AS 300Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | 300 | AS | Australia | 
Chemical composition%of the ladle analysis of grade300
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | 
|---|---|---|---|---|---|---|---|
| Max 0.22 | Max 0.55 | Max 1.70 | 0.040 | 0.03 | 0.3 | 0.5 | 0.1 | 
| 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) | 
|---|---|---|---|---|---|---|
| 619(≥) | 243(≥) | 44 | 44 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 244 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 987(≥) | 113(≥) | 44 | 34 | 11 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 133 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 766 | 666 | 912 | 
| 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 | 
|---|---|---|---|
| G3000 | AS | Australia | Cars and diesel engine cylinder block, cylinder head, flywheel and differential carrier medium castings, piston, brake hub and clutch plate  | 
| S20300 | AS | Australia | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications   | 
| A 314 S30300 | AS | Australia | Stainless Steel Billets and Bars for Forging  | 
| A 473 S30300 | AS | Australia | Stainless Steel Forgings  | 
| A 581 S30300 | AS | Australia | Free-Machining Stainless Steel Wire and Wire Rods   | 
| A 582 S30300 | AS | Australia | Standard Specification for Free-Machining Stainless Steel Bars  | 
| A 895 S30300 | AS | Australia | Standard Specification for Free-Machining Stainless Steel Bars  | 
| F 837 Class A1-50 S30300 | AS | Australia | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)  | 
| F 837 Class A1-55 S30300 | AS | Australia | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)  | 
| F 837 Class A1-70 S30300 | AS | Australia | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)  | 
| F738 Class A1-50 S30300 | AS | Australia | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs   | 
| F738 Class A1-70 S30300 | AS | Australia | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs   | 
| F738 Class A1-80 S30300 | AS | Australia | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs   | 
| F836 Class A1-50 S30300 | AS | Australia | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)  | 
| F836 Class A1-70 S30300 | AS | Australia | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)  | 
| F836 Class A1-80 S30300 | AS | Australia | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric)  | 
| S30300 | AS | Australia | Austenitic Chromium Nickel Free-Machining Stainless Steel  | 
| A 240 S43000 | AS | Australia | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications  | 
| A 268 S43000 | AS | Australia | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service  | 
| A 276 S43000 | AS | Australia | Stainless Steel Bars and Shapes  | 


