AISI Type O7 Tool Steel

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

AISI Type O7 Tool Steel
Categories:	Metal; Ferrous Metal; Tool Steel; Cold Work Steel; Oil-Hardening Steel
Material Notes:	General purpose, oil-hardening, nondeforming alloy tool steel suitable for applications where extreme dimensional accuracy is required. Applications include punches, dies, and knives where a keen cutting edge is required.
Key Words:	AISI Oil-Hardening Tool Steel O7, UNS T31507, ASTM A681, FED QQ-T-570, oil-hardening, non-deforming alloy tool steel suitable, dimensional accuracy, wear resistant
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	58 - 64	58 - 64
Bulk Modulus	160 GPa	23200 ksi	Typical for steels.
Machinability	85 %	85 %	Based on 1% carbon water-hardening tool steel.
Shear Modulus	80.0 GPa	11600 ksi	Typical for steels.

Thermal Properties	Metric	English	Comments
CTE, linear	11.2 µm/m-°C	6.22 µin/in-°F

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 290 °C	347 - 554 °F	Tempering Temperature
	790 - 885 °C	1450 - 1630 °F	Hardening Temperature
Annealing Temperature	790 - 815 °C	1450 - 1500 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	1.1 - 1.3 %	1.1 - 1.3 %
Chromium, Cr	0.60 %	0.60 %
Iron, Fe	94 %	94 %	As Balance
Manganese, Mn	<= 1.0 %	<= 1.0 %
Molybdenum, Mo	<= 0.30 %	<= 0.30 %
Phosphorus, P	<= 0.030 %	<= 0.030 %
Silicon, Si	<= 0.60 %	<= 0.60 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Tungsten, W	1.5 %	1.5 %
Vanadium, V	<= 0.40 %	<= 0.40 %

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

Users viewing this material also viewed the following:
AISI Type O6 Tool Steel
AISI Type O2 Oil-hardening Tool Steel, oil quenched at 800°C, tempered at 260°C
AISI Type A2 Tool Steel
AISI Type A6 Tool Steel
AISI Type A7 Tool Steel

MSTO7A / 14105

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message