Home » Stainless Steel 904L Lap Joint Flange
UNS N08904, 1.4539, AISI 904L, ASTM B649 F904L Lap Joint Flange
UNS N08904, 1.4539, AISI 904L, ASTM B649 F904L Lapped Joint Flanges.
UNS N08904, 1.4539, AISI 904L, ASTM B649 F904L Lap Joint Flange
UNS N08904, 1.4539, SUS 904L, ASTM B649 F904L LJ Flange
Hex forge INC is a global manufacturer and trader of high-quality products of Stainless Steel 904L Lap Joint Flange. We make our items while keeping current market trends and expectations in mind. To fulfill the needs of our customers, we provide all of our things in various forms and sizes. Flanges with specific dimensions are also available. The chemical composition provides good oxidation resistance.
Our SS 904L Lap Joint Flanges are made of low-carbon austenitic stainless steel. These 904L SS Lap Joint Flanges have copper added to strengthen their resistance to powerful reducing acids. Stress corrosion cracking and crevice corrosion are also resistant to Alloy 904L. Our 904L Lap Joint Flange is non-magnetic and features outstanding weldability, formability, and toughness. 904L Stainless Steel Lap Joint Flange is a low-carbon, non-stabilized austenitic stainless steel. Copper has been added to these SS 904L Lap Joint Flanges to strengthen their resistance to stress corrosion and general corrosion. Stainless Steel 904L Lap Joint Flanges are widely used in various industries, including oil refineries, paper, pulp production, food processing, and maritime applications. These Flanges are also resistant to oxidation and heat. The 904L Stainless Steel Lap Joint Flange is made of nickel-chromium austenitic stainless steel with a minimum of 23 percent nickel and 19 percent chromium and carbon, manganese, silicon, phosphorus, sulfur, copper, and 4% molybdenum.
Several testing procedures are carried out to ensure the product’s quality. Flattening, macro, and micro testing, hydrostatic, radiography, corrosion resistance, chemical, and mechanical tests are examples of such tests. We provide adequate paperwork such as radiography test reports, raw material test reports, packaging lists, fumigation certifications, and more to earn the trust of our clients.
Specification : ASTM B649 / ASME SB649
Standard : ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS SP44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Size : 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Connect Type/ Flange Face Type : Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Small Male-Female (SMF)
JIS : JIS B2220, JIS B2221, 5K, 10K, 16K, 20K, 30K, 40K, 63K
DIN : DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673
BS : BS 4504, BS 4504, BS 1560, BS 10
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
WE MANUFACTURE ASTM B649 STAINLESS STEEL 904L LAP JOINT FLANGE AS PER INTERNATIONAL STANDARDS & SPECIFICATIONS. 904L LAP JOINT FLANGES MANUFACTURERS IN INDIA, CUSTOM SIZES SS 904L LAP JOINT FLANGE CAN BE PRODUCED AS PER CLIENT DRAWING.
ASME B16.5 Lap Joint Flange Pressure Ratings | |||||||
---|---|---|---|---|---|---|---|
Temperature (°C) | Class | ||||||
Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | Class 1500 | Class 2500 | |
-29 – 38 | 19.8 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
50 | 19.5 | 51.7 | 68.9 | 103.4 | 155 | 259 | 431 |
100 | 17.7 | 51.5 | 68.7 | 103.0 | 155 | 258 | 429 |
150 | 15.8 | 50.2 | 66.8 | 100.3 | 151 | 251 | 418 |
200 | 13.8 | 48.6 | 64.8 | 97.2 | 146 | 243 | 405 |
250 | 12.1 | 46.3 | 61.7 | 92.7 | 139 | 232 | 386 |
