Pls. see below chemical composition and let me know which composition
is perfect for made Grade 8.8 material.
Mat. Carbon Molybdenum Chromium Manganese Phosphorous Sulfur Silicon
SAE4140 0.37-0.49 0.15-0.25 0.75-1.20 0.65-1.10 0.035max 0.040 0.15-0.35
En-19 0.35-0.45 0.20-0.40 0.90-1.50 0.50-0.80 0.035max 0.040 0.10-0.35
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