Steel Trim | McMaster-Carr

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U Channel	90° Angle

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	Inside Width Inside Width

	Inside Height Inside Height

	Base Thickness Base Thickness

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	Outside Corner Shape Outside Corner Shape

Square

Round

	Inside Corner Shape Inside Corner Shape

Round

	Leg Thickness Leg Thickness

	Fabrication Fabrication

Hot Rolled

	Yield Strength Yield Strength

36,000 psi

	Appearance Appearance

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	Hardness Rating Hardness Rating

Medium

	Tolerance Rating Tolerance Rating

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	Wall Thickness Wall Thickness

	Specifications Met Specifications Met

ASTM

	Maximum Temperature Maximum Temperature

Not Rated

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

DFARS Specialty Metals
COTS-Exempt

	Heat Treatable Heat Treatable

Yes

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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

Yield Strength: 36,000 psi
Hardness: Not Rated (Medium)
Heat Treatable: Yes
Max. Hardness After Heat Treatment: Not Rated
Specifications Met: ASTM A36

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. This material can be surface hardened with heat treating.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Thickness			Outside			Inside		Corner Shape
Leg	Base	Base Thickness Tolerance	Ht.	Ht. Tolerance	Wd.	Ht.	Wd.	Outside	Inside		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
0.141"	1/8"	-0.01" to 0.01"	3/8"	-0.063" to 0.063"	3/4"	1/4"	1/2"	Square	Round	0000000	00000	000000	000000
0.141"	1/8"	-0.01" to 0.01"	1/2"	-0.063" to 0.063"	1"	3/8"	3/4"	Square	Round	0000000	0000	00000	00000
0.141"	1/8"	-0.01" to 0.01"	3/4"	-0.063" to 0.063"	1 1/2"	5/8"	1 1/4"	Square	Round	0000000	00000	00000	00000
0.141"	1/8"	-0.01" to 0.01"	1"	-0.063" to 0.063"	2"	7/8"	1 3/4"	Square	Round	0000000	0000	00000	00000
0.17"	0.17"	-0.01" to 0.01"	1.41"	-1/8" to 1/8"	3"	1.24"	2.454"	Square	Round	0000000	00000	00000	000000
0.184"	0.184"	-0.015" to 0.015"	1.584"	-1/8" to 1/8"	4"	1.4"	3.408"	Square	Round	0000000	00000	00000	000000
0.19"	0.19"	0.02" to 0.02"	1 3/4"	-1/8" to 1/8"	5"	1.56"	4.36"	Square	Round	0000000	00000	00000	000000
0.2"	0.2"	-0.02" to 0.02"	1.92"	-1/8" to 1/8"	6"	1.72"	5.314"	Square	Round	0000000	00000	00000	000000
0.25"	3/16"	-0.015" to 0.015"	1"	-0.063" to 0.063"	2"	13/16"	1 5/8"	Square	Round	0000000	00000	00000	00000
0.25"	1/4"	-0.02" to 0.02"	5/8"	-0.063" to 0.063"	2"	3/8"	1 1/2"	Square	Round	0000000	00000	00000	00000

Low-Carbon Steel 90° Angles

Yield Strength: 36,000 psi
Hardness: Not Rated (Medium)
Heat Treatable: See Table
Max. Hardness After Heat Treatment: Not Rated
Specifications Met: See Table

Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps, mounting plates, and spacers. Some of these angles can be surface hardened with heat treating.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Outside		Inside
Ht.	Wd.	Ht.	Wd.	Heat Treatable	Specifications Met	Outside Corner Shape		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/8" Wall Thick.
1/2"	1/2"	3/8"	3/8"	Yes	ASTM A36	Round	00000000	00000	00000	000000
3/4"	3/4"	5/8"	5/8"	Yes	ASTM A36	Round	00000000	0000	0000	00000
1"	1"	7/8"	7/8"	Yes	ASTM A36	Round	00000000	0000	0000	00000
1 1/4"	1 1/4"	1 1/8"	1 1/8"	Yes	ASTM A36	Round	00000000	0000	0000	00000
1 1/2"	1 1/2"	1 3/8"	1 3/8"	Yes	ASTM A36	Round	00000000	0000	00000	00000
1 3/4"	1 3/4"	1 5/8"	1 5/8"	Yes	ASTM A36	Round	0000000	0000	00000	00000
2"	1 1/2"	1 7/8"	1 3/8"	Yes	ASTM A36	Round	0000000	0000	00000	00000
2"	2"	1 7/8"	1 7/8"	Yes	ASTM A36	Round	00000000	0000	00000	00000
3/16" Wall Thick.
1"	1"	13/16"	13/16"	Yes	ASTM A36	Round	00000000	0000	00000	00000
1 1/4"	1 1/4"	1 1/16"	1 1/16"	Yes	ASTM A36	Round	0000000	0000	00000	00000
1 1/2"	1 1/2"	1 5/16"	1 5/16"	Yes	ASTM A36	Round	00000000	0000	00000	00000
1 3/4"	1 3/4"	1 9/16"	1 9/16"	Yes	ASTM A36	Round	00000000	0000	00000	00000
2"	1 1/2"	1 13/16"	1 5/16"	Yes	ASTM A36	Round	0000000	0000	00000	00000
2"	2"	1 13/16"	1 13/16"	Yes	ASTM A36	Round	00000000	0000	00000	00000
2 1/2"	2 1/2"	2 5/16"	2 5/16"	Yes	ASTM A36	Round	00000000	0000	00000	00000
3"	2"	2 13/16"	1 13/16"	Yes	ASTM A36	Round	000000	0000	00000	00000
3"	3"	2 13/16"	2 13/16"	Yes	ASTM A36	Round	00000000	00000	00000	00000
1/4" Wall Thick.
1"	1"	3/4"	3/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
1 1/4"	1 1/4"	1"	1"	Yes	ASTM A36	Round	0000000	0000	00000	00000
1 1/2"	1 1/2"	1 1/4"	1 1/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
1 3/4"	1 3/4"	1 1/2"	1 1/2"	Yes	ASTM A36	Round	0000000	0000	00000	00000
2"	1 1/2"	1 3/4"	1 1/4"	Yes	ASTM A36	Round	0000000	0000	00000	00000
2"	2"	1 3/4"	1 3/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
2 1/2"	1 1/2"	2 1/4"	1 1/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
2 1/2"	2"	2 1/4"	1 3/4"	Yes	ASTM A36	Round	000000	00000	00000	00000
2 1/2"	2 1/2"	2 1/4"	2 1/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
3"	2"	2 3/4"	1 3/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3"	2 1/2"	2 3/4"	2 1/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3"	3"	2 3/4"	2 3/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
3 1/2"	3 1/2"	3 1/4"	3 1/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
4"	3"	3 3/4"	2 3/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
4"	4"	3 3/4"	3 3/4"	Yes	ASTM A36	Round	00000000	00000	00000	00000
5"	3"	4 3/4"	2 3/4"	Yes	ASTM A36	Round	0000000	00000	00000	00000
5/16" Wall Thick.
3"	2"	2 11/16"	1 11/16"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3 1/2"	3 1/2"	3 3/16"	3 3/16"	Yes	ASTM A36	Round	0000000	00000	00000	00000
4"	4"	3 11/16"	3 11/16"	Yes	ASTM A36	Round	0000000	00000	00000	00000
5"	3 1/2"	4 11/16"	3 3/16"	Yes	ASTM A36	Round	0000000	00000	00000	00000
6"	3 1/2"	5 11/16"	3 3/16"	Yes	ASTM A36	Round	0000000	00000	00000	00000
6"	4"	5 11/16"	3 11/16"	Yes	ASTM A36	Round	0000000	00000	00000	000000
3/8" Wall Thick.
2"	2"	1 5/8"	1 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	00000
2 1/2"	2 1/2"	2 1/8"	2 1/8"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3"	2"	2 5/8"	1 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3"	3"	2 5/8"	2 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	00000
4"	3"	3 5/8"	2 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	00000
4"	4"	3 5/8"	3 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	000000
5"	3"	4 5/8"	2 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	000000
5"	5"	4 5/8"	4 5/8"	Yes	ASTM A36	Round	000000	00000	00000	000000
6"	4"	5 5/8"	3 5/8"	Yes	ASTM A36	Round	0000000	00000	00000	000000
1/2" Wall Thick.
2 1/2"	2 1/2"	2"	2"	Yes	ASTM A36	Round	0000000	00000	00000	00000
3"	3"	2 1/2"	2 1/2"	Yes	ASTM A36	Round	0000000	00000	00000	000000
4"	4"	3 1/2"	3 1/2"	Yes	ASTM A36	Round	0000000	00000	00000	000000
5"	3"	4 1/2"	2 1/2"	Yes	ASTM A36	Round	0000000	00000	00000	000000
5"	5"	4 1/2"	4 1/2"	Yes	ASTM A36	Round	0000000	00000	000000	000000
6"	6"	5 1/2"	5 1/2"	Yes	ASTM A36	Round	0000000	00000	000000	000000
5/8" Wall Thick.
4"	4"	3 3/8"	3 3/8"	Yes	ASTM A36	Round	0000000	00000	000000	000000
6"	6"	5 3/8"	5 3/8"	Yes	ASTM A36	Round	0000000	00000	000000	000000
3/4" Wall Thick.
4"	4"	3 1/4"	3 1/4"	Yes	ASTM A36	Round	0000000	00000	000000	000000
5"	3 1/2"	4 1/4"	2 3/4"	Yes	ASTM A36	Round	0000000	00000	000000	000000
6"	4"	5 1/4"	3 1/4"	Yes	ASTM A36	Round	0000000	00000	000000	000000
7"	4"	6 1/4"	3 1/4"	Yes	ASTM A36	Round	0000000	00000	000000	000000
8"	6"	7 1/4"	5 1/4"	Yes	ASTM A36	Round	0000000	000000	000000	000000
8"	8"	7 1/4"	7 1/4"	Yes	ASTM A36	Round	0000000	000000	000000	000000
1" Wall Thick.
6"	6"	5"	5"	Yes	ASTM A36	Round	0000000	000000	000000	000000
8"	8"	7"	7"	Yes	ASTM A36	Round	0000000	000000	000000	000000
3mm Wall Thick.
30mm	30mm	27mm	27mm	No	EN 10025-2	Round	0000000	00000	00000	000000
4mm Wall Thick.
40mm	40mm	36mm	36mm	No	EN 10025-2	Round	0000000	00000	00000	000000
5mm Wall Thick.
50mm	50mm	45mm	45mm	No	EN 10025-2	Round	0000000	00000	000000	000000
6mm Wall Thick.
40mm	40mm	34mm	34mm	No	EN 10025-2	Round	0000000	00000	000000	000000
70mm	70mm	64mm	64mm	No	EN 10025-2	Round	0000000	00000	000000	000000

