Forged Weld Neck Flange ASTM 304 316 410 Stainless Steel Q195 Q235 A36 Carbon Steel 0.25-42.0Mpa Pressure Rating
Professional forged weld neck flanges manufactured from premium materials including ASTM 304, 316, 410 stainless steel and Q195, Q235, A36 carbon steel. These industrial-grade flanges are designed for high-pressure piping systems requiring reliable sealing and structural integrity.
ASTM 304, 316, 410 - offering excellent corrosion resistance and durability for various industrial applications.
Q195, Q235, A36 - providing superior strength and cost-effectiveness for standard piping systems.
| Classification Type | Available Options |
|---|---|
| Material Types | Carbon Steel, Cast Steel, Alloy Steel, Stainless Steel, Copper, Aluminum Alloy |
| Production Methods | Forged Flanges, Cast Flanges, Welded Flanges |
| Manufacturing Standards | GB (National Standards), ASTM (American), DIN (German), JB (Japanese) |
Flange nominal pressure range: 0.25Mpa to 42.0Mpa
- Series 1: PN1.0, PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42
- Series 2: PN0.25, PN0.6, PN2.5, PN4.0
| Flange Type | Code | Application & Features |
|---|---|---|
| Butt Welding Flange | WN | High strength, withstands temperature fluctuations, reliable sealing for 0.25-2.5Mpa systems |
| Flat Welded Flange | PL/SO | Cost-effective solution for mild conditions, smooth/concave/convex sealing surfaces |
| Socket Welding Flange | SW | Ideal for PN≤10.0Mpa, DN≤40 applications |
| Loose Flange | PJ/SE | Corrosive environments, combines high-grade material with carbon steel ring |
| Integral Flange | IF | Integrated with equipment/valves for seamless connections |
- Flat (FF)
- Raised Surface (RF)
- Concave Surface (FM)
- Convex Surface (MF)
- Tongue and Groove (TG)
- Ring Connection (RJ)
- Strict production and inspection according to international standards
- Competitive pricing with real market-based discounts
- Secure transaction processing with financial protection
- Comprehensive after-sales support and service
- Long-term partnership focus with consistent quality and pricing
Shandong Zhengde Metal Manufacturing Co., Ltd. operates multiple production bases with over 100 production lines, 4 certified laboratories, and exports to 50+ countries worldwide.
ISO 9001 certified with MTC and third-party inspection capabilities including SGS and BV.
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