Triangle Engineering
Our mission is to provide the welding industry with materials, equipment, training and qualification quickly, accurately, and economically.
Triangle Engineering
All products
All
Apparel & Accessories
Pipe Welding Coupons
Plate Weld Test Coupons
Equipment Parts
Procedure Materials JSON
Weld Test Kits & Coupon Combo Boxes
Pipe Coupons - Aluminum
Pipe Coupons - Carbon Steel
Pipe Coupons - Chrome Moly
Pipe Coupons - Stainless Steel
Plate Coupons - Stainless Steel
Plate Coupons - Aluminum
Plate Coupons - Carbon Steel
Plate Coupons - Sheet Metal
3/8″ AWS Weld Test Kits
1″ AWS Weld Test Kits
Pipe & Plate Combo Boxes
Procedure Materials - Carbon – Carbon Moly
Procedure Materials - Chrome Moly
Procedure Materials - Stainless
Procedure Materials - P9B, P10C, P11B
Procedure Materials - Aluminum
Procedure Materials - Copper Alloys
Procedure Materials - Nickel Alloys
Procedure Materials - Titanium / Zirconium
Procedure Plate Coupons
Destructive Test Equipment
Backing Rings
Weld Test Stand & Welding Fixtures
Clearance Coupons
Welding Practice Coupons for Training
Welding Test Coupons
ASME SA240 Weld Procedure Qualification Materials
ASME SA516 Grade 60-70 Plates
ASME SA387 Plates for Weld Procedure Qualification
2 Inch Pipe Coupons
6 Inch Pipe Coupons
Backing Bars
304 Stainless Steel Plate Coupons
A36 Steel Plate Coupons
Overlay Procedure Plates

SA516 GR. 60/70 - 3/8"
USD 130.0

SA240 GR. 304 - 3/8"
USD 185.0

SA516 GR. 60/70 - 1 1/2"
USD 230.0

SA516 GR. 60/70 - 1/2"
USD 150.0

SA387 GR. 11 - 3/8"
USD 140.0

SA387 GR. 22 - 3/8"
USD 145.0

SA387 GR 91 - 1 1/2"
USD 395.0

SA387 GR 22 - 1 1/2"
USD 260.0

SA387 GR 11 - 1 1/2"
USD 250.0

SA240 S31803 - 3/8"
USD 200.0

SA240 GR. 304 - 1/2"
USD 210.0

SA240 GR 304 - 1 1/2"
USD 315.0

SA387 GR. 11 - 1/2"
USD 165.0

Alloy 6061- 3/8"
USD 130.0

SB575 N10276 (C276) - 3/8"
USD 420.0

SB463 N08020 (20cb3) - 3/8"
USD 285.0

SA387 GR. 91 - 3/8"
USD 180.0

SB168 N06600 - 3/8"
USD 365.0

SA204 GR. B - 3/8"
USD 155.0

SA387 GR. 22 - 1/2"
USD 170.0

SB409 N08810/11 - 3/8"
USD 290.0

Alloy 5052 - 3/8"
USD 145.0

SA387 GR 5 - 1 1/2"
USD 375.0

SA240 GR. 410 - 3/8"
USD 210.0