UNS S30409 Round Bars, SS 304H Round Bars, AISI SS 304H Stainless Steel 304H Round Bars Supplier, Manufacturer and Exporter in India
Din 1.4301 SS 304H Round Bars, SS UNS S30409 Round Bars, Stainless Steel 304H Round Rods, 304H Stainless Steel 304H Cold Drawn Bars Suppliers in India.
STAINLESS STEEL 304H ROUND BARS GENERAL PROPERTIES:
Alloy 304 is a T-300 series stainless steel austenitic, which has a minimum of 18% chromium and 8% nickel with a maximum of 0.08% carbon. It is the standard "18/8 stainless" that is commonly found in pans and cooking tools. Alloy 304 is the most versatile and widely used alloy in the stainless steel family. It may be used for a wide variety of home and commercial applications and exhibits excellent corrosion resistance, has a high ease of fabrication, outstanding formability, and tremendous strength. The austenitic stainless steels are also considered to be the most weldable of the high-alloy steels and can be welded by all fusion and resistance welding processes. Due to its controlled carbon content of 0.04 to 0.10, Alloy 304H provides improved high temperature strength when exposed to temperatures above 800oF. Alloy 304H also has greater short term and long term creep strength than Alloy 304L at temperatures above 500oC and is more resistant to sensitization than Alloy 304L.
STAINLESS STEEL 304H ROUND BARS APPLICATIONS:
Alloy 304H is often used as a material of construction up to about 1500oF. Some examples of applications that Alloy 304H is commonly used for includes:
- Most commonly used in petroleum refineries
- Boilers
- Heat exchangers
- Condensers
- Pipelines
- Cooling towers
- Steam exhausts
- Electric generation plants
- On occasion will be found in fertilizer and chemical plants
STAINLESS STEEL 304H ROUND BARS HEAT RESISTANCE:
- Good oxidation resistance in intermittent service to 870O C and in continuous service to 920O C
- Continuous use of Alloy 304 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important
- Alloy 304H has higher strength at elevated temperatures so is often used for structural and pressure-containing applications at temperatures above about 500°C and up to about 800°C
- Alloy 304H will become sensitized in the temperature range of 425-860°C; this is not a problem for high temperature applications, but will result in reduced aqueous corrosion resistance.
STAINLESS STEEL 304H ROUND BARS CORROSION RESISTANCE:
- Resistance to corrosion in oxidizing environments is a result from the 18 to 19% chromium that the 304 alloys contain
- Resistance to moderately aggressive organic acids is a result from the 9 to 11% nickel that the 304 alloys contain
- At times, Alloy 304L may show a lower corrosion rate than the higher carbon Alloy 304; otherwise, the 304, 304L, and 304H alloys may be considered to perform uniformly in most corrosive environments.
STAINLESS STEEL 304H ROUND BARS WELDING CHARACTERISTICS:
- Readily welded by most standard processes.
- May be necessary to anneal the plate after welding
- Annealing helps restore corrosion resistance lost by the sensitization.
STAINLESS STEEL 304H ROUND BARS PROCESSING - HOT FORMING:
- Working tempertarues of 1652-2102 degrees F are recommended
- Material should be annealed at 1900 degrees F
- Material should be water quenched or or rapidly cooled
STAINLESS STEEL 304H ROUND BARS PROCESSING - COLD FORMING:
- Alloy is quite ductile and forms easily
- Helps increase strength and hardness of alloy
- May leave alloy slightly magnetic
STAINLESS STEEL 304H ROUND BARS MACHINABILITY:
- Subject to work hardening during deformation
- Subject to chip breaking
- Best results achieved through slower speed, heavier feeds, good lubrication, and sharp tooling
STAINLESS STEEL 304H ROUND BARS CHEMICAL PROPERTIES:
| % | Cr | Ni | C | Si | Mn | P | S | N |
|---|---|---|---|---|---|---|---|---|
| 304H | min: 18.0 max:20.0 |
min: 8.0 max: 10.5 |
min: 0.04 max:0.10 |
0.75 max |
2.0 max |
0.45 max |
0.03 max |
0.10 max |
STAINLESS STEEL 304H ROUND BARS MECHANICAL PROPERTIES:
| Grade | Tensile Strength ksi (min.) |
Yield Strength 0.2% Offset ksi (min.) |
Elongation - % in 50 mm (min.) |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 304H | 75 | 30 | 40 | 201 | 92 |
STAINLESS STEEL 304H ROUND BARS PHYSICAL PROPERTIES:
| Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | ||
|---|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 1600°F | at 212°F | at 932°F | at 32 – 212°F | in tension (E) |
| 0.285 | 9.2 | 11.0 | 9.4 | 12.4 | 0.12 | 29 x 106 |
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),h11 |
h9 (Din 671) |
h9 (Din 671),h11 |
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 |
h11 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 304H 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.