300 | 10.2 | 42.9 | 57.0 | 85.7 | 129 | 214 | 357 |
325 | 9.3 | 41.4 | 55.0 | 82.6 | 124 | 207 | 344 |
350 | 8.4 | 40.0 | 53.4 | 80.0 | 120 | 200 | 334 |
375 | 7.4 | 37.8 | 50.4 | 75.7 | 114 | 189 | 315 |
400 | 6.5 | 34.7 | 46.3 | 69.4 | 104 | 174 | 290 |
425 | 5.5 | 28.8 | 38.4 | 57.5 | 86.3 | 144 | 240 |
450 | 4.6 | 23.0 | 30.7 | 46.0 | 69.0 | 115 | 192 |
475 | 3.7 | 17.1 | 22.8 | 34.2 | 51.3 | 85.4 | 142 |
500 | 2.8 | 11.6 | 15.4 | 23.2 | 34.7 | 57.9 | 96.5 |
538 | 1.4 | 5.9 | 7.9 | 11.8 | 17.7 | 29.5 | 49.2 |
DN In inches | Dimension | ASME B16.5 Dimensional Sizes 1/2 inches to 2 1/2 inches | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
125 LBS 150 LBS | 300 LBS | 400 LBS | 600 LBS | 900 LBS | 1500 LBS | 2500 LBS | ||||||||||
inches | millimeter | inches | millimeter | inches | millimeter | inches | millimeter | inches | millimeter | inches | millimeter | inches | millimeter | |||
1/2 | A | 3 1/2 | 88.9 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 3 3/4 | 95.2 | 4 3/4 | 121 | 4 3/4 | 121 | 5 1/4 | 133.4 | |
b | 7/16 | 11.1 | 9/16 | 14.3 | 9/16 | 14.3 | 9/16 | 14.3 | 7/8 | 22.2 | 7/8 | 22.2 | 1 3/16 | 30.2 | ||
D2 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | 1 3/8 | 34.9 | ||
D1 | 2 3/8 | 60.3 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 2 5/8 | 66.7 | 3 1/4 | 82.6 | 3 1/4 | 82.6 | 3 1/2 | 88.9 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | – | 4 | 44 | ||
d | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
3/4 | A | 3 7/8 | 98.4 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 4 5/8 | 117.5 | 5 1/8 | 130 | 5 1/8 | 130 | 5 1/2 | 139.7 | |
b | 1/2 | 12.7 | 5/8 | 15.9 | 5/8 | 15.9 | 5/8 | 15.9 | 1 | 25.4 | 1 | 25.4 | 1 1/4 | 31.8 | ||
D2 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | 1 11/16 | 42.9 | ||
D1 | 2 3/4 | 69.8 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/4 | 82.5 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 3/4 | 95.2 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | – | 4 | 44 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | ||
1 | A | 4 1/4 | 108 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 4 7/8 | 123.8 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 6 1/4 | 159 | |
b | 9/16 | 14.3 | 11/16 | 17.5 | 11/16 | 17.5 | 11/16 | 17.5 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 3/8 | 34.9 | ||
D2 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | 2 | 50.8 | ||
D1 | 3 1/8 | 79.4 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 3 1/2 | 88.9 | 4 | 102 | 4 | 102 | 4 1/4 | 108 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 | 25.4 | ||
1 1/4 | A | 4 5/8 | 117.5 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 5 1/4 | 133.4 | 6 1/4 | 159 | 6 1/4 | 159 | 7 1/4 | 184.2 | |
b | 5/8 | 15.9 | 3/4 | 19 | 13/16 | 20.6 | 13/16 | 20.6 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/2 | 38.1 | ||
D2 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | 2 1/2 | 63.5 | ||
D1 | 3 1/2 | 88.9 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 3 7/8 | 98.4 | 4 3/8 | 111 | 4 3/8 | 111 | 5 1/8 | 130 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | 15.9 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
1 1/2 | A | 5 | 127 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 6 1/8 | 155.6 | 7 | 177.8 | 7 | 177.8 | 8 | 203 | |
b | 11/16 | 17.5 | 13/16 | 20.6 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/4 | 31.8 | 1 1/4 | 31.8 | 1 3/4 | 44.5 | ||
D2 | 2 7/8 | 73 98 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | 2 7/8 | 73 | ||
