AS 420 Enquiry | Print this page
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- Type
- Steel grade
- Standard
- Country
- USE
Chemical composition % of the ladle analysis of grade 420
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
| 0.20-0.28 | 1 | 1.00 | 0.04 | 0.03 | 12.0-14.0 | Max 1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 159 (≥) | 935 (≥) | 12 | 22 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
| 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 |
|---|---|---|---|---|---|---|---|
| 555 (≥) | 936 (≥) | 13 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 914 | 746 | 958 |
| 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 | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
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| S44200 | Ferritic Chromium Heat Resisting Steel |
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| A 176 S42000 | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
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| A 276 S42000 | Stainless Steel Bars and Shapes |
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| A 314 S42000 | Stainless Steel Billets and Bars for Forging |
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| A 473 S42000 | Stainless Steel Forgings |
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| A 580 S42000 | Stainless Steel Wire |
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| S42000 | Martensitic Chromium Stainless Steel |
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| A 895 S42020 | Free-Machining Stainless Steel Plate, Sheet, and Strip |
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| S42020 | Martensitic Chromium Stainless Steel |
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| A 582 S42023 | Standard Specification for Free-Machining Stainless Steel Bars |
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| A 895 S42023 | Free-Machining Stainless Steel Plate, Sheet, and Strip |
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| S42023 | Martensitic Chromium Stainless Steel |
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| A 276 S42010 | Stainless Steel Bars and Shapes |
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| A 314 S42010 | Stainless Steel Billets and Bars for Forging |
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| A 493 S42010 | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
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| A 959 S42010 | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
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| F 899 S42010 | Standard Specification for Wrought Stainless Steels for Surgical Instruments |
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| S42010 | Hardenable Chromium Stainless Steel |
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| SA-276 S42010 | Specification for Stainless Steel Bars and Shapes |