A non-stabilized, highly alloyed austenitic Stainless Steel Grade is 904L. The a182 f904l flange has very little carbon. The a182 f904l material has copper added to it to increase its resistance to potent reducing acids like sulfuric acid. Additionally offering resistance to stress-related corrosion cracking and crevice corrosion, SA A182 F904L.
Table of Content
The astm a182 gr. f904l is highly alloyed and contains significant concentrations of pricey materials like nickel and molybdenum. The cost-effective duplex stainless steel 2205 has replaced astm a182 f904l in the majority of uses today.
Specification The a182 f904l flange typically exhibits exceptional resistance to chlorine attack and warm seawater. The inclusion of a high quantity of nickel in grade 904L stainless steel's composition accounts for its strong resistance to stress-related corrosion cracking. Copper also increases the ss 904l flanges' resistance to sulphuric acid and other reducing agents in harsh and benign climatic conditions.
The alloy is described as being non-magnetic and having outstanding toughness, formability, and weldability by makers of 904l stainless steel flanges. The material standard of ss 904l flanges provides strong oxidation resistance. However, when utilised in applications where temperatures can rise, especially beyond 400°C, the structural stability of the ss 904l flanges fails. At 1090 to 1175°C, grade ss 904l flanges equivalent may be solution heat-treated. Solution annealing, also known as solution heat treating, is followed by quick cooling. The 904l stainless steel flanges can be hardened using thermal treatment.

Grade 904L stainless steels can be welded using all common techniques since they have good weldability. Because the material is easily weldable, the manufacturers of 904l stainless steel flanges do not provide heat treatments such pre-heat and post-weld. The suppliers of 904l stainless steel flanges typically view this material as exceptionally pure steels with less sulphide. The producers of ss 904l flanges can machine this material using any accepted techniques.
Even in cold temperatures, these grades are easily bendable to small radii. Even though subsequent annealing is typically not necessary, it is necessary when fabricating 904L stainless steel flanges under extremely severe stress corrosion cracking conditions.
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TEMP °C |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
-29 TO 38 |
15.9 |
41.4 |
55.2 |
82.7 |
124.1 |
206.8 |
344.7 |
50 |
15.3 |
40 |
53.4 |
80 |
120.1 |
200.1 |
333.5 |
100 |
13.3 |
34.8 |
46.4 |
69.6 |
104.4 |
173.9 |
289.9 |
150 |
12 |
31.4 |
41.9 |
62.8 |
94.2 |
157 |
261.6 |
200 |
11.2 |
29.2 |
38.9 |
58.3 |
87.5 |
145.8 |
243 |
250 |
10.5 |
27.5 |
36.6 |
54.9 |
82.4 |
137.3 |
228.9 |
300 |
10 |
26.1 |
34.8 |
52.1 |
78.2 |
130.3 |
217.2 |
325 |
9.3 |
25.5 |
34 |
51 |
76.4 |
127.4 |
212.3 |
350 |
8.4 |
25.1 |
33.4 |
50.1 |
75.2 |
125.4 |
208.9 |
375 |
7.4 |
24.8 |
33 |
49.5 |
74.3 |
123.8 |
206.3 |
400 |
6.5 |
24.3 |
32.4 |
48.6 |
72.9 |
121.5 |
202.5 |
425 |
5.5 |
23.9 |
31.8 |
47.7 |
71.6 |
119.3 |
198.8 |
450 |
4.6 |
23.4 |
31.2 |
46.8 |
