Your #1 Source for the Welding Industry

We manufacture weld test materials, commonly called weld coupons, used for performance and procedure qualification testing.

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Train & Qualify Welders Quickly & Accurately

Our line of destructive test equipment expedites the removal and bending of weld test specimens to exact code requirements.

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INNOVATION & EXPERTISE

SINCE 1960

We’re proud to be the most trusted source for welding coupons, destructive test equipment, and weld certification services.

Always In Stock & Ready to Ship Directly to You

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Your #1 Trusted Source For The Welding Industry

Testing Services

Providing Welding Equipment Since 1960

Our History

Our Collections

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Pipe Weld Test Coupons
Plate Weld Test Coupons
Procedure Plate Coupons
Weld Test Kits & Coupon Combo Boxes
Equipment Parts

Train and Qualify Welders Quickly and Accurately

Our line of destructive test equipment expedites the removal and bending of weld test specimens to exact code requirements.

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Weld Testing & Qualification Services

In our AWS QC4 Accredited Test Facility we offer complete weld testing services as well as engineering, consulting, and procedural review.

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Pipe Coupons

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2" sch. 10 - 304/L2" sch. 10 - 304/L
2" sch. 10 - 304/L
Box of 20pcs to 510pcs
From $360.00
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2" sch. 160 - 304/L2" sch. 160 - 304/L
2" sch. 160 - 304/L
Box of 20pcs to 510pcs
From $675.00
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2" sch. 160 - A106B2" sch. 160 - A106B
2" sch. 160 - A106B
Box of 20pcs to 510pcs
From $280.00
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2" sch. 160 Backing Ring2" sch. 160 Backing Ring
2" sch. 160 Backing Ring
Box of 10pcs
$81.00
2" sch. 40 - 304/L2" sch. 40 - 304/L
2" sch. 40 - 304/L
Box of 20pcs to 510pcs
From $390.00
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2" sch. 40 - A106B2" sch. 40 - A106B
2" sch. 40 - A106B
Boxes of 20pcs to 510pcs
From $240.00
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2" sch. 40 Backing Ring2" sch. 40 Backing Ring
2" sch. 40 Backing Ring
Box of 10pcs
$81.00
2" sch. 80 - 304/L2" sch. 80 - 304/L
2" sch. 80 - 304/L
Box of 20pcs to 510pcs
From $450.00
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2" sch. 80 - 60612" sch. 80 - 6061
2" sch. 80 - 6061
Box of 20pcs to 100pcs
From $440.00
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2" sch. 80 - A106B2" sch. 80 - A106B
2" sch. 80 - A106B
Box of 20pcs to 510pcs
From $240.00
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2" sch. 80 - SA335 P112" sch. 80 - SA335 P11
2" sch. 80 - SA335 P11
Box of 10pcs
$350.00
2" sch. 80 - SA335 P222" sch. 80 - SA335 P22
2" sch. 80 - SA335 P22
Box of 10pcs
$360.00

Plate Coupons

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3/8" w/ 22.5 Deg. Bevel & Backing Combo A363/8" w/ 22.5 Deg. Bevel & Backing Combo A36
3/8" w/ 22.5 Deg. Bevel & Backing Combo A36
Box of 7 kits to 250 kits
From $162.75
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1" w/ 22.5 Deg. Bevel & Backing Combo A361" w/ 22.5 Deg. Bevel & Backing Combo A36
1" w/ 22.5 Deg. Bevel & Backing Combo A36
Box of 4 kits to 150 kits
From $109.00
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3/8" w/ 37.5 Deg. Bevel & Backing Combo A363/8" w/ 37.5 Deg. Bevel & Backing Combo A36
3/8" w/ 37.5 Deg. Bevel & Backing Combo A36
Box of 7 kits to 250 kits
From $162.75
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3/8" with 22.5 deg. bevel A363/8" with 22.5 deg. bevel A36
3/8" with 22.5 deg. bevel A36
Box of 20pcs to 500pcs
From $200.00
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3/8" with 37.5 deg. bevel A363/8" with 37.5 deg. bevel A36
3/8" with 37.5 deg. bevel A36
Box of 20pcs to 500pcs
From $200.00
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1" with 22.5 deg. bevel A361" with 22.5 deg. bevel A36
1" with 22.5 deg. bevel A36
Box of 8pcs to 300pcs
From $96.00
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1/2" w/ 22.5 Deg. Bevel & Backing Combo A361/2" w/ 22.5 Deg. Bevel & Backing Combo A36
1/2" w/ 22.5 Deg. Bevel & Backing Combo A36
Box of 6 kits to 250 kits
From $151.50
Choose Options
1/2" w/ 37.5 Deg. Bevel & Backing Combo A361/2" w/ 37.5 Deg. Bevel & Backing Combo A36
1/2" w/ 37.5 Deg. Bevel & Backing Combo A36
Box of 6 kits to 250 kits
From $151.50
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1/4" x 1" A361/4" x 1" A36
1/4" x 1" A36
Box of 10pcs
$32.50
1/2" with 37.5 deg. bevel A361/2" with 37.5 deg. bevel A36
1/2" with 37.5 deg. bevel A36
Box of 16pcs to 500 pcs
From $176.00
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1/4" x 3" A361/4" x 3" A36
1/4" x 3" A36
Box of 10pcs
$52.50
3/8" with 30 deg. bevel 60613/8" with 37.5 deg. bevel 6061 (Qty. 20)
3/8" with 30 deg. bevel 6061
Box of 20pcs
$310.00

