ASTM A2 Enquiry | Print this page
- Category
- Type
- Steel grade
- Standard
- Country
- USE
Chemical composition % of the ladle analysis of grade A2
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Mo(％) | V(%) |
| 0.95～1.05 | 0.10～0.50 | 0.40～1.00 | ≤0.030 | ≤0.030 | 4.75～5.50 | 0.90～1.40 | 0.15～0.50 |
| 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) |
|---|---|---|---|---|---|---|
| 842 (≥) | 529 (≥) | 42 | 11 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 341 |
| 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 |
|---|---|---|---|---|---|---|---|
| 344 (≥) | 754 (≥) | 33 | 41 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
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| 538 | 879 | 748 |
| 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 268 S40800 | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
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| A 959 S40800 | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
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| S40800 | Ferritic Chromium Stainless Steel |
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| SA-268 S40800 | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
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| NA2 | Specification for nickel-copper alloy castings |
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| NA20 | Specification for nickel and nickel alloys: bar |
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| NA21 | Specification for nickel and nickel alloys: bar |
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| A2 | Stainless steels - Chemical composition |
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| A2 | Cold-Work Tool Steel |
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| IncoloyA-286 | Creep resisting steels, nickel and cobalt alloys |
