Product description

Brand Name: CHE507R (Pressure Rated)

GB/T5117 E5015

ASME SFA-5.1 E7015

NB/T 47018.2 E5015

Available Diameter (mm): 2.5 / 3.2 / 4.0 / 5.0

CHE507R is a basic-coated non-alloy electrode specifically certified for pressure equipment. Deposited metal exhibits superior ductility, toughness, and crack resistance with excellent process performance: minimal spatter, aesthetic bead, and easy slag removal. Supports all-position welding.

Application: Welding carbon/low-alloy steels in pressure-retaining components.

Mechanical Performance of Deposit Metal

Tensile Strength MPa (N/mm²): 520

Yield Strength (MPa): 415

Elongation A (%): 30

Impact Energy (J): -30℃＝140

Chemical Composition (%)

Welding Parameters

Current Polarity: DC+ / AC

Precautions:

• Baking: 350–380°C × 1–2 hours; immediate consumption after baking.

• Pre-cleaning: Remove rust, oil, and moisture from base metal.

• Technique: Short arc with narrow bead weaving.

Storage Requirements:

• Ambient conditions: Temperature ≥5°C; relative humidity ≤60%

• Handling:
  ✓ Store ≥300mm above floor & away from walls
  ✓ Maintain dry, contaminant-free environment
  ✓ Segregate by classification with clear labeling
  ✓ Exclude corrosive contaminants

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