Datang Premium F316/316L Stainless Steel Welding Neck Flange for Industrial Applications. Wide Material Selection: Available in Carbon Steel, Stainless Steel (304/316), and Alloy Steel grades. Multiple Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, and BSW international standards. Comprehensive Size Range: Sizes from 1/2" to 48" with ratings up to CL2500 and 40BAR. Diverse Face Types: Options include Flat Face, Raised Face, Ring Joint, and Tongue & Groove. Full Customization Support: Offers customization from samples, designs, and flexible minor adjustments. Strict Quality Inspection: 100% visual and functional inspection with SGS and BV certification options. OEM and ODM Services: Full OEM and ODM services available for tailored manufacturing needs. Fast Lead Time: Peak and off-peak season lead times both within 15 working days.