Specification and model of stainless steel tee

　　The regulations of stainless steel tee can be divided into national standard, electric standard, water standard, American standard（ASME B16.9 Buttwelding Stainless Steel Tee）, German standard, Japanese standard, Russian standard, etc. Specifically as follows: GB/T 12459, GB/T 13401, ASME B16.9, SH3408, SH3409, HG/T 21635, DL/T 695, SY/T 0510, DIN 2615. Stainless steel tees are mainly used in the manufacture of stainless steel tees with standard wall thickness less than DN400.

　　1. The representation of stainless steel tee with different diameters is as follows: large caliber size * small caliber, pressure grade or wall thickness. For example: 3 "*2" 300LB or Sch40s. But common tees are marked with wall thickness Sch40s.

　　2. Stainless steel equal-diameter tees, such as "T3" tees, indicate that the outer diameter is 3 inches equal-diameter tees. For example, "T4 *4 *3.5" means a three-way with four-inch diameter and 3.5-inch diameter.