Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
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Forged ASME B16.5 WN SO BL THREADED Duplex S31803 S32205 ASTM A182 F51 flange factory
1. Duplex S31803 S32205 ASTM A182 F51 flanges
2. Flanges we have
| Standard | Type | Class | Size |
| ASME B16.5 | WN/LWN/SO/Blind/Lap Joint | 150#-2500# | 1/2"-24"(Except Blind Flange 2500lb 1/2"-12") |
| SW flange | 150#-1500# | 1/2"-3"(Except 1500# 1/2"-2 1/2") | |
| Threaded | 150#-900# | 1/2"-24" | |
| 1500# 2500# | 1/2"-2 1/2" | ||
| ASME B16.47 Series A | WN/blind flange | 150# -900# | 22"-48"(Except 900# Size:26"-48") |
| ASME B16.47 Series B | WN/blind flange | 75#-300# | 26"-48" |
| 400# 600# 900# | 26"-36" | ||
| Other Products | Anchor/swivel/girth/lap joint/reducing/orifice | ||
| Spectacle blind/paddle blind/spacer ring/orifice plate/bleed ring | |||
| Special Products: rings/forgings/disc/shaft sleeves | |||
| Sealing Surface | RF FF RTJ TF GF LF LM | ||
| Flange Face Finish | Stock finish/spiral serrated/concentric serrated/smooth finish(Ra 3.2 and 6.3 micrometers) | ||
| 125-250 AARH(it is called smooth finish) | |||
| 250-500 AARH(it is called stock finish) | |||
| Coating | Vanish, yellow paint, anti-rust oil, galvanizing etc | ||
| Material Grade | Nickel Alloy Steel | ASTM/ASME B/SB564 UNS N02200(NICKEL 200), UNS N04400(MONEL 400), | |
| UNS N08825( INCOLOY 825), UNS N06600(INCONEL 600), | |||
| UNS N06601(INCONEL 601), UNS N06625(INCONEL 625), UNS N10276(HASTELLOY C276), | |||
| ASTM/ASME B/SB160 UNS N02201(NICKEL 201), ASTM B/SB472 UNS N08020(Alloy 20) | |||
| Copper Alloy | ASTM/ASME B/SB151 UNS C70600(CuNi 90/10), C71500(CuNi 70/30) | ||
| Stainless Steel | ASTM/ASME A/SA182 F304,304L,304H,309H,310H,316,316H,316L,316LN, | ||
| 317,317L,321,321H,347,347H | |||
| Duplex and Super Duplex Steel | ASTM/ASME A/SA182 F44,F45,F51,F53,F55,F60,F61 | ||
| Carbon steel | ASTM /ASME A/SA105(N) | ||
| Low Temp Carbon Steel | ASTM/ASME A/SA350 LF2 | ||
| High Yield Carbon Steel | ASTM/ASME A/SA694 F52, F56 F60, F65, F70 | ||
| Alloy Steel | ASTM/ASME A/SA182 GR F5,F9, F11,F12,F22,F91 | ||
| Titanium | ASTM/ASME B/SB381 Grade 2, Grade 5, Grade 7 | ||
Duplex Steel S31803 / S32205 Pipe Flanges Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
Duplex Steel S31803 / S32205 Plate Flanges Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Equivalent Grades for S31803 / S32205 Duplex Steel Industrial Pipe Flanges
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex 2205 | 1.4462 | S31803 / S32205 |
4. Duplex S31803 / S32205 Flanges Application Industries
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