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Flanges
420 Stainless Steel Flanges
Stainless Steel 420 is a hardenable, martensitic stainless steel that is an alteration of Alloy 410. Like 410, it contains at least 12% chromium, sufficiently adequate to give consumption safe properties. Amalgamation 420 has higher carbon content than Alloy 410 which is intended to improve quality and hardness attributes. It has great malleability its the strengthened condition yet is equipped for being solidified up to Rockwell hardness 50 HRC, the most noteworthy hardness of the 12% chromium grades. Because of its solidifying properties, Alloy 420 is not regularly welded, despite the fact that it is conceivable. Martensitic stainless steels are intended for high hardness and now and again different properties are to some degree bargained. Erosion resistance is lower than the normal austenitic evaluations and their helpful working extent is restricted by their loss of flexibility at below zero temperatures and loss of quality by over-treating at raised temperatures. Its best consumption resistance is accomplished when the metal is solidified and surface ground is cleaned.
Stainless Steel 420 Flanges werkstoff nr. / DIN 1.4021 UNS S42000 Flanges, SS 420 Flanges Manufacturer, SS 420 Flanges Suppliers.
| Standard | SS 420 |
|---|---|
| UNS | S42000 |
| WERKSTOFF NR. | 1.4021 |
Specification
| Standard | 420 /1.4021 |
|---|---|
| Specification | ANSI B16.5 |
| Designation | A240 / A182, SA 240 / SA 182 |
| Class | 150#, 300#, 400 #, 600#, 900#, 1500# & 2500# |
| Dimension | BS4504, EN-1092 |
Chemical Composition
|
Grade |
C |
Mn |
Si |
P |
S |
Cr |
|
|---|---|---|---|---|---|---|---|
|
420 |
Min. max. |
0.15 - |
- 1 |
- 1 |
- 0.040 |
- 0.03 |
12.0 14.0 |
Mechanical Properties
|
Tempering Temperature (°C) |
Tensile Strength (MPa) |
Yield Strength |
Elongation (% in 50mm) |
Hardness Brinell (HB) |
Impact Charpy V (J) |
|---|---|---|---|---|---|
|
Annealed * |
655 |
345 |
25 |
241 max |
- |
|
204 |
1600 |
1360 |
12 |
444 |
20 |
|
316 |
1580 |
1365 |
14 |
444 |
19 |
|
427 |
1620 |
1420 |
10 |
461 |
# |
|
538 |
1305 |
1095 |
15 |
375 |
# |
|
593 |
1035 |
810 |
18 |
302 |
22 |
|
650 |
895 |
680 |
20 |
262 |
42 |
* Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum. |
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Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of thermal Expansion (m/m/0C) | thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
|
420 |
7800 |
200 |
10.3 |
10.8 |
11.7 |
24.9 |
- |
460 |
550 |
TYPES OF STAINLESS STEEL 420 FLANGES
• Steel 420 Screwed Flanges
• SS 420 Long Weld Neck Flanges
• Stainless Steel 420 Reducing Flanges
• ASME SS 420 Spectacle Blind Flanges
• ASTM A182 Stainless Steel 420 Ring Joint Flanges
• SS DIN 1.4301 420 Threaded Flanges
• SS EN 420 WNRF Flanges
• Stainless Steel 420 SORF Flanges
• UNS S420 Weld Neck Flanges
• SUS 420 Socket Weld Flanges
• SS BS 420 Slip On Raise Face Flanges
• ASTM A240 SS 420 Blind Raise Face Flanges
• AISI SS 420 Lap Joint Flanges
• Steel 420 Orifice Flanges
• SS 420 SWRF Flanges
• Stainless Steel 420 BLRF Flanges