Threaded Flanges
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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- Tel: +8615824687445
Threaded flanges are threaded in the bore by pairing an external thread on the tube. These flanges are similar to other flanges used with pipes that have external threads. THREADED flanges can be effectively used where a smaller diameter and high pressure is required. These flange types are well-suited for smaller pipe sizes. Owing to the exceptional features, these flanges are used in manufacturing various economical and time-saving equipment. Our high-grade Threaded pipe flanges are furnished with a raised face. When a raised look is crucial for threaded flanges, the usual height is increased.
Threaded Flanges Specifications:
| Size | ½" (15 NB) to 48" (1200NB) |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc. |
| Standards | ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 |
| DIN | DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638, DIN2673 |
| B.S | BS4504 , BS4504, BS1560, BS10 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Coating/Surface Treatment | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |

Grade specifications of Threaded Flanges
| Stainless Steel Threaded Face Flanges | |
| Standard | ASTM A182 , A240 |
| Grades | F 304, 304L, 304H, 316, 316Ti, 316H, 316L, 316LN, 309S, 309H, 310S, 310H,317, 317L, 321, 321H, 347, 347H, 201, 202, 904L |
| Carbon Steel Threaded Face Flanges | |
| Standard | ASTM A105 |
| Grades | Gr. F42,46,52,56,60,65,70 |
| Alloy Steel Threaded Face Flanges | |
| Standard | ASTM A182 |
| Grades | F1,F5,F9,F11,F22,F91 |
| Nickel Alloy Steel Threaded Face Flanges | |
| Standard | ASTM SB564, SB160, SB472, SB162 |
| Grades | Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), |
| Copper Alloy Threaded Face Flanges | |
| Standard | ASTM SB 61 , SB62 , SB151 , SB152 |
| Grades | UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200, |
| Duplex Steel Slip-On Face Flanges | |
| Standard | ASTM A182, A240 |
| Grades | UNS F 44, F 45, F51, F 53, F 55, F 60, F 61 |
Packaging&Shipping

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