Steel Round Bar 4340

Material Meets These Standard(s): ASTM-A322, AMS-6415, AMS-6484, ASTM-A29
Read More Specifications See Product Guide

Select length below or Custom Cut

12" (1 ft.) - $514.40
wt. 32.66 lb.

24" (2 ft.) - $996.78
wt. 65.32 lb.

36" (3 ft.) - $1,447.16
wt. 97.98 lb.

48" (4 ft.) - $1,865.54
wt. 130.64 lb.

144" (12 ft.) - $4,526.68
wt. 391.92 lb.

Custom Cut - Select For Price

Update Your Quantity and Add to Your Cart

QTY

$514.40 ea.

$514.40 for 1

OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION

See Alloy Steel Tolerances

Alloy Steel Round Bar 4340 Normalized Rough Turned has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. Additionally, 4340 can be cold worked easily in the annealed state. It is typically used in military aircraft, automotive systems, hydraulic parts, machine tools, and a steel crankshafts.

Dimension Name	Specification
Alloy	4340
Temper	Normalized
Production Method	Rough Turned
Diameter	3.5
Max Length	144
MTR Availability	Yes
Full Length	true
Material	Alloy Steel
Shape	Bar-Round
Custom Cut Warehouse	1

Material Specifications

This material meets the following specs: ASTM -A322, AMS -6415, AMS -6484, ASTM -A29

Weight/Lineal Foot
32.66 pounds

Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.

Mechanical Properties
Property	Value
Brinell Hardness 500 kg load	363
Rockwell Hardness B Scale	100
Density g/cm^3	7
Elongation Typical %	12
Melting Point °F	2580 - 2650
Modulus of Elasticity KSI x 10^3	29
Reduction of Area %	36
Specific Heat BTU/lb-°F (32-212F)	1
Tensile Strength KSI	185
Thermal Conductivity BTU-in/hr-ft^2-°F	309
Yield Strength KSI	125
Shear Strength KSI	110

Chemistry Information: 4340 Alloy Steel
Element	Percentage
C	0.37 - 0.43
Cr	0.8
Fe	96
Mn	0.7
Ni	1.83
P	0.035 max
S	0.04 max
Si	0.23

Can't find what you're looking for?

Open for Orders 24/7!

Select length below or Custom Cut

Update Your Quantity and Add to Your Cart

OVERVIEW SPECIFICATIONS AND TECHNICAL INFORMATION

Dimension Name

Specification

Weight/Lineal Foot

Mechanical Properties

Chemistry Information: 4340 Alloy Steel

AVAILABLE SIZES FOR THIS PRODUCT

REVIEWS

GALLERY