ASTM A2 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | A2 | ASTM | USA |
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) |
|---|---|---|---|---|---|---|
| 955 (≥) | 845 (≥) | 12 | 42 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
| 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 |
|---|---|---|---|---|---|---|---|
| 353 (≥) | 656 (≥) | 31 | 13 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 348 | 893 | 242 |
| 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 | ASTM | USA | Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| A 959 S40800 | ASTM | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S40800 | ASTM | USA | Ferritic Chromium Stainless Steel |
| SA-268 S40800 | ASTM | USA | Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| NA2 | ASTM | USA | Specification for nickel-copper alloy castings |
| NA20 | ASTM | USA | Specification for nickel and nickel alloys: bar |
| NA21 | ASTM | USA | Specification for nickel and nickel alloys: bar |
| A2 | ASTM | USA | Stainless steels - Chemical composition |
| A2 | ASTM | USA | Cold-Work Tool Steel |
| IncoloyA-286 | ASTM | USA | Creep resisting steels, nickel and cobalt alloys |
