Stainless Steel Flange Nut
Stainless steel flange nuts are usually used with flanges. Flanges are disc-shaped devices that connect pipes or equipment, and two flanges are tightly connected together by bolts.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of stainless steel flange nut in China. With abundant experience, we warmly welcome you to wholesale customized stainless steel flange nut from our factory. For price consultation, contact us.
The stainless steel flange nuts supplied by GNEE use ≥3mm thickened flanges, with a contact area that is more than 40% higher than that of ordinary nuts. The spherical design achieves 360° uniform stress distribution. The optional anti-slip tooth structure enhances the dynamic anti-loosening ability through tooth pattern bite, which complies with the ISO 4161 anti-loosening standard.
60° standard tooth angle thread system.
304 stainless steel flange nuts (06Cr19Ni10): conventional corrosion resistance, salt spray test ≥48 hours
316 stainless steel flange nuts (022Cr17Ni12Mo2): molybdenum element reinforcement, chloride ion corrosion resistance, salt spray test ≥192 hours
Special models can be made of 316L (ultra-low carbon) or 317L (high molybdenum).
304 stainless steel flange nuts
Standard Specification of 304 Flange Nuts
| Flange Nuts Size | M4 to M16 |
|---|---|
| Length of Serrated Flange Nuts | 6mm-500mm |
| SS Flange Nuts Thread Direction | Right Hand |
| Dia./Thread Size | 5/8"-11 |
| Width Across Flats | 1-1/16" |
| Standard | DIN934 DIN936 DIN439 DIN555 A194 2H ASTM A563 JIS B1190, DIN 6923 |
| Grade | 4, 8, 10, AISI 2, AISI 5, AISI 8 |
| Material | 18-8 Stainless Steel, Stainless steel 201, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80 |
Surface treatment of stainless steel flange nuts
Passivation treatment: Improve corrosion resistance (ASTM A967 standard)
Dacromet coating: Salt spray test ≥1000 hours (suitable for coastal areas)
PTFE coating: Reduce friction coefficient to below 0.1 (special lubricant required)
Stainless Steel Flange Nuts
| Diameter D | Thread Pitch P | dc max | m | s | ||
| max | min | max | min | |||
| M5 | 0.8 | 11.8 | 5 | 4.7 | 8 | 7.78 |
| M6 | 1 | 14.2 | 6 | 5.7 | 10 | 9.78 |
| M8 | 1/1.25 | 17.9 | 8 | 7.6 | 13 | 12.73 |
| M10 | 1/1.25/1.5 | 21.8 | 10 | 9.6 | 15 | 14.73 |
| M12 | 1.25/1.5/1.75 | 26 | 12 | 11.6 | 18 | 17.73 |
| M14 | 1.5/2 | 29.9 | 14 | 13.3 | 21 | 20.67 |
| M16 | 1.5/2 | 34.5 | 16 | 15.3 | 24 | 23.67 |
| M20 | 1.5/2.5 | 42.8 | 20 | 18.9 | 30 | 29.67 |
Why Choose GNEE
GNEE testing and certification system
Chemical composition analysis: in accordance with EN 10088-2 standard
Mechanical property test: ISO 898-2 guaranteed load test
Salt spray test: ASTM B117-19 standard (optional 1000 hours)
Surface treatment: in accordance with GB/T 15519-2018 Dacromet coating requirements.
Stainless Steel Flange Nut Supplier - GNEE Factory Environment
Packaging of stainless steel flange nuts
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