ASTM A276 UNS S43000 Round Bars, SS 420 Round Bars, Stainless Steel 420 Round Bars Supplier, Manufacturer and Exporter in India
Din 1.4034 SS 430 Round Bars, SS UNS S42000 Round Bars, Stainless Steel 420 Round Rods, 420 Stainless Steel Cold Drawn Bars Suppliers in India.
STAINLESS STEEL 420 ROUND BARS GENERAL PROPERTIES:
Alloy 420 is a hardenable, martensitic stainless steel that is a modification of Alloy 410. Similar to 410, it contains a minimum of 12% chromium, just sufficient enough to give corrosion resistant properties. Alloy 420 has higher carbon content than Alloy 410 which is designed to optimize strength and hardness characteristics. It has good ductility it the annealed condition but is capable of being hardened up to Rockwell hardness 50 HRC, the highest hardness of the 12% chromium grades. Due to its hardening properties, Alloy 420 is not often welded, although it is possible. Martensitic stainless steels are designed for high hardness and sometimes other properties are to some degree compromised. Corrosion resistance is lower than the common austenitic grades and their useful operating range is limited by their loss of ductility at sub-zero temperatures and loss of strength by over-tempering at elevated temperatures. Its best corrosion resistance is achieved when the metal is hardened and surface ground or polished.
STAINLESS STEEL 420 ROUND BARS APPLICATIONS:
Alloy 420 is used for a variety of applications where good corrosion and outstanding hardness is necessary. It is not usually used at temperatures exceeding 800oF (427oC) due to quick hardening and loss of corrosion resistance. Examples of applications that use alloy 420 include:
- Cuttery
- Knife blades
- Surgical instruments
- Needle valves
- Shear blades
- Scissors
- Hand tools
STAINLESS STEEL 420 ROUND BARSCORROSION RESISTANCE:
- Less resistant than the austenitic grades and the 17% chromium ferritic alloys
- Good resistance in the hardened condition to the atmosphere, foods, fresh water, and mild acids
- Resistance lowered in the annealed condition
- Best with a smooth surface finish
STAINLESS STEEL 420 ROUND BARS HEAT RESISTANCE:
- Not recommended for use above the relevant tempering temperature because of reduction in mechanical properties
- Scaling temperature is approximately 1202oF (650oC)
STAINLESS STEEL 420 ROUND BARS WELDING:
- Not commonly welded due to air hardening characteristics.
- Welding may be performed after preheating to 300-400 F
- Post weld tempering at temperature for 2 hours
STAINLESS STEEL 420 ROUND BARS HOT WORKING:
- Recommended to bring temperatures slowly up to 1400, then on to 2000-2200 F
- Furnace cool slowly to avoid cracking, after furnace working
- Reheating is necessary to keep working temperature above 1600 F.
STAINLESS STEEL 420 ROUND BARS COLD WORKING:
- Can withstand only minor cold work.
- Radical forming operations will result in cracking.
STAINLESS STEEL 420 ROUND BARS ANEALING:
- Anneal at temperatures between 1550-1650 F (843-900 C)
- Allow for slow furnace cooling.
STAINLESS STEEL 420 ROUND BARS TEMPERING:
- Temper at temperatures of 300-400 F
- Air cool for maximum hardness and corrosion resistance.
STAINLESS STEEL 420 ROUND BARS HARDENING:
- Soak at 1850-1950 F to quench in heated oil.
STAINLESS STEEL 420 ROUND BARS CHEMICAL PROPERTIES:
| C | Mn | Si | P | S | Cr | |
|---|---|---|---|---|---|---|
| 420 | 0.15 max |
1.00 max |
1.00 max |
0.04 max |
0.03 max |
min: 12.0 max: 14.0 |
STAINLESS STEEL 420 ROUND BARS MECHANICAL PROPERTIES:
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) |
Elongation (% in 50mm) |
Hardness Brinell (HB) |
|---|---|---|---|---|
| Annealed * | 655 | 345 | 25 | 241 max |
| 399°F (204°C) | 1600 | 1360 | 12 | 444 |
| 600°F (316°C) | 1580 | 1365 | 14 | 444 |
| 800°F (427°C) | 1620 | 1420 | 10 | 461 |
| 1000°F (538°C) | 1305 | 1095 | 15 | 375 |
| 1099°F (593°C) | 1035 | 810 | 18 | 302 |
| 1202°F (650°C) | 895 | 680 | 20 | 262 |
| * Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum. | ||||
STAINLESS STEEL 420 ROUND BARS PHYSICAL PROPERTIES:
| Density kg/m3 |
Thermal Conductivity W/mK |
Electrical Resistivity (Microhm/cm) |
Modulus of Elasticity |
Coefficient of Thermal Expansion µm/m/°C |
Specific Heat (J/kg.K) |
|---|---|---|---|---|---|
| 7750 | 24.9 at 212°F | 550 (nΩ.m) at 68°F | 200 GPa | 10.3 at 32 – 212°F | 460 at 32°F to 212°F |
| – at 932 °F | 10.8 at 32 – 599°F | ||||
| 17.7 at 32-1000°F |
Harsh steel Supplies and Exports Stainless steel 440 Strips from 2.5mm wide to 400mm, slit to close tolerances. We supply in below specifications:-
Cold Drawn Stainless steel Wire Round Bars
Application :
Machined Components, Pump Shafts, Valves, Fasteners, Machine Tools, Dairy Equipments, Surgical & Medical Parts, Threaded Bars, Studs, Bolts, Pins, Hinges and Handles.
