AR400F

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General Product Description

AR400F is a through-hardened, abrasion-resistant plate with a nominal hardness of 400 HBW. This product is intended for applications where a good combination of abrasion resistance, formability, and weldability is desired. AR400F is supplied in the quenched and tempered or as-quenched condition.

Applications

AR400F abrasion-resistant plate is used in equipment subjected to abrasive wear. Some potential applications for AR400F include truck beds, buckets, hoppers, chutes, crushers, conveyor troughs, bulldozers, excavators, and concrete mixer drums.

Available Dimensions

Grade
Grade
AR400F
Thickness
(inmm)
0.188 - 2.004.78 - 50.8
Width
(inmm)
72 - 1201800 - 3050
Length
(inmm)
240 - 6006100 - 15200

Mechanical Properties

AR400F has a nominal hardness of 400 HBW.

AR400F typical transverse tensile properties (standard plate-type tensile specimen per ASTM A370) and typical Charpy V-notch impact toughness for ¾” [19 mm] thick plate:

Hardness
(HBW)
Hardness
(HBW)
360 - 440
Typical elongation in 2"
(%)
23
Typical tensile strength
(ksi), not guaranteed
184
Typical longitudinal CVN energy at -40 °F
(ft-lb)
25

Mechanical Testing

Brinell hardness, HBW, according to ASTM A370, on a milled or ground surface 0.020” to 0.118” (0.5 - 3.0 mm) below the plate surface.

Chemical Composition

(ladle analysis, wt. % maximum, unless otherwise indicated)

C
(max %)
C
(max %)
0.18
Mn
(max %)
1.70
P
(max %)
0.025
S
(max %)
0.010
Si
(max %)
0.80
Ni
(max %)
0.50
Cr
(max %)
1.00
Mo
(max %)
0.50
B
(max %)
0.005

Carbon Equivalent

Thickness (inmm)
Thickness (inmm)
Typical CEV (wt %)
0.188 - 0.7504.78 - 19.0
0.43
0.751 - 1.24919.1 - 31.72
0.48
1.250 - 2.0031.75 - 50.8
0.58

Tolerances

Thickness, width, and length tolerances according to ASTM A6. Flatness tolerance ½ ASTM A6.

Formability properties

The minimum recommended punch radius, R, and die-opening width, W, for plate thickness, t, for cold forming AR400F are provided in the following table. Shear burrs and heat-affected zones of thermal cut edges on or near the bend axis as well as sharp corners on edges and on gas cut or punched holes located on or adjacent to the bend axis should be removed by grinding prior cold forming.

Thickness
(in. [mm])
Thickness
(in. [mm])
0.1875 – 0.75 [4.8 – 19]
Bend Axis Perpendicular to Rolling Direction Inside Radius, R (min.)
4.0t
Bend Axis Perpendicular to Rolling Direction Die Width, W (min.)
14t
Bend Axis Parallel to Rolling Direction Inside Radius, R (min.)
5.0t
Bend Axis Parallel to Rolling Direction Die Width, W (min.)
14t
Thickness
(in. [mm])
Thickness
(in. [mm])
>0.75 – 2.00 [>19 – 50.8]
Bend Axis Perpendicular to Rolling Direction Inside Radius, R (min.)
5.0t
Bend Axis Perpendicular to Rolling Direction Die Width, W (min.)
16t
Bend Axis Parallel to Rolling Direction Inside Radius, R (min.)
6.0t
Bend Axis Parallel to Rolling Direction Die Width, W (min.)
16t

Weldability

AR400F is weldable by conventional electric arc welding processes, using a maximum hydrogen potential of 5 ml/100g for the weld deposit and appropriate welding practice.

Welding process
Welding process
Shielded Metal Arc (SMAW)
Thickness
(in. [mm])
Up to 3/4 [19]
Minimum Preheat and Interpass Temperature
(°F [°C])
60 [15]
Consumables
AWS E7015-X, E7016-X, E7018-X
Welding process
Welding process
Shielded Metal Arc (SMAW)
Thickness
(in. [mm])
>3/4 – 1.25 [19 - 32]
Minimum Preheat and Interpass Temperature
(°F [°C])
210 [100]
Consumables
AWS E7015-X, E7016-X, E7018-X
Welding process
Welding process
Shielded Metal Arc (SMAW)
Thickness
(in. [mm])
>1.25 – 2.00 [32 - 50.8]
Minimum Preheat and Interpass Temperature
(°F [°C])
300 [150]
Consumables
AWS E7015-X, E7016-X, E7018-X
Welding process
Welding process
Gas Metal Arc (GMAW)
Thickness
(in. [mm])
Up to 3/4 [19]
Minimum Preheat and Interpass Temperature
(°F [°C])
60 [15]
Consumables
AWS ER70S-X
Welding process
Welding process
Gas Metal Arc (GMAW)
Thickness
(in. [mm])
>3/4 – 1.25 [19 - 32]
Minimum Preheat and Interpass Temperature
(°F [°C])
210 [100]
Consumables
AWS ER70S-X
Welding process
Welding process
Gas Metal Arc (GMAW)
Thickness
(in. [mm])
>1.25 – 2.00 [32 - 50.8]
Minimum Preheat and Interpass Temperature
(°F [°C])
300 [150]
Consumables
AWS ER70S-X
Welding process
Welding process
Submerged Arc (SAW)
Thickness
(in. [mm])
Up to 3/4 [19]
Minimum Preheat and Interpass Temperature
(°F [°C])
60 [15]
Consumables
AWS F7XX-EXXX-XX
Welding process
Welding process
Submerged Arc (SAW)
Thickness
(in. [mm])
>3/4 – 1.25 [19 - 32]
Minimum Preheat and Interpass Temperature
(°F [°C])
210 [100]
Consumables
AWS F7XX-EXXX-XX
Welding process
Welding process
Submerged Arc (SAW)
Thickness
(in. [mm])
>1.25 – 2.00 [32- 50.8]
Minimum Preheat and Interpass Temperature
(°F [°C])
300 [150]
Consumables
AWS F7XX-EXXX-XX
Welding process
Welding process
Flux Cored Arc (FCAW)
Thickness
(in. [mm])
Up to 3/4 [19]
Minimum Preheat and Interpass Temperature
(°F [°C])
60 [15]
Consumables
AWS E7XTX-X
Welding process
Welding process
Flux Cored Arc (FCAW)
Thickness
(in. [mm])
>3/4 – 1.25 [19 - 32]
Minimum Preheat and Interpass Temperature
(°F [°C])
210 [100]
Consumables
AWS E7XTX-X
Welding process
Welding process
Flux Cored Arc (FCAW)
Thickness
(in. [mm])
>1.25 – 2.00 [32 - 50.8]
Minimum Preheat and Interpass Temperature
(°F [°C])
300 [150]
Consumables
AWS E7XTX-X

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