The integral fitting rough is forged of high-quality alloy steel. After heat treatment, it features compact structure, uniform wall thickness The integral fitting rough is forged of high-quality alloy steel. After heat treatment, it features compact structure, uniform wall thickness, long service life, beautiful appearance, strong interchangeability of joints and convenient connection. It is thickened on in elbow and joints where liquid changes direction and inner wall erosion is more serious, extending its safety service life.