US Customer Inquiried 4140 PH Ground Flat, But I Refused Him
One US customer Jackson inquired the 4140 PH Ground Flat, we are good at it, but I refused him.
Material 4140 Alloy Steel: Guide To Buy the Right Material
Material 4140 alloy steel is a chromium-molybdenum medium carbon alloy steel. Otai is your better choice for 4140 alloy steel materials, either 4140 round bar or steel plate, with good price and prime top quality.
