UNS 41600 / 416 Stainless Steel Round Bar Hot Rolled / Cold Drawn Stainless Steel Bar
UNS 41600 / 416 Stainless Steel Round Bar Hot Rolled / Cold Drawn Stainless Steel Bar
| Products | Stainless Steel Bar |
| Grade | 416 |
| Diameter | 5 - 350mm |
| Length | 6m or custom cutting any length as request |
| Finishing | Bright Bar / Black Surface |
| Heat Treatment | Solid Solution , ageing |
| Surface Process | Polishing , Peeling |
| Other Grade |
201 303 304 304L 309S 310S 316L 316Ti 317L 321 347 410 420 430 431 2205 2507 904L 254SMO 416 431 440A/B/C.etc |
| MOQ | 500 Kgs |
| Loading Port | Shanghai Port |
| Processing | Cutting |
| Packing | Wooden box or wrapping by PP bag |
Grade 416 steel is a free-machining stainless steel with a machinability of 85%, the highest of all stainless steel. With most of the free-machining stainless steels, adding sulfur can improve the machinability, leading to manganese sulfide inclusions. The addition of sulfur also reduces the formability, weldability, and corrosion resistance of 416 steel to below that of grade 410. Because of their high machinability and low cost, grade 416 steel is available in highly tempered, hardened, or unhardened forms.
| COND A | STOCKING DIAMETERS | 1/2” TO 14” |
|---|---|---|
| MATERIAL LENGTHS | UP TO 24’ | |
| COND HT 255-302 BHN STRESS RELIEVED |
STOCKING DIAMETERS | 1/2” TO 8-1/2” |
| MATERIAL LENGTHS | UP TO 24’ |
| UNS | TYPE | AMS | ASTM | FEDERAL | CHARACTERISTICS |
|---|---|---|---|---|---|
| S41600 | 416 | 5610 | A-314 A-582 |
QQ-S-763 | Corrosion resistance with rapid, free machinability, heat treatment to 35 RC min. 416 Heat Treat is pre-heat treated. |
| C | MN | P | S | SI | CR | NI | MO | CU | OTHER | M/NM |
|---|---|---|---|---|---|---|---|---|---|---|
| .15 | 1.25 | .06 | .15 Min. | 1. | 12. – 14. | .5 | .6 | .5 | M |
Mechanical properties of grade 416 stainless steels
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) |
Elongation (% in 50mm) |
Hardness Brinell (HB) |
Impact Charpy V (J) |
| Annealed * | 517 | 275 | 30 | 262 | - |
| Condition T ** | 758 | 586 | 18 | 248-302 | - |
| 204 | 1340 | 1050 | 11 | 388 | 20 |
| 316 | 1350 | 1060 | 12 | 388 | 22 |
| 427 | 1405 | 1110 | 11 | 401 | # |
| 538 | 1000 | 795 | 13 | 321 | # |
| 593 | 840 | 705 | 19 | 248 | 27 |
| 650 | 796 | 670 | 17.5 | 253 | 38 |
* Annealed properties are typical for Condition A of ASTM A582.
** Hardened and tempered Condition T of ASTM A582 - Brinell hardness is specified range, other properties are typical only.
# Tempering of this steel at temperatures of 400 to 580°C should be avoided due to low impact resistance.
Physical Properties
The key physical properties of annealed grade 416 stainless steels are tabulated below:
Table 3 - Physical properties of annealed grade 416 stainless steel
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 416 | 7800 | 200 | 9.9 | 11 | 11.5 | 24.9 | 28.7 | 460 | 570 |
Grade Specification Comparison
The following table outlines the grade comparisons for 416 stainless steels:
Table 4 - Grade specifications for grade 416 stainless steels
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 416 | S41600 | 416S21 | 56AM | 1.4005 | X12CrS13 | 2380 | SUS 416 |
Applications
Some of the major applications of grade 416 stainless steels are listed below:
- Valves, pump shafts and motor shafts
- Parts of washing machines
- Gears, bolts, nuts and studs
- Automatic screw-machined components
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