CSA SMAW 1GF Flat Test Overview

Описание: In this episode of Efficient & Proficient, Kevin Roy breaks down the CSA W47.1 SMAW 1GF (Flat) qualification test—what the test is, how the coupon is set up, and the key technique details that can make or break your result.

You’ll learn:
• What 1GF means (SMAW flat position) and why it’s your qualifying test before moving on
• The coupon setup: 3/8” plate with a backing bar, 1/2” gap, one square side + one bevel side
• How the test handles two marked stops/starts on the root pass (and why your CSR must check them)
• Target bead profile: flush to above flush—but do not exceed 3 mm
• Root pass travel direction rules (choose a direction and stay consistent)
• Technique essentials: 45° rod angle to the square side + 10° forward lean
• Why Kevin recommends running the higher end of the amperage range (flat position)
• Consumable note: using a 1/8” 7018 electrode
• What to do when things go wrong on test day (example: arc blow, spatter, and how not to panic)
• Visual examples of failure causes: lack of fusion, slag inclusions, and porosity
• Inspection guidance: any indication bigger than 1/8” (3 mm) is a fail, or multiple indications totalling that amount

Timestamps:
00:18 What “1GF” means + why it’s the qualifying test
00:28 Coupon setup: plate thickness, backing bar, gap, square vs bevel side
00:36 Stops/starts on root pass + CSR marking/checks
00:44 Root pass sequence: square side first, then bevel side
01:06 Fill requirements: flush/above flush + max 3 mm
01:20 Where to find more info (S-class handbook)
01:30 Root pass direction rule (pick one direction and stick with it)
01:39 Rod angle + body position (45° + ~10° forward)
01:51 Amperage guidance (run higher end in flat) + 1/8” 7018
02:12 Technique reminders: small hot passes + avoid tying too close
02:21 Rules: no grinding (wire wheel only) + prep matters
03:03 Test-day tip: restart technique (crater trace) + CSR check
03:56 When things go wrong: arc blow example + don’t panic
04:23 Why small hot passes help prevent lack of fusion
05:10 Capping tips: maintain edges, avoid a wide cap
05:23 Fixing low spots + keep within 3 mm cap height
05:57 CSR inspection + flush both sides before bending
06:22 What failures look like: lack of fusion/slag/porosity
06:40 Pass/fail criteria: 1/8” (3 mm) indications

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