Cold Drawn 303 Stainless Steel Hexagon Bar 2.4460 ASTM JIS GB DIN Standard
Brand Name:DELTA
Certification:ISO 9001
Model Number:201 303 304 316l 410 420 431 630.etc
Minimum Order Quantity:500 kgs
Delivery Time:5 - 12 days based on the quantity
Payment Terms:L/C, T/T, Western Union
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ASTM JIS GB DIN Standard Grade 303 Stainless Steel Bar / Hexagonal Steel Bar 2.4460
Product Description:
| Product Name | stainless steel hexagon bar |
| Standard | JIS, AISI, ASTM, GB, DIN |
| Size | Diameter : S6-S65mm or as request |
| Length | Normal long 4M, Or as your request |
| Surface | Bright ,hairline finsh |
| Technics | cold drawn and polishing |
| Application | construction field, ships building industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchanger, machinery and hardware fields ,etc. |
| Packing | Export standard or as customers' requirement |
| Delivery time | Within 15 working days, according to customers' quantities |
| Payment | L/C or T/T |
| MQQ | 1 Ton |
| Quality | High Quality.SGS inspection is accepted if needed |
| Productivity | 500 Tons/Month |
| Attention | We will supply you good quality and bottom price and first-class service in china and hope to be your golden supplier |
Stainless Steel 303
Stainless Steel 303 is a free machining non-magnetic austenitic alloy specially designed for improved machinability while maintaining good mechanical and corrosion resistant properties. AISI 303 is cannot be hardened by heat treatment, but tensile and hardness can be increased by cold working with subsequent reduction in ductility.The sulfur addition which is responsible for the improved machining and galling characteristics of Grade 303 lowers its corrosion resistance to below that of Grade 304. However, fairly resistant to general atmospheric corrosion, general foodstuffs, sterilizing solutions, dyestuffs, most organic chemicals, but has very limited resistance to acids.
Chemical Properties:
| Elements | Cr | Ni | C | Si | Mn | P | S | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|
| % | min: 17.0 ,max:19.0 | min: 8.0 ,max: 10.0 | 0.15 max | 1.00 max | 2.0 max | 0.20 max | 0.15 min | 0.75 | balance |
Mechanical Properties:
| Tensile Strength ksi (min.) | Yield Strength 0.2% Offset ksi (min.) | Elongation - % in 50 mm (min.) | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|
| 75 | 30 | 35 | 228 | - |
Physical Properties:
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Electrical Resistivity mW-in | Thermal Conductivity BTU/hr-ft-°F | Melting Range | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| at 68 °F | at 68 – 212°F | at 68 – 932°F | at 68 – 1450°F | at 68°F | at 212°F | at 392°F | at 752°F | at 1112°F | at 1472°F | at 68 – 212°F | - |
| 0.29 | 9.2 | 10.4 | 10.9 | 28.3 | 30.7 | 33.8 | 39.4 | 43.7 | 47.6 | 113.2 | 2552°F |
Equivalent Grades and Designations:
| SAE / AISI | 303 |
| UNS | S30300 |
| EN Material Number | 1.4305 |
| EN Material Name | X8CrNiS18-9 |
| DIN Material Name | X8CrNiS18-9 |
| JIS | SUS 303 |
| BS | 202S 21 En58M |
Heat Resistance:
- Good oxidation resistance at temperatures up to 1700oF (927 oC)
- Continuous use at temperatures above 1400oF (760oC) is not usually recommended due to carbide precipitation which can lead to irregular scaling
- Does not have a low carbon content so it is also vulnerable to sensitization
Welding Characteristics:
- Not generally recommended, but may be welded with some difficulty
- May be welded with Alloy 310 electrodes
- Should be annealed after welding to re-dissolve precipitated carbides
Machinability:
- High machining rates can be obtained in the annealed condition with hardness in the range of 200 to 240 Brinell
- Will work harden; therefore, it should be machined at reduced surface feet per minute and heavier feeds to prevent glazing at the tool interface.
Applications:
- Nuts and bolts
- Aircraft fittings
- Gears
- Screws
- Shafts
- Electrical switchgear components
- Bushings
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Cold Drawn 303 Stainless Steel Hexagon Bar 2.4460 ASTM JIS GB DIN Standard
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