70.2 |
117.1 |
195.1 |
TEMP °C |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
| Specifications | Stainless Steel 904L Flanges |
|---|---|
| ASME B16.5 Stainless Steel 904L Flanges size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Stainless Steel 904L Flanges Standards | ANSI/ASME B16.5, B16.48, BS4504, B16.47 Series A & B, EN-1092, BS 10, DIN, ASME Flanges, ANSI Flanges, DIN Flanges, BS Flanges, GOST Flanges,EN Flanges |
| Stainless Steel 904L Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Stainless Steel 904L Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Stainless Steel 904L Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Stainless Steel 904L Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Stainless Steel 904L Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Forged / Threaded / Screwed / Plate |
| Flange supporting material | Gasket, Ring Joint, Flange Bolts |
| Stainless Steel 904L Pipe Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
|
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Raised Face (RF), Large Male-Female (LMF), Flat Face (FF), Lap-Joint Face (LJF), Male-Female (SMF), Small Tongue & Groove, Large Tongue & Groove |
| Most common types of Stainless Steel 904L Flanges |
|
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS Stainless Steel 904L Flanges Threaded Flanges, Socketweld Flanges, Slip-On Flanges, Blind Flanges, Weld Neck Flanges |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Specialized manufacturer of |
|
| Stainless Steel 904L Flanges Standard | API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange,GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange, JIS/ KS Flange, BS4504 Flange
|
| Key markets and industries for Stainless Steel 904L Flanges |
|
| Export to | Ukraine, Brazil, Egypt, Singapore, Peru, India, Thailand, Oman, Iran, Dubai, Canada, Ireland, USA, Korea, Indonesia, Spain, Saudi Arabiaetc |
| Stainless Steel 904L Flanges Application |
|
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) |
|
|---|

15mm (1/2") Stainless Steel 904L Flanges Weight Chart
Pipe Normal Diam. |
O.D. Flange |
Thk. Of Flange Min |
Diam. of Hub |
Diameter of Raised Face |
Length Hub.Y |
Thread Length |
Diam. of Bolt Circle |
Diam. of Bolt Holes |
Number of Bolts |
Diam. of Bolts (inch) |
KG |
LB |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
inch |
dn |
O |
C |
X |
G |
Y |
T |
BC |
BH |
BN |
BD |
||
1/2" |
15 |
89.00 |
11.20 |
30.20 |
35.10 |
15.70 |
15.70 |
60.50 |
15.80 |
4 |
1/2" |
0.4 |
0.9 |
3/4" |
20 |
98.50 |
12.70 |
38.10 |
42.90 |
15.70 |
15.70 |
69.90 |
15.80 |
4 |
1/2" |
0.7 |
1.5 |
1" |
25 |
108.00 |
14.20 |
49.30 |
50.80 |
17.50 |
17.50 |
79.30 |
15.80 |
4 |
1/2" |
0.8 |
1.8 |
1-1/4" |
32 |
117.50 |
15.70 |
58.70 |
63.50 |
20.60 |
20.60 |
88.90 |
15.80 |
4 |
1/2" |
1.2 |
2.6 |
1-1/2" |
40 |
127.00 |
17.50 |
65.00 |
73.20 |
22.40 |
22.40 |
98.60 |
15.80 |
4 |
1/2" |
1.5 |
3.3 |
2" |
50 |
152.50 |
19.10 |
77.70 |
91.90 |
25.40 |
25.40 |
120.70 |
19.10 |
4 |
5/8" |
2.3 |
5.1 |
2-1/2" |
65 |
178.00 |
22.40 |
90.40 |
104.60 |
28.40 |
28.40 |
139.70 |
19.10 |
4 |
5/8" |
3.7 |
8.1 |
3" |
80 |
190.50 |
23.90 |
108.00 |
127.00 |
30.20 |
30.20 |
