AS 444 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 444 | AS | Australia |
Chemical composition % of the ladle analysis of grade 444
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | N(%) | Other(%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.025 | 1 | 1.00 | 0.04 | 0- 030 | 17.5-19.5 | Max 1.00 | 1.75-2.50 | Max 0.035 | Min Nb+Ti:0.20+4;(C+N) Max O.80 |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 497 (≥) | 567 (≥) | 24 | 24 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 357 (≥) | 191 (≥) | 22 | 21 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 972 | 193 | 763 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 176 S44400 | AS | Australia | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 240 S44400 | AS | Australia | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 268 S44400 | AS | Australia | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 276 S44400 | AS | Australia | Stainless Steel Bars and Shapes |
| A 554 S44400 | AS | Australia | Welded Stainless Steel Mechanical Tubing |
| A 580 S44400 | AS | Australia | Stainless Steel Wire |
| S44400 | AS | Australia | Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo) |
| SA-240 S44400 | AS | Australia | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-268 S44400 | AS | Australia | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| SA-276 S44400 | AS | Australia | Specification for Stainless Steel Bars and Shapes |
| SA-479 S44400 | AS | Australia | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 479 S44401 | AS | Australia | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
| A 493 S44401 | AS | Australia | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| A 580 S44401 | AS | Australia | Stainless Steel Wire |
| S44401 | AS | Australia | Chromium Molybdenum Stainless Steel |
| SUS 444 | AS | Australia | Hot-rolled stainless steel plates, sheet and strip |
| SUS 444 | AS | Australia | Cold-rolled stainless steel plate, sheet and strip |
| SUS 444 | AS | Australia | Hot-formed stainless steel sections |
| SUS 444 | AS | Australia | Cold-formed stainless steel sections |
| SUS 444 TB | AS | Australia | Stainless steel boiler and heat exchanger tubes |