UNS S41800Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | S41800 | UNS | USA | 
Chemical composition%of the ladle analysis of gradeS41800
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | W(%) | 
|---|---|---|---|---|---|---|---|
| 0.15-0.20 | 0.5 | 0.5 | Max 0.04 | Max 0.03 | Max 0.03 | 1.8-2.2 | 2.5-3.5 | 
| 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) | 
|---|---|---|---|---|---|---|
| 913(≥) | 893(≥) | 42 | 32 | 14 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 422 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 434(≥) | 689(≥) | 11 | 22 | 44 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 212 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 329 | 422 | 973 | 
| 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 565 S41800 | UNS | USA | Martensitic Stainless Steel Bars for High-Temperature Service  | 
| S41800 | UNS | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel  | 
| A 565 S41800 | UNS | USA | Martensitic Stainless Steel Bars for High-Temperature Service  | 
| S41800 | UNS | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel  | 
| A 565 S41800 | UNS | USA | Martensitic Stainless Steel Bars for High-Temperature Service  | 
| S41800 | UNS | USA | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel  | 