Zinc-Galvanized Low-Carbon Steel 90° Angles

Yield Strength: 36,000 psi
Hardness: Rockwell B70 (Medium)
Heat Treatable: No
Specifications Met: ASTM A36

These 90° angles are zinc galvanized for good corrosion resistance. Also known as mild steel, low-carbon steel is easy to machine, form, and weld. It's widely fabricated into parts that don’t require high strength, such as fixture clamps and spacers.

For technical drawings and 3-D models, click on a part number.

Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.

Outside				Inside
Ht.	Ht. Tolerance	Wd.	Wd. Tolerance	Ht.	Wd.		1 ft. Lg.	3 ft. Lg.	6 ft. Lg.
1/8" Wall Thick. (-0.008" to 0.008" Tolerance)
3/4"	-0.032" to 0.032"	3/4"	-0.032" to 0.032"	5/8"	5/8"	0000000	00	000000	000000
1"	-0.032" to 0.032"	1"	-0.032" to 0.032"	7/8"	7/8"	0000000	00	00000	00000
1 1/4"	-0.05" to 0.05"	1 1/4"	-0.05" to 0.05"	1 1/8"	1 1/8"	0000000	00	00000	00000
1 1/2"	-1/8" to 1/8"	1 1/2"	-1/8" to 1/8"	1 3/8"	1 3/8"	0000000	00	00000	00000
2"	-1/8" to 1/8"	2"	-1/8" to 1/8"	1 7/8"	1 7/8"	0000000	000000	00000	00000
3/16" Wall Thick. (-0.008" to 0.008" Tolerance)
2"	-0.05" to 0.05"	2"	-0.05" to 0.05"	1 13/16"	1 13/16"	0000000	00000	00000	00000
1/4" Wall Thick. (-0.008" to 0.008" Tolerance)
1 1/2"	-1/8" to 1/8"	1 1/2"	-1/8" to 1/8"	1 1/4"	1 1/4"	0000000	00000	00000	00000
2"	-1/8" to 1/8"	2"	-1/8" to 1/8"	1 3/4"	1 3/4"	0000000	00000	00000	00000
3"	-1/8" to 1/8"	3"	-1/8" to 1/8"	2 3/4"	2 3/4"	0000000	00000	00000	000000

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

Low-Carbon Steel U-Channels

Low-Carbon Steel 90° Angles

Zinc-Galvanized Low-Carbon Steel 90° Angles