Forging Ingot Size Chart
Forging ingot sizes and the forging ingot weight chart in one table. Standard forging ingot sizes from Kesari Alloys: mark, dimensions, shape, hot top type, pieces per heat and weight with hot top. Dimensions are the size without hot top, in inches unless stated in mm.
Square forging ingots (11 sizes)
| Mark | Size (without hot top) | Hot top | Pcs per heat | Weight with hot top (kg) |
|---|---|---|---|---|
| M1.5 | 11 × 15 × 66 | Over imposed | 10 | 1,450 |
| M1.5 | 14 × 18 × 54 | Over imposed | 8 | 1,700 |
| M2 | 14 × 18 × 66 | Over imposed | 8 | 2,100 |
| M3 | 17 × 21 × 66 | Over imposed | 6 | 2,850 |
| M3 | 19 × 23 × 60 | Over imposed | 6 | 3,250 |
| M4 | 20 × 24 × 72 | Over imposed | 4 | 4,100 |
| M4 | 22 × 24 × 60 | Over imposed | 4 | 3,800 |
| M5 | 25 × 29 × 54 | Over imposed | 4 | 4,800 |
| M5 | 22 × 27 × 72 | Over imposed | 4 | 5,500 |
| M6 | 28 × 33 × 54 | Semi inserted | 3 | 6,400 |
| M6 | 28 × 33 × 54 | Over imposed | 3 | 6,900 |
Fluted forging ingots (16 sizes)
| Mark | Size (without hot top) | Hot top | Pcs per heat | Weight with hot top (kg) |
|---|---|---|---|---|
| M1.5 | 13 × 17 × 72 | Over imposed | 8 | 1,450 |
| M2 | 19 × 23 × 48 | Over imposed | 6 | 2,300 |
| M2 | 18 × 21 × 66 | Over imposed | 6 | 2,650 |
| M3 | 19 × 23 × 72 | Over imposed | 6 | 3,400 |
| M4 | 21 × 24 × 72 | Over imposed | 4 | 3,850 |
| M6 | 27 × 32 × 72 | Semi inserted | 3 | 6,800 |
| M6 | 27 × 32 × 72 | Over imposed | 3 | 7,100 |
| M7 | 29 × 35 × 72 | Semi inserted | 2 | 8,000 |
| M7 | 29 × 35 × 72 | Over imposed | 2 | 8,500 |
| M9 | 32 × 39 × 72 | Semi inserted | 2 | 9,700 |
| M9 | 32 × 39 × 72 | Over imposed | 2 | 10,300 |
| M13 | 38 × 47 × 66 | Over imposed | 1 | 13,800 |
| M17 | 42 × 50 × 72 | Semi inserted | 1 | 16,400 |
| M17 | 42 × 50 × 72 | Over imposed | 1 | 18,200 |
| M22 | 49 × 57 × 72 | Semi inserted | 1 | 21,000 |
| M22 | 49 × 57 × 72 | Over imposed | 1 | 23,500 |
Round forging ingots (3 sizes)
| Mark | Size (without hot top) | Hot top | Pcs per heat | Weight with hot top (kg) |
|---|---|---|---|---|
| M2 | 410 × 410 × 2300 mm | Over imposed | 6 | 2,300 |
| M3 | 510 × 510 × 2300 mm | Over imposed | 6 | 3,500 |
| M6 | 690 × 690 × 2300 mm | Over imposed | 3 | 6,700 |
How to read the chart
Mark is the weight class. Size is the body of the ingot without the hot top (small end × large end × height). Hot top is either over imposed or semi inserted; read about hot top ingots. Pcs per heat is the number of ingots poured from one heat.
Not sure which ingot fits your part? Read how to choose the right ingot size or send us your drawing. For the grade, see the steel grade directory.
Surcharges and supply conditions apply for ingots above 6 tonne. Confirm at quotation.
Ingot size questions
What sizes of forging ingots does Kesari Alloys supply?
Kesari Alloys supplies square, fluted and round forging ingots from M1.5 (about 1.45 tonne) up to M22 (about 21 to 23.5 tonne with hot top). The full table is on the ingot size chart page.
What does the M number mean on a forging ingot?
The M mark is the ingot weight class. M1.5 is about 1.5 tonne and M22 is about 22 tonne. The exact weight with hot top depends on the shape and hot top type, as shown in the table.
Are the ingot weights exact?
No. Weights include the hot top and are nominal. Final weights depend on mould and hot top, and are confirmed at order.