152.40 |
19.10 |
4 |
5/8" |
4.1 |
9 |
3-1/2" |
90 |
216.00 |
23.90 |
122.20 |
139.70 |
31.80 |
31.80 |
177.80 |
19.10 |
8 |
5/8" |
5.1 |
11.2 |
4" |
100 |
228.50 |
23.90 |
134.90 |
157.20 |
33.30 |
33.30 |
190.50 |
19.10 |
8 |
5/8" |
5.9 |
13 |
5" |
125 |
254.00 |
23.90 |
163.60 |
185.70 |
36.60 |
36.60 |
215.90 |
22.40 |
8 |
3/4" |
7 |
15.4 |
6" |
150 |
279.50 |
25.40 |
192.00 |
215.90 |
39.60 |
39.60 |
241.30 |
22.40 |
8 |
3/4" |
8.4 |
18.5 |
8" |
200 |
343.00 |
28.40 |
246.10 |
269.70 |
44.50 |
44.50 |
298.50 |
22.40 |
8 |
3/4" |
13 |
28.6 |
10" |
250 |
406.50 |
30.20 |
904L.80 |
323.90 |
49.30 |
49.30 |
362.00 |
25.40 |
12 |
7/8" |
18 |
39.5 |
12" |
300 |
482.50 |
31.80 |
365.30 |
381.00 |
55.60 |
55.60 |
431.80 |
25.40 |
12 |
7/8" |
29 |
64 |
14" |
350 |
533.50 |
35.10 |
400.10 |
412.80 |
57.20 |
57.20 |
476.30 |
28.50 |
12 |
1" |
39 |
86 |
16" |
400 |
597.00 |
36.60 |
457.20 |
469.90 |
63.50 |
63.50 |
539.80 |
28.50 |
16 |
1" |
47 |
103 |
18" |
450 |
635.00 |
39.60 |
505.00 |
533.40 |
68.30 |
68.30 |
577.90 |
31.80 |
16 |
1 1/8" |
57 |
126 |
20" |
500 |
698.50 |
42.90 |
558.80 |
584.20 |
73.20 |
73.20 |
635.00 |
31.80 |
20 |
1 1/8" |
76 |
167 |
24" |
600 |
813.00 |
47.80 |
663.40 |
692.20 |
82.60 |
82.60 |
749.30 |
35.10 |
20 |
1 1/4" |
97 |
214 |
Flange Schedule/Class |
Pipe Size - Pipe Flanges |
Flange Connection Type |
Flange Material |
Max. Pressure |
|---|---|---|---|---|
ASME B16.5 Class 150 |
1/2" |
FNPT |
Stainless Steel 904L Flanges |
150 psi |
ASME B16.5 Class 150 |
1/2" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
1/2" |
Welded |
Stainless Steel 904L Flanges |
150 psi |
ASME B16.5 Class 150 |
3/4" |
FNPT |
Stainless Steel 904L Flanges |
150 psi |
ASME B16.5 Class 150 |
3/4" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
1-1/4" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
1-1/2" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
2" |
FNPT |
Stainless Steel 904L Flanges |
150 psi |
ASME B16.5 Class 150 |
2" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
2-1/2" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
3" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 150 |
4" |
FNPT |
Stainless Steel 904L Flanges |
150 psi |
ASME B16.5 Class 150 |
4" |
Socket Weld |
Stainless Steel 904L Flanges |
275 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
FNPT |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/4" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
1-1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
2-1/2" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
3" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
ASME B16.5 Class 300 |
4" |
Slip On |
Stainless Steel 904L Flanges |
720 psi |
| Stainless Steel 904L Flanges | |
| Stainless Steel 904L Blind Flanges | Stainless Steel 904L Reducing Flanges |
| Stainless Steel 904L Lap Joint Flanges | Stainless Steel 904L Plate Flanges |
| Stainless Steel 904L Orifice Flanges | Stainless Steel 904L Forged Flanges |
| Stainless Steel 904L Slip-On Flanges | Stainless Steel 904L Flanges |
| Stainless Steel 904L Weld Neck Flanges | Stainless Steel 904L Socket Weld Flanges |
| Stainless Steel 904L Ring Type Joint Flanges | |
Grade |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
Ni |
N |
SS 904L |
0.08 max |
2 max |
0.75 max |
0.045 max |
0.030 max |
18 – 20 |
– |
8 – 11 |
– |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |
Yield Strength 0.2% Offset |
Ultimate Tensile Strength |
Elongation in 2 in. |
Hardness |
||
|---|---|---|---|---|---|
psi (min.) |
(MPa) |
psi (min.) |
(MPa) |
% (min.) |
(max.) |
31,000 |
220 |
71,000 |
490 |
36 |
70-90 Rockwell B |
Properties |
Metric |
Imperial |
|---|---|---|
Thermal expansion co-efficient (@0-100°C/32-212°F) |
10.4 µm/m°C |
5.78 µin/in°F |
Thermal conductivity |
21.6 W/mK |
150 BTU in/hr.ft².°F |
Density 0.287 lbs/in37.95 g/cm3 Specific Heat 0.11 BTU/lb-°F (32 – 212°F)450 J/kg-°K (0 – 100°C) Modulus of Elasticity 28.0 x 106 psi190 GPa |
Thermal Conductivity 212°F (100°C) 6.8 BTU/Ft-hr°F12.9 W/m-°K Melting Range 2372 – 2534°F1300 – 1390°C Electrical Resistivity 33.5 Microhm-in at 68°C95.2 Microhm-cm at 20°C |
SS 904L Screwed Flanges Exporter |
SUS 904L Split Flanges Stockist |
Stainless Steel UNS N08904 Puddle Flanges |
904L Stainless Steel BLRF Flanges |
DIN 1.4539 Stainless Steel SAE Flanges |
BS 904S13 Reducing Flanges Wholesaler |
904L SS SORF Flanges |
ASTM A182 904L Stainless Steel Exhaust Flanges |
904L Stainless Steel Flanges Manufacturer |
904L Stainless Steel EN 1092-1 Flanges |
A182 F904L SS RTJ Flanges |
904L Stainless Steel WNRF Flanges Supplier |
AISI 904L Flanges |
ASME SA182 904L Stainless Steel Tank Flanges |
| ASTM A182 Stainless Steel 904L Exhaust Flanges | ASME SA182 Stainless Steel 904L Slip On Plate Flanges |
| ASTM A182 Stainless Steel 904L Header Flanges | Stainless Steel 904L Slip On Flanges |
| ASTM A182 Stainless Steel 904L Shower Rod Flanges | ASTM A182 Stainless Steel 904L Sae Flanges |
| ASTM A182 Stainless Steel 904L Socket Weld Flanges | ASTM A182 Stainless Steel 904L WNRF Flanges |
| ASTM A182 Stainless Steel 904L Sbc Header Flanges | Stainless Steel 904L Raised Face Blind Flanges |
| ASTM A182 Stainless Steel 904L Split Flanges | ASME SA182 Stainless Steel 904L Blind Flanges |
| ASTM A182 Stainless Steel 904L Slip-On Pipe Flanges | Stainless Steel 904L Blind Flanges |
| ASTM A182 Stainless Steel 904L Slip On Flanges | Stainless Steel 904L Weld Neck Flanges |
| ASTM A182 Stainless Steel 904L Pipe Flanges | Stainless Steel 904L Raised Face Slip On Flanges |
| ASTM A182 Stainless Steel 904L Plate Flanges | A182 Stainless Steel 904L Pipe Flanges |
| ASTM A182 Stainless Steel 904L Backing Flanges | Stainless Steel 904L Exhaust Flanges |
| ASTM A182 Stainless Steel 904L Tube Flanges | ASME SA182 Stainless Steel 904L Header Flanges |
| ASTM A182 Stainless Steel 904L Stub End Flanges | Stainless Steel 904L Raised Face Weld Neck Flanges |
| ASTM A182 Stainless Steel 904L Screwed Flanges | ASTM A182 Stainless Steel 904L Clad Flanges |
| ASTM A182 Stainless Steel 904L Square Flanges | ASTM A182 Stainless Steel 904L Ansi Flanges |
| Table E ASTM A182 Stainless Steel 904L Flanges | ASME B16.5 Stainless Steel 904L Socket weld Flanges |
| ASTM A182 Stainless Steel 904L Floor Flanges | Stainless Steel 904L Flanges |
| ASTM A182 Stainless Steel 904L Forged Flanges | ASME SA182 Stainless Steel 904L Flanges |