Test Kits & Combo Boxes

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AWS Test Kit 3/8" 3G & 4G with backingAWS Test Kit 3/8" 3G & 4G with backing
AWS Test Kit 3/8" 3G & 4G with backing
1 Test Kit
$190.00
AWS Test Kit 1" 3G & 4G with backingAWS Test Kit 1" 3G & 4G with backing
AWS Test Kit 1" 3G & 4G with backing
1 Test Kit
$230.00
AWS Test Kit 3/8" 1G with backingAWS Test Kit 3/8" 1G with backing
AWS Test Kit 3/8" 1G with backing
1 Test Kit
$170.00
AWS Test Kit 3/8" 3G & 4G without backingAWS Test Kit 3/8" 3G & 4G without backing
AWS Test Kit 3/8" 3G & 4G without backing
1 Test Kit
$190.00
AWS Test Kit 1" 1G with backingAWS Test Kit 1" 1G with backing
AWS Test Kit 1" 1G with backing
1 Test Kit
$200.00
AWS Test Kit 3/8" 3G with backingAWS Test Kit 3/8" 3G with backing
AWS Test Kit 3/8" 3G with backing
1 Test Kit
$170.00
6GR Weld Test Kit6GR Weld Test Kit
6GR Weld Test Kit
1 Test Kit
$183.00
AWS Test Kit 3/8" 1G without backingAWS Test Kit 3/8" 1G without backing
AWS Test Kit 3/8" 1G without backing
1 Test Kit
$170.00
AWS Test Kit 1" 3G with backingAWS Test Kit 1" 3G with backing
AWS Test Kit 1" 3G with backing
1 Test Kit
$200.00
AWS Test Kit 3/8" 2G without backingAWS Test Kit 3/8" 2G without backing
AWS Test Kit 3/8" 2G without backing
1 Test Kit
$170.00
AWS Test Kit 1" 3G & 4G without backingAWS Test Kit 1" 3G & 4G without backing
AWS Test Kit 1" 3G & 4G without backing
1 Test Kit
$230.00
AWS Test Kit 1" 2G with backingAWS Test Kit 1" 2G with backing
AWS Test Kit 1" 2G with backing
1 Test Kit
$200.00

Equipment Parts

Already using Triangle Engineering weld testing equipment? Shop related parts and accessories to keep your operation running smoothly.

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Abrasive Wheels, TC60-04Abrasive Wheels, TC60-04
Abrasive Wheels, TC60-04
Box of 10
$430.00
2.00" Diameter Die Post2.00" Diameter Die Post
2.00" Diameter Die Post
1 Die Post
$200.00
.750" Diameter Die Post.750" Diameter Die Post
.750" Diameter Die Post
1 Die Post
$200.00
.125" - 4" Diameter Die Post
.125" - 4" Diameter Die Post
1 Die Post
From $200.00
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3.00" Diameter Die Post3.00" Diameter Die Post
3.00" Diameter Die Post
1 Die Post
$200.00
2.0625" Diameter Die Post2.0625" Diameter Die Post
2.0625" Diameter Die Post
1 Die Post
$200.00
1.50" Diameter Die Post1.50" Diameter Die Post
1.50" Diameter Die Post
1 Die Post
$200.00
API 3.50" Diameter Die Post KitAPI 3.50" Diameter Die Post Kit
API 3.50" Diameter Die Post Kit
1 Die Post
$600.00