Carbon Plate
TESTING
Churchill Steel Plate offers one of the nation’s largest selections of steel plate, in stock and ready for cutting/shipping.
With thicknesses of up to 24 inches, you’ll find the stock you need. That means savings on shipping costs, grinding and milling and machine time.
ASTM 36
General Description
One of the most widely used carbon steel plate specifications for constructional purposes.
Mechanical Properties
Yield point min. 36 ksi Tensile Strength. 58 ksi/80 ksi Plates >8″ – yield point 32 ksi min
Chemical Requirements
THICKNESS
< 3/4″
>3/4″ – 1 1/2″
>1 1/2″ – 2 1/2″
>2 1/2″ – 4″
>4″
Carbon, max %
Manganese, %
Silicon, max %
0.25
–
0.40
0.25
0.80/1.20
0.40
0.26
0.80/1.20
0.15/0.40
0.27
0.80/1.20
0.15/0.40
0.29
0.85/1.20
0.15/0.40
ASTM A572 (A709)
Grade 50
General Description
General-purpose high-strength low-alloy steel designed to offer optimum combinations of strength, weldability, and notch toughness at economical costs.
Mechanical Properties
- Yield point: min: 50.0 ksi
- Tensile Strength: min: 65.0 ksi
Chemical Requirements
THICKNESS
3/8 – 1 1/2″
>1 1/2″ – 4″
Carbon, max %
Manganese, %
Silicon, max %
0.23
1.35
0.4
0.23
1.35
0.15/0.40
ASTM A830 / C1045
General Description
Medium carbon steel produced to chemistry range only. Good machinability but not readily weldable or formable.
Chemical Requirements
THICKNESS
3/8 – 1 1/2″
>1 1/2″ – 4″
Carbon, max %
Manganese, %
Silicon, max %
0.43/0.50
0.60/0.90
0.15/0.40
0.43/0.50
0.60/0.90
0.15/0.40
Clean-Cut® – 20 LCFM
General Description
Low carbon, free machining steel which ease of machining is prime.
Chemical Requirements
THICKNESS
Thru 3.25”
Carbon, max %
Manganese, %
Silicon, max %
0.14/0.22
1.20/1.50
0.10/0.40
A516-70
General Description
Carbon steel plate with a 70/90 Tensile range. Service in welded Pressure Vessels where improved notch toughness is important.
Mechanical Properties
- Yield point Min 38 ksi
- Tensile strength 70/90 ksi
Chemical Requirements
THICKNESS
1/2″ – 2″
>2″ – 4″
>4″
Carbon, max %
Manganese, %
Silicon, max %
0.28
.85/1.20
0.15/0.40
0.30
.85/1.20
0.15/0.40
0.31
.85/1.20
0.15/0.40