D1 | 3 7/8 | 4 | 4 1/2 | 114 | 4 1/2 | 114 | 4 1/2 | 114 | 4 7/8 | 124 | 4 7/8 | 124 | 5 3/4 | 146 | ||
n | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | ||
d | 5/8 | . 15.9 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 | ||
2 | A | 6 | 152.4 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 8 1/2 | 215.9 | 8 1/2 | 215.9 | 9 1/4 | 234.9 | |
b | 3/4 | 19 | 7/8 | 22.2 | 1 | 25.4 | 1 | 25.4 | 1 1/2 | 38.1 | 1 1/2 | 38.1 | 2 | 50.8 | ||
D2 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | 3 5/8 | 92.1 | ||
D1 | 4 3/4 | 121 | 5 | 127 | 5 | 127 | 5 | 127 | 6 1/2 | 165.1 | 6 1/2 | 165.1 | 6 3/4 | 171 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 3/4 | 19 | 1 | 25.4 | 1 | 25.4 | 1 1/8 | 28.6 | ||
2 1/2 | A | 7 | 177.8 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 9 5/8 | 244 | 9 5/8 | 244 | 10 1/2 | 266.7 | |
b | 7/8 | 22.2 | 1 | 25.4 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 5/8 | 41.3 | 1 5/8 | 41.3 | 2 1/4 | 57.2 | ||
D2 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 104.8 | 4 1/8 | 105 | 4 1/8 | 105 | 4 1/8 | 105 | ||
D1 | 5 1/2 | 139.7 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 5 7/8 | 149.2 | 7 1/2 | 190.5 | 7 1/2 | 190.5 | 7 3/4 | 197 | ||
n | 4 | 4 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | ||
d | 3/4 | 19 | 7/8 | 22.2 | 7/8 | 22.2 | 7/8 | 22.2 | 1 1/8 | 28.6 | 1 1/8 | 28.6 | 1 1/4 | 31.8 |
Nom. Pipe Size |
Outside Diam. |
Thkn. (min.) |
O.D. of Raised Face |
Hub Diam. |
Length Thru Hub | Bore | Approx. Weights (lbs) | Drilling | |||||||||
Wldg. Neck |
Slip-on Sock. W Hub Bld |
Lap Joint | Slip-on Sock W. |
Lap Joint | Depth of Socket |
Wldg. Neck |
Slip-on Thrd Sock W. |
Lap Joint | Blind | No. Holes | Diam. Holes | Bolt Circle Diam. |
|||||
O | C | R | X | Y1 | Y2 | Y3 | B2 | B3 | D | ||||||||
2 | 6 | 0.69 | 3.62 | 3.06 | 2.50 | 1 | 1 | 2.44 | 2.46 | 0.69 | 6 | 5 | 5 | 5 | 4 | 0.75 | 4.75 |
3 | 7.50 | 0.88 | 5 | 4.25 | 2.75 | 1.19 | 1.19 | 3.57 | 3.60 | 0.81 | 10 | 8 | 8 | 9 | 4 | 0.75 | 6 |
4 | 9 | 0.88 | 6.19 | 5.31 | 3 | 1.31 | 1.31 | 4.57 | 4.60 | 0.94 | 15 | 13 | 13 | 17 | 8 | 0.75 | 7.50 |
5 | 10 | 0.88 | 7.31 | 6.44 | 3.50 | 1.44 | 1.44 | 5.66 | 5.69 | 0.94 | 19 | 15 | 15 | 20 | 8 | 0.88 | 8.50 |
6 | 11 | 1 | 8.50 | 7.56 | 3.50 | 1.56 | 1.56 | 6.72 | 6.75 | 1.06 | 24 | 19 | 19 | 26 | 8 | 0.88 | 9.50 |
8 | 13.50 | 1.12 | 10.62 | 9.69 | 4 | 1.75 | 1.75 | 8.72 | 8.75 | 1.25 | 39 | 30 | 30 | 45 | 8 | 0.88 | 11.75 |
10 | 16 | 1.19 | 12.75 | 12 | 4 | 1.94 | 1.94 | 10.88 | 10.92 | 1.31 | 52 | 43 | 43 | 70 | 12 | 1 | 14.25 |
12 | 19 | 1.25 | 15 | 14.38 | 4.50 | 2.19 | 2.19 | 12.88 | 12.92 | 1.56 | 80 | 64 | 64 | 110 | 12 | 1 | 17 |
14 | 21 | 1.38 | 16.25 | 15.75 | 5 | 2.25 | 3.12 | 14.14 | 14.18 | 1.63 | 110 | 90 | 105 | 140 | 12 | 1.12 | 18.75 |
16 | 23 | 1.44 | 18.50 | 18 | 5 | 2.50 | 3.44 | 16.16 | 16.19 | 1.75 | 140 | 98 | 140 | 180 | 16 | 1.12 | 21.25 |
18 | 25 | 1.56 | 21 | 19.88 | 5.50 | 2.69 | 3.81 | 18.18 | 18.20 | 1.94 | 150 | 130 | 160 | 220 | 16 | 1.25 | 22.75 |
20 | 27.50 | 1.69 | 23 | 22 | 5.69 | 2.88 | 4.06 | 20.2 | 20.25 | 2.13 | 180 | 165 | 195 | 285 | 20 | 1.25 | 25 |
22 | 29.50 | 1.81 | 25.25 | 24.25 | 5.88 | 3.12 | 4.25 | 22.22 | 22.25 | 2.38 | 225 | 185 | 245 | 355 | 20 | 1.38 | 27.25 |
24 | 32 | 1.88 | 27.25 | 26.12 | 6 | 3.25 | 4.38 | 24.25 | 24.25 | 2.50 | 260 | 220 | 275 | 430 | 20 | 1.38 | 29.50 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
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