AS 420Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 420 | AS | Australia |
Chemical composition%of the ladle analysis of grade420
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.30-0.40 | 1 | 1.00 | 0.04 | 0.030 | 12.0-14.0 | Max 0.75 | Max 0.50 |
| 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) |
|---|---|---|---|---|---|---|
| 493(≥) | 743(≥) | 43 | 21 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 441 |
| 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 |
|---|---|---|---|---|---|---|---|
| 658(≥) | 694(≥) | 14 | 42 | 13 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 111 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 447 | 492 | 564 |
| 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 S44200 | AS | Australia | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| S44200 | AS | Australia | Ferritic Chromium Heat Resisting Steel |
| A 176 S42000 | AS | Australia | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 276 S42000 | AS | Australia | Stainless Steel Bars and Shapes |
| A 314 S42000 | AS | Australia | Stainless Steel Billets and Bars for Forging |
| A 473 S42000 | AS | Australia | Stainless Steel Forgings |
| A 580 S42000 | AS | Australia | Stainless Steel Wire |
| S42000 | AS | Australia | Martensitic Chromium Stainless Steel |
| A 895 S42020 | AS | Australia | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| S42020 | AS | Australia | Martensitic Chromium Stainless Steel |
| A 582 S42023 | AS | Australia | Standard Specification for Free-Machining Stainless Steel Bars |
| A 895 S42023 | AS | Australia | Free-Machining Stainless Steel Plate, Sheet, and Strip |
| S42023 | AS | Australia | Martensitic Chromium Stainless Steel |
| A 276 S42010 | AS | Australia | Stainless Steel Bars and Shapes |
| A 314 S42010 | AS | Australia | Stainless Steel Billets and Bars for Forging |
| A 493 S42010 | AS | Australia | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| A 959 S42010 | AS | Australia | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| F 899 S42010 | AS | Australia | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
| S42010 | AS | Australia | Hardenable Chromium Stainless Steel |
| SA-276 S42010 | AS | Australia | Specification for Stainless Steel Bars and Shapes |