SAE 4140 Forging Ingots
AISI / SAE 4140 chromium-molybdenum steel. The American-designation counterpart of EN19 and 42CrMo4. Strong, tough and easy to heat treat.
SAE 4140 chemical composition
| C | 0.38 – 0.43 % |
|---|---|
| Si | 0.15 – 0.35 % |
| Mn | 0.75 – 1.00 % |
| Cr | 0.80 – 1.10 % |
| Mo | 0.15 – 0.25 % |
| P | 0.035 max % |
| S | 0.040 max % |
Indicative ranges from the common grade standard. The final analysis is as per the order and the heat test certificate.
Equivalent grades
EN19 / 709M40 · 42CrMo4 / 1.7225 · SCM440 (JIS)
Equivalents are approximate. See the grade equivalents guide.
SAE 4140 as a forging ingot
4140 forging ingots are a staple for oil and gas forgings, flanges and shafts.
Kesari Alloys casts SAE 4140 in square, fluted and round shapes from M1.5 to M22, with vacuum degassing, ladle refining and bottom pouring. See the ingot size chart for dimensions and weights.
Heat treatment: Hardened and tempered. Used widely in quenched and tempered form.
SAE 4140 ingot manufacturer and supplier
As a SAE 4140 forging ingot manufacturer and SAE 4140 steel ingot manufacturer, Kesari Alloys casts SAE 4140 in square, fluted and round shapes. We are also a SAE 4140 steel ingot supplier India forging shops can enquire with, a SAE 4140ingot supplier India wide, and a SAE 4140 ingot manufacturer India customers can visit at the Bhiwadi plant.
As a 4140 forging ingot manufacturer and 4140 steel ingot manufacturer, Kesari Alloys casts 4140 in square, fluted and round shapes. We are also a 4140 steel ingot supplier India forging shops can enquire with, a 4140ingot supplier India wide, and a 4140 ingot manufacturer India customers can visit at the Bhiwadi plant.
Typical forged parts in SAE 4140
- Drill collars and oil field tubulars
- Crankshafts and axles
- Gears and shafts
- Fasteners and flanges
Applications: shafts and crankshafts, pressure vessels and tube sheets, oil and gas equipment, the automobile industry, sugar mills and heavy engineering, open die forging, industrial rollers.
Related grades
SAE 4140 questions
What is SAE 4140 steel used for?
SAE 4140 is used for drill collars and oil field tubulars, crankshafts and axles, gears and shafts, fasteners and flanges.
What is the equivalent of SAE 4140?
EN19 / 709M40 · 42CrMo4 / 1.7225 · SCM440 (JIS). Equivalents are approximate, so check the limits in your specification.
Does Kesari Alloys supply SAE 4140 forging ingots?
Yes. SAE 4140 is available as square, fluted or round forging ingots, vacuum degassed and bottom poured. Send the size, quantity and standard to info@ksl.in for a quotation.