Your #1 Source for the Welding Industry

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

Shop Now

Train & Qualify Welders Quickly & Accurately

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

Learn More

Always In Stock & Ready to Ship Directly to You

Shop Now

Your #1 Trusted Source For The Welding Industry

Testing Services

Providing Welding Equipment Since 1960

Our History

Our Collections

View All
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.

Learn More

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.

Learn More

Pipe Coupons

View All
2" sch. 10 - 304/L2" sch. 10 - 304/L
2" sch. 10 - 304/L
Box of 20pcs to 510pcs
From $360.00
Choose Options
2" sch. 160 - 304/L2" sch. 160 - 304/L
2" sch. 160 - 304/L
Box of 20pcs to 510pcs
From $675.00
Choose Options
2" sch. 160 - A106B2" sch. 160 - A106B
2" sch. 160 - A106B
Box of 20pcs to 510pcs
From $280.00
Choose Options
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
Choose Options
2" sch. 40 - A106B2" sch. 40 - A106B
2" sch. 40 - A106B
Boxes of 20pcs to 510pcs
From $240.00
Choose Options
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
Choose Options
2" sch. 80 - 60612" sch. 80 - 6061
2" sch. 80 - 6061
Box of 20pcs to 100pcs
From $440.00
Choose Options
2" sch. 80 - A106B2" sch. 80 - A106B
2" sch. 80 - A106B
Box of 20pcs to 510pcs
From $240.00
Choose Options
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

View All
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
Choose Options
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
Choose Options
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
Choose Options
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
Choose Options
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
Choose Options
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
Choose Options
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
Choose Options
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
Choose Options
1/4" x 1" A361/4" x 1" A36
1/4" x 1" A36
Box of 10pcs
$32.50
1/4" x 3" A361/4" x 3" A36
1/4" x 3" A36
Box of 10pcs
$52.50
3/8" w/ 22.5 Deg. Bevel & Backing Combo 304 SS3/8" w/ 22.5 Deg. Bevel & Backing Combo 304 SS
3/8" w/ 22.5 Deg. Bevel & Backing Combo 304 SS
1 Set
$168.75

Test Kits & Combo Boxes

View All
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
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 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 with backingAWS Test Kit 1" 3G with backing
AWS Test Kit 1" 3G with backing
1 Test Kit
$200.00
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
AWS Test Kit 1" 1G without backingAWS Test Kit 1" 1G without backing
AWS Test Kit 1" 1G without 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.

Learn more
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
3.00" Diameter Die Post3.00" Diameter Die Post
3.00" 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
2.0625" Diameter Die Post2.0625" Diameter Die Post
2.0625" Diameter Die Post
1 Die Post
$200.00
3/8" Quick Release Cross Pin for WTS-ASSY
3/8" Quick Release Cross Pin for WTS-ASSY
1 Pin
$10.00