Condition |
Cold Drawn & Polished |
Cold Drawn, Centre less Ground & Polished |
Cold Drawn, Centre less Ground & Polished (Strain Hardened) |
|---|---|---|---|
Grades |
Alloy 286,Alloy 20, 202, 303, 304, 304L, 310, 316, 316L, 32, 410, 420, 416, 430, 431, 430F , 630, 17-4ph, Duplex steel 2205 |
304, 304L, 316, 316L |
|
Diameter (Size) |
2 mm to 5mm (1/8" to 3/16") |
6mm to 22m (1/4" to 7/8") |
10mm to 40mm (3/8" to 1-1/2") |
Diameter Tolerance |
h9 (Din 671),h41 |
h9 (Din 671) |
h9 (Din 671),h41 |
Length |
3/4/5.6/6 meter |
3/4/5.6/6 meter |
3/4/5.6/6 meter |
Length Tolerance |
-0/+200mm or |
-0/+200mm or |
-0/+200mm |
Peeled Turned Polished Stainless Steel Round Bars and Stainless steel forged Bars:
Condition |
Peeled, Centreless Ground & Polished |
Peeled & Polished |
Peeled |
Forged, |
|---|---|---|---|---|
Grades |
Alloy 286,Alloy 20, 202, 303, 304, 304L, 310, 316, 316L, 32, 410, 420, 416, 430, 431, 430F , 630, 17-7,17-4ph, Duplex steel 2205, Duplex steel 2507 |
304, 304L, 316, 316L, 410, 416, 420, 431, 17-4Ph |
303, 304, 304L, 316, 316L, 410, 416, 420, 431, 17-4 ph |
|
Diameter (Size) |
20mm to 85mm |
85mm to 140mm |
25mm to 140mm |
150mm to 400mm (6 ” to 16 ”) |
Diameter Tolerance |
h9 (Din 671) tolerance |
h41 tolerance |
K12/K13 |
-0mm/+3mm |
Length |
3/4/5.6/6 meter |
3/4/5.6/6 meter |
3/4/5.6/6 meter |
3 meter -5 meter |
Length Tolerance |
-0/+200mm or |
-0/+200mm or |
-0/+1000mm or 500mm (-0 ”/+3 feet or +2 feet) |
-0/+2 meter- |
We export our STAINLESS STEEL 420 ROUND BARS products to Western and Eastern Europe, Saudi Arabia, Bangladesh, United States, United Arab Emirates, Canada, Angola, Argentina, Austria, Azerbaijan, Pakistan, Peru, Chile, Spain, France, United Kingdom, Indonesia, Israel, Iran, Kuwait, Mexico, Malaysia, Nigeria, Serbia, Singapore, Taiwan, Chile, Venezuela, Ecuador, Netherlands, Brazil, Colombia, Ghana, Iran, Denmark, Poland, Australia, Afghanistan, Bahrain, Costa Rica, Egypt, Iraq, Jordan, South Korea, Kazakhstan, Sri Lanka, Lithuania, Norway, Oman, Philippines, Poland, Qatar, Russia, Vietnam, South Africa, Nigeria, Mexico, Turkey, Hungary, Algeria, Belarus, Belgium, Bhutan, Bolivia, Bulgaria, Croatia, Czech Republic, Estonia, Finland, Greece, Italy, Japan, Libya, Romania, Thailand, Trinidad & Tobago,Tunisia, Ukraine, Yemen, Hong Kong, Gabon, China, Portugal, Switzerland, New Zealand, Sweden, Slovakia, Kenya, Lebanon, Morocco, Mongolia etc. We are sure that we also can cover the requirements requested by your company you can email us at harshsteel@ymail.com for your instant requirements.
