Carbon Steel Products
ASTM A350 LF2 Flanges
Specification
CHEMICAL & MECHANICAL COMPOSITION
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Detailed Information
Prashaant Steel & Alloys is involved in manufacturing and shipping the ASTM A350 LF2 Flanges of good specification. The ASTM A350 LF2 Flanges we manufacture are robust to different corrosive media applications. Prashaant Steel & Alloys manufactures the ASTM A350 LF2 Flanges using state-of-the-art manufacturing and state-of-the-art equipment in our state-of-the-art production facility. We are utilizing the highest quality of the available raw materials and manufacturing the ASTM A350 LF2 Flanges which are on an equal basis with both international and national quality requirements. Prashaant Steel & Alloys has established an industry reputation for the consistency of the goods we deliver. We also take custom orders from our customers at Prashaant Steel & Alloys and produce the ASTM A350 LF2 Flanges which meet our customers ‘ expectations and requirements.
SA350 LF2 flanges are mostly used to connect pipes, valves, and pumps. It has several grades and classes. These are corrosion resistant and are used in many other industrial sectors. A350 Lf2 Cl1 Flanges are the one which delivers excellent performance and generally meet the demands. These are known for a worldwide network of stock-keeping branches. A350 LF2 Class 1 and class 2 flanges have chemical and many other mechanical properties such as grade class, tensile strength, yield strength, elongation, hardness, etc. This is used for higher temperatures and thy ear is also used for many other industries.
A350 Lf2 Class 2 Flange is used in ambient and higher-temperature service. These are used in low-temperature services. Appropriate testing and many other things are included before launching the product in the market. A350 LF2 Welding neck flange is used in many pressure parts, machine tools, pump shafts, and many others. This is available in many sizes and is available in stock. This can be furnished with either a normalized and tempered condition. Blind Flange A350 LF2 is good for high strength, pressure resistance, and temperature resistance. Used in applications like power plants, chemicals, and other industries.
A350 Lf2 Sour Service Flange is manufactured by Prashaant Steel & Alloys Corporation as this is the leading and trustworthy one where this product is produced by our team with their extreme talent and also the product is dispatched on time. An ISO-certified company with 20 years old organization and thus our name is well-known in the market.
Specification chart of ASME SA350 Gr Lf2 Flanges:
| Standards | GOST Flange, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092, BS, BS4504, BS 10, EN-1092, DIN, ANSI, ASME, DIN, MSS S44, ISO70051, ANSI/ASME B16.5, ASME/ANSI B16.5/16.36/16.47A/16.47B, B16.47 Series A & B, B16.48, EN |
| Pressure Rating ANSI | Class 1500, Class 150, Class 900, Class 2500, Class 300, Class 600, |
| Pressure Calculation in DIN | 10Bar, 16Bar, 25Bar, 40Bar, 6Bar, / PN16, PN64, PN40, PN25, PN10, PN6 |
| JIS | 16 K, 20 K, 5K, 10 K, 40 K, 63 K, 30 K, |
| UNI | 10Bar 16Bar 6Bar 25Bar 40Bar |
| EN | 6Bar 25Bar 40Bar 10Bar 16Bar |
| Most common Types | Threaded / Screwed / Forged / Plate |
| Production technique |
Forged, Heat treated and machined |
Carbon Steel ASTM A350 LF2 Flanges Chemical Composition:
| C% | Mn% | P% | Si% | Ni% | S% | Cr% |
| 0.30 max | 0.6/1.35 | .035 max | .15/.30 | 0.40 max | .040 max | 0.30 max |
Carbon Steel ASTM A350 Lf2 Flanges Physical Properties:
- Class 1 HB: after heat treatment
- Hardness HB: < 197
