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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | A2 | ASTM | USA |
Chemical composition%of the ladle analysis of gradeA2
| 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) |
|---|---|---|---|---|---|---|
| 178(≥) | 219(≥) | 22 | 32 | 33 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 124 |
| 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 |
|---|---|---|---|---|---|---|---|
| 757(≥) | 647(≥) | 23 | 24 | 42 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 344 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 116 | 173 | 127 |
| 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 |
