AS 444 Enquiry | Print this page
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- Type
- Steel grade
- Standard
- Country
- USE
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) |
|---|---|---|---|---|---|---|
| 748 (≥) | 462 (≥) | 14 | 43 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
| 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 |
|---|---|---|---|---|---|---|---|
| 458 (≥) | 156 (≥) | 22 | 42 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 253 | 556 | 535 |
| 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 | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
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| A 240 S44400 | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
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| A 268 S44400 | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
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| A 276 S44400 | Stainless Steel Bars and Shapes |
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| A 554 S44400 | Welded Stainless Steel Mechanical Tubing |
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| A 580 S44400 | Stainless Steel Wire |
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| S44400 | Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo) |
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| SA-240 S44400 | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
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| SA-268 S44400 | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
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| SA-276 S44400 | Specification for Stainless Steel Bars and Shapes |
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| SA-479 S44400 | Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
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| A 479 S44401 | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels |
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| A 493 S44401 | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
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| A 580 S44401 | Stainless Steel Wire |
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| S44401 | Chromium Molybdenum Stainless Steel |
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| SUS 444 | Hot-rolled stainless steel plates, sheet and strip |
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| SUS 444 | Cold-rolled stainless steel plate, sheet and strip |
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| SUS 444 | Hot-formed stainless steel sections |
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| SUS 444 | Cold-formed stainless steel sections |
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| SUS 444 TB | Stainless steel boiler and heat exchanger tubes |