- Yield Strength: > 250 MPa
- Reduction of area: > 30 %
- Impact energy KV -50°F [-45°С]: > 16 J
- Tensile Strength: 485 – 655 MPa
- Elongation: > 22 %
CS ASTM A350 Lf2 Forgings Mechanical Properties:
| PROPERTIES | Imperial |
| TS Min psi (Mpa) | 70,000 (485) |
| YS Min psi (Mpa) | 36,000 (250) |
| EL (2″ Min) | 22% |
| RA Min | 30% |
| Hardness, Bhn | Max 197 |
| -50ºF Charpy | Min Impact |
| Energy F t/Lb (J):- | |
| Set of 3 Specimen* | 15 (20) |
| For One Specimen | 12 (16) |
Most Popular Types Of SA350 lf2 flanges
Astm A350 Lf2 Flanges
Astm A350 Lf2 Cl1 Blind Flange
Sa350 Lf2 Flanges
Pipe Flange A350 Lf2
A350 Lf2 Welding Neck Flange
Sa350lf2 Cl1 Blind Flange
ASTM A350 Gr Lf2 Cl1 Flange Weight Chart
| Standard | Class | Diameter | Bolt Circle Diameter | Number of Bolts | Bolt Size | Diameter of Bolt Hole |
|---|---|---|---|---|---|---|
| AS4087 | PN14 | 95 | 67 | 4 | M12 | 14 |
| AS 2129 Flange | Table C | 95 | 67 | 4 | 13 | 14 |
| Table D | 95 | 67 | 4 | 13 | 14 | |
| Table E | 95 | 67 | 4 | 13 | 14 | |
| Table F | 95 | 67 | 4 | 13 | 14 | |
| Table H | 114 | 83 | 4 | 16 | 17 | |
| Table J | 114 | 83 | 4 | 16 | 17 | |
| ASTM B16.5 | ASTM 150 | 89 | 60 | 4 | 13 | 16 |
| ASTM 300 | 95 | 67 | 4 | 13 | 16 | |
| ASTM 600 | 95 | 67 | 4 | 13 | 16 | |
| ASTM 900 | 121 | 83 | 4 | 19 | 22 | |
| ASTM 1500 | 121 | 83 | 4 | 19 | 22 | |
| ISO 7005 (DIN) Flange | PN6 | 80 | 55 | 4 | M10 | 11 |
| PN10 | 95 | 65 | 4 | M12 | 14 | |
| PN16 | 95 | 65 | 4 | M12 | 14 | |
| PN20 | 90 | 60.5 | 4 | M14 | 16 | |
| PN25 | 95 | 65 | 4 | M12 | 14 | |
| PN40 | 95 | 65 | 4 | M12 | 14 |
A350 LF2 Welding neck flange Thermal Properties
| 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 |
CS A350 LF2 Flanges Pressure Ratings
|
TEMP
°C |
150
|
300
|
400
|
600
|
900
|
1500
|
2500
|
|
-29 TO 38
|
19.6
|
51.1
|
68.1
|
102.1
|
153.2
|
255.3
|
425.5
|
|
50
|
19.2
|
50.1
|
66.8
|
100.2
|
150.4
|
250.6
|
417.7
|
|
100
|
17.7
|
46.6
|
62.1
|
93.2
|
139.8
|
233
|
388.3
|
|
150
|
15.8
|
45.1
|
60.1
|
90.2
|
135.2
|
225.4
|
375.6
|
|
200
|
13.8
|
43.8
|
58.4
|
87.6
|
131.4
|
219
|
365
|
|
250
|
12.1
|
41.9
|
55.9
|
83.9
|
125.8
|
209.7
|
349.5
|
|
300
|
10.2
|
39.8
|
53.1
|
79.6
|
119.5
|
199.1
|
331.8
|
|
325
|
9.3
|
38.7
|
51.6
|
77.4
|
116.1
|
193.6
|
322.6
|
|
350
|
8.4
|
37.6
|
50.1
|
75.1
|
112.7
|
187.8
|
313
|
|
375
|
7.4
|
36.4
|
48.5
|
72.7
|
109.1
|
181.8
|
303.1
|
|
400
|
6.5
|
34.7
|
46.3
|
69.4
|
104.2
|
173.6
|
289.3
|
|
425
|
5.5
|
28.8
|
38.4
|
57.5
|
86.3
|
143.8
|
239.7
|
|
450
|
4.6
|
23
|
30.7
|
46
|
69
|
115
|
191.7
|
|
475
|
3.7
|
17.4
|
23.2
|
34.9
|
52.3
|
87.2
|
145.3
|
|
500
|
2.8
|
11.8
|
15.7
|
23.5
|
35.3
|
58.8
|
97.9
|
|
538
|
1.4
|
5.9
|
7.9
|
11.8
|
17.7
|
29.5
|
49.2
|
|
TEMP
°C |
150
|
300
|
400
|
600
|
900
|
1500
|
2500
|
Carbon Steel ASTM A350 LF2 Flange Dimensions
150 LB Flange Dimensions
300 LB Flange Dimensions
600 LB Flange Dimensions
900 LB Flange Dimensions
1500 LB Flange Dimensions
2500 LB Flange Dimensions
DIN 2527 Flanges
DIN 2573 Flanges
DIN 2576 Flanges
DIN 2632 Flanges
DIN 2633 Flanges
DIN 2635 Flanges
DIN 2642 Flanges
ANSI B16.47 Flange
Types of ASTM A350 Lf2 Class 1 Flange:
| ASTM A350 LF2 Blind Flange | Carbon Steel A350 LF2 Weld Neck Flanges |
| ASME SA350 LF2 SORF Flange | Carbon Steel A350 LF2 Galvanized Flanges |
| ASME SA350 LF2 Slip on Flange | ASTM A350 LF2 Ring Type Joint Flange |
| ASTM A350 LF2 CS Screwed Flange | Carbon Steel A350 LF2 Split Flange |
| DIN 2605 ASTM A350 LF2 CS SAE Flanges | Carbon Steel LF2 Reducing Flanges |
| JIS B2220 ASTM A350 CS Puddle Flange | ASTM A350 LF2 Carbon Steel Exhaust Flange |
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