What is the commonly used 304 stainless steel flange standard?

　　304 stainless steel flange is a versatile steel material, which is widely used in the production of equipment and components requiring good comprehensive performance (corrosion resistance and formability). 304 stainless steel is a brand of stainless steel produced according to American ASTM standard. 304 is the most widely used stainless steel and heat resistant steel. ANSI SS304 10 Inch Forged RF Stainless Steel Flange used in food production equipment, chemical equipment, nuclear energy and so on.

　　304 stainless steel flange standard:

　　Specification: 1/2 ~80 (DN10-DN5000)

　　Pressure Grade: 0.25 Mpa~250 Mpa (150 Lb~2500 Lb)

　　304 stainless steel flange common criteria:

　　National Standard: GB9112-88 (GB9113.1-88~GB9123.36-88)

　　American Standard: ANSI B16.5, ANSI 16.47 Class150, 300, 600, 900, 1500 (TH, LJ, SW)

　　Daily Standard: JIS 5K, 10K, 16K, 20K (PL, SO, BL)

　　German Standards: DIN2527, 2543, 2545, 2566, 2572, 2573, 2633, 2634, 2638 (PL, SO, WN, BL, TH)

　　Specification of 304 Stainless Steel Flange

　　Specification: S Cr Ni (Ni) Mo C Si Mn P

　　304 < 0.08 < 1.00 < 2.00 < 0.05 < 0.03 18.00 - 20.00 8.25 ~ 10.50