AS 1144Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | 1144 | AS | Australia | 
Chemical composition%of the ladle analysis of grade1144
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | 
|---|---|---|---|---|
| 0.40-0.48 | Max 0.35 | 1.35-1.65 | 0.04 | 0.24-0.33 | 
| 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) | 
|---|---|---|---|---|---|---|
| 194(≥) | 521(≥) | 24 | 12 | 14 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 422 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 542(≥) | 347(≥) | 21 | 34 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 333 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 451 | 961 | 885 | 
| 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 | 
