| Customization: | Available |
|---|---|
| Type: | Round |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
|
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Introduction:
Alloy 4145 / 4145 MOD in bar
SPECIFICATIONS: GRADE ALLOY 4145, AISI 4145, UNS G41450
Castle Metals stocks a wide range of Alloy 4145 in bar distributed globally from our distribution
centers in the U.S., Canada, Mexico, U.K, France, Shanghai, and Singapore. Customers calling
for 4145 a lot of times are also trying to get their arms around forecast issues. As our customers
continue to work on their forecasts, Castle Metals has options to help you conduct structured
forecast reviews and put inventory strategies in place to effectively react to forecast variability.
Alloy 4145 is a Chrome/Moly alloy that shows high hardenability and good hardness penetration.
It has relatively high machinability when heat treated. 4145 has better hardenability than 4140 due
to its additional carbon. Alloy 4145 is a through hardening grade that maintains its properties at
high temperatures. For the Oil & Gas Industry, 4145 MOD may have higher levels of Mn, Cr and
or Mo for even higher hardenability and properties in larger section sizes.
Chemistry (range or maximum in %)
| GRADE | C | Mn | P | S | Si | Ni | Cr | Mo |
| 4145 | .43/.48 | .75/1.00 | 0.035 | 0.04 | .15/.35 | - | .80/1.00 | .15/.25 |
| 4145 MOD | .42/.49 | .75/1.30 | 0.025 | 0.025 | .15/.35 | .25 MAX | .75/1.20 | .15/.45 |
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