| Gaskets For ASTM A182 Stainless Steel 904L Flanges | Stainless Steel 904L Flanges |
| ASTM A182 Stainless Steel 904L Handrail Flanges | ASTM A182 Stainless Steel 904L fastenersonline Flanges |
| Ansi 150 ASTM A182 Stainless Steel 904L Flanges | ASTM A182 Stainless Steel 904L BLRF Flanges |
| ASTM A182 Stainless Steel 904L Blank Flanges | Stainless Steel 904L Orifice Flanges |
| ASTM A182 Stainless Steel 904L Bsp Flanges | ASME SA182 Stainless Steel 904L Orifice Flanges |
| ASTM A182 Stainless Steel 904L Companion Flanges | Stainless Steel 904L Orifice Flanges |
| ASTM A182 Stainless Steel 904L Class 150 Flanges | ASTM A182 Stainless Steel 904L Duct Flanges |
| ASTM A182 Stainless Steel 904L Cover Flanges | A182 Stainless Steel 904L Orifice Flanges |
| Large Diameter ASTM A182 Stainless Steel 904L Flanges | ASTM A182 Stainless Steel 904L SWRF Flanges |
| Class 600 ASTM A182 Stainless Steel 904L Flanges | ASME SA182 Stainless Steel 904L Socket weld Flanges |
| ASTM A182 Stainless Steel 904L Din Flanges | Stainless Steel 904L Socket weld Flanges |
| ASTM A182 Stainless Steel 904L Long Weld Neck Flanges | Stainless Steel 904L Long weld Neck Flanges |
| ASTM A182 Stainless Steel 904L Metric Flanges | ASME SA182 Stainless Steel 904L Long weld Neck Flanges |
| High Pressure ASTM A182 Stainless Steel 904L Flanges | ASTM A182 Stainless Steel 904L Flanges |
| ASTM A182 Stainless Steel 904L Lap Joint Flanges | ASTM A182 Stainless Steel 904L Flanges |
| Custom ASTM A182 Stainless Steel 904L Flanges | Stainless Steel 904L Socket weld Flanges |
| ASTM A182 Stainless Steel 904L Puddle Flanges | ASME SA182 Stainless Steel 904L Ring Type Joint Flanges |
| ASTM A182 Stainless Steel 904L Pad Flanges | Stainless Steel 904L RTJ Flanges |
| ASTM A182 Stainless Steel 904L Reducing Flanges | Stainless Steel 904L RTJ Flanges |
| ASTM A182 Stainless Steel 904L Raised Face Flanges | ASTM A182 Stainless Steel 904L RTJ Flanges |
| ASTM A182 Stainless Steel 904L Muffler Flanges | Stainless Steel 904L Long weld Neck Flanges |
| ASTM A182 Stainless Steel 904L Pump Flanges | ASTM A182 Stainless Steel 904L Orifice Flanges |
| ASTM A182 Stainless Steel 904L Pressed Flanges | Stainless Steel 904L Ring Type Joint Flanges |
| ASTM A182 Stainless Steel 904L Turbo Flanges | ASTM A182 Stainless Steel 904L Forged Flanges |
| ASTM A182 Stainless Steel 904L Vacuum Flanges | ASTM A182 Stainless Steel 904L Reducing Flanges |
| ASTM A182 Stainless Steel 904L Reducing Flanges | Stainless Steel 904L Forged Flanges |
| ASTM A182 Stainless Steel 904L Ring Flanges | BS4504 Stainless Steel 904L RTJ Flanges |
| ASTM A182 Stainless Steel 904L Reducing Flanges | Stainless Steel 904L Reducing Flanges |
| ASTM A182 Stainless Steel 904L Wnrf Flanges | ASME SA182 Stainless Steel 904L Reducing Flanges |
| ASTM A182 Stainless Steel 904L Split Flanges | Stainless Steel 904L Reducing Flanges |
a full selection of ASME SA182M Grade 904L Orifice Flanges, Austenitic Stainless Steel 904L Class 300 WNRF Flanges, and Astm A182 Gr. F904l Flanges at factory prices in India Find here details on the weight chart, dimensions, and chemical composition of SS 904l Flanges.
