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Grade 446 Stainless Steel Sheets Metal UNS S44600 EN 1.4763 overview
17-4 stainless is an age-hardening martensitic stainless combining
high strength with the corrosion resistance of stainless steel.
Hardening is achieved by a short-time, simple low-temperature
treatment. Unlike conventional martensitic stainless steels, such
as type 410, 17-4 is quite weldable. The strength, corrosion
resistance and simplified fabrication can make 17-4 stainless a
cost-effective replacement for high strength carbon steels as well
as other stainless grades.
At the solution treating temperature, 1900°F, the metal is
austenitic but undergoes transformation to a low-carbon martensitic
structure during cooling to room temperature. This transformation
is not complete until the temperature drops to 90°F. Subsequent
heating to temperatures of 900-1150°F for one to four hours
precipitation strengthens the alloy. This hardening treatment also
tempers the martensitic structure, increasing ductility and
toughness.
ASTM A 240, ASTM A 276, ASTM A 276 Condition A, ASTM A 276 Condition S, EN 1.4763, UNS S44600, Werkstoff 1.4763
| AISI 446 | ASTM A511 | ASME SA268 |
| ASTM A176 | ASTM A815 | ASTM A580 |
| ASTM A268 | DIN 1.4762 | FED QQ-S-763 |
| ASTM A276 | QQ S763 | FED QQ-S-766 |
| ASTM A314 | QQ S766 | MIL SPEC MIL-S-862 |
| ASTM A473 | SAE J405 (51446) |
Some Normal specification at a glance
| ASTM | JIS | AISI | EN | |
| Grade | S30100 | SUS301 | 301 | 1.431 |
| S30400 | SUS304 | 304 | 1.4301 | |
| S30403 | - | 304L | 1.4307 | |
| S31008 | SUS310S | 310S | 1.4845 | |
| S31603 | - | 316L | 1.4404 | |
| S32100 | SUS321 | 321 | 1.4541 | |
| S41008 | SUS410S | 410S | - | |
| S43000 | SUS430 | 430 | 1.4016 | |
| S43932 | - | - | 1.451 | |
| S44400 | SUS444 | 444 | 1.4521 | |
| S44500 | SUS430J1L | - | - |
Dimension Ranges:
Width: 600mm~2030 mm
Thickness: 0.1~120.0 mm
Length: 300~6000 mm , Max 18000 mm
Surface Finish: No.1, 2B, BA, No.3, No.4, No.5, No.8, HL, Etching, SB, Ti-coating,color-coating ,embossing .
Stainless steel grade 17-7 PH finds uses in the following:
| AISI 446 equivalents | |
| ASTM A176 Grade 446 | ASTM A815 Grade WP446 |
| ASTM A268 Grade TP446-1 | ASTM A959 Grade S44600 |
| ASTM A268 Grade 446 | DIN 1.4762 |
| ASTM A268 Grade TP446-2 | DIN X10CrAl24 |
| ASTM A276 Grade S44600 | AFNOR Z10CAS24 |
| ASTM A314 Grade S44600 | UNI X16Cr26 |
| ASTM A473 Grade 446 | SS 2322 |
| ASTM A511 Grade MT446-1 | SAE 446 |
| ASTM A511 Grade MT446-2 | JIS SUH446 |
| EN 1.4762 | EN X10CrAlSi25 |
| UNS S44600 | ASTM A580 Grade S44600 |
The chemical composition of grade 446 stainless steel is outlined in the following table.
| Element | Content (%) |
|---|---|
| Iron, Fe | 73 |
| Chromium, Cr | 23.0 - 27.0 |
| Manganese, Mn | 1.50 |
| Silicon, Si | 1.0 |
| Nickel, Ni | 0.25 |
| Carbon, C | 0.20 |
| Phosphorous, P | 0.040 |
| Sulfur, S | 0.030 |
The following table shows the physical properties of grade 446 stainless steel.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.80 g/cm3 | 0.282 lb/in³ |
The mechanical properties of grade 446 stainless steel are displayed in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 550 MPa | 79800 psi |
| Yield strength (@strain 0.200%) | 345 MPa | 50000 psi |
| Elastic modulus | 200 GPa | 29000 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 20% | 20% |
| Hardness, Brinell (estimated from Rockwell B) | 159 | 159 |
| Hardness, Knoop (estimated from Rockwell B) | 173 | 173 |
| Hardness, Rockwell A (estimated from Rockwell B) | 51.1 | 51.1 |
| Hardness, Rockwell B | 83 | 83 |
| Hardness, Vickers (estimated from Rockwell B) | 159 | 159 |
The thermal properties of grade 446 stainless steel are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@0-100°C/32-212°F) | 10.4 µm/m°C | 5.78 µin/in°F |
| Thermal conductivity | 21.6 W/mK | 150 BTU in/hr.ft².°F |
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free . Freight charge collect
