AS 250Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 250 | AS | Australia |
Chemical composition%of the ladle analysis of grade250
| C(％) | Si(％) | P(％) | S(％) |
|---|---|---|---|
| 0.25 | 0.4 | 0.04 | 0.04 |
| 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) |
|---|---|---|---|---|---|---|
| 418(≥) | 923(≥) | 21 | 41 | 13 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 434 |
| 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 |
|---|---|---|---|---|---|---|---|
| 929(≥) | 735(≥) | 42 | 34 | 23 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 233 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 447 | 557 | 184 |
| 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 |
|---|---|---|---|
| G2500 | AS | Australia | Used in the products of the automobile, truck, tractor, and allied industries; small cylinder blocks, cylinder heads, air cooled cylinders, pistons, clutch plates, oil pump bodies, transmission cases, gear boxes, clutch housings, and light-duty brake drum |
| G2500a | AS | Australia | Used in the products of the automobile, truck, tractor, and allied industries |
| A 213 S21500 | AS | Australia | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 959 S21500 | AS | Australia | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S21500 | AS | Australia | Austenitic Chromium Manganese Nickel Molybdenum Stainless Steel |
| SA-213 S21500 | AS | Australia | Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 Type 2507 | AS | Australia | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 270 2507 | AS | Australia | Seamless and Welded Austenitic Stainless Steel Sanitary Tubing |
| A 790 Type 2507 | AS | Australia | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| A 928 Type 2507 | AS | Australia | Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| A 959 Type 2507 | AS | Australia | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| SA-240 Type 2507 | AS | Australia | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-790 Type 2507 | AS | Australia | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
| A 646 Grade Marage 250 | AS | Australia | Premium Quality Alloy Steel Blooms and Billets for Aircraft and Aerospace Forgings |
| Marage 250 | AS | Australia | Steel, Bars, Forgings, Tubing, and Rings 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed |
| Marage 250 | AS | Australia | Steel, Maraging, Sheet, Strip, and Plate 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10AI Consumable Electrode Melted, Solution Heat Treated |
| Marage 250 | AS | Australia | Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging |
| Marage 250 | AS | Australia | Steel, Bars, Forgings, Tubing, and Rings 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10Al Consumable Electrode Vacuum Melted, Annealed |
| Marage 250 | AS | Australia | Steel, Maraging, Sheet, Strip, and Plate 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10AI Consumable Electrode Melted, Solution Heat Treated |
| Marage 250 | AS | Australia | Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging |