Blue Steel | McMaster-Carr

	System of Measurement System of Measurement

	Thickness Thickness

	Width Width

	Length Length

	Shape Shape


Sheet and Bar	Ring

	Material Material

1095 Spring Steel

1075 Spring Steel

1008-1010 Carbon Steel

1050 Spring Steel

1074-1095 Spring Steel

	Heat Treatment Heat Treatment

Annealed (Softened)

	Hardness Rating Hardness Rating

	Hardness Hardness

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Certificate Certificate

	Material Certificate with Traceable Lot Number

	Elongation Elongation

	Yield Strength Yield Strength

	ID ID

	OD OD

	Shim Stock Form Shim Stock Form


Sheet	Roll

	Minimum Hardness Minimum Hardness

	Specifications Met Specifications Met

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

	Individual/Set Individual/Set

	Maximum Hardness After Heat Treatment Maximum Hardness After Heat Treatment

	For Screw Size For Screw Size

	For Shoulder Diameter For Shoulder Diameter

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About Carbon Steel, Alloy Steel, Spring Steel, and Cast Iron

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Spring Steel

Wear-Resistant 1095 Spring Steel Sheets and Strips

Wear-Resistant 1095 Spring Steel Sheets and Strips

Also known as blue-tempered steel.

Easy-to-Form Wear-Resistant 1095 Spring Steel Sheets

Easy-to-Form Wear-Resistant 1095 Spring Steel Sheets

These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties.

1075 Spring Steel Strips

Also known as scaleless steel.

Easy-to-Form 1075 Spring Steel Sheets

Easy-to-Form 1075 Spring Steel Sheets

These sheets have a softened temper, which is also known as annealed, so they can be easily formed into shape and then heat treated for spring properties.

Easy-To-Form Multipurpose 1050 Spring Steel Sheets

Easy-To-Form Multipurpose 1050 Spring Steel Sheets

Containing more carbon than low-carbon steel—but less than 1095 spring steel—1050 spring steel is easily formed into parts such as washers, brackets, and springs before being hardened for use.

Fasteners

Shim Stock

Cut this stock into custom shapes to fit your application.

Shim Stock Sets

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Keep shim stock in a variety of thicknesses on hand with these sets. Cut into custom shapes to fit your application.

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Shims for Shortening Screw Shoulders

Slide these shims under the screw head to shorten the shoulder length.

Shim Assortments for Button Dies

Shim Assortments for Button Dies

Place these shims under sharpened dies to restore their original height and extend the life of the dies.

Shim Assortments for Shortening Shoulder Screws

Shim Assortments for Shortening Shoulder Screws

Slide onto a shoulder screw to shorten the length of the shoulder.

Shim Assortments for Lengthening Shoulder Screws

Shim Assortments for Lengthening Shoulder Screws

Spin these tight-fitting shims onto your screw's threads to lengthen the shoulder.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)