HMEnquiry|Print this page
| Category | Type | Steel grade | Country |
|---|---|---|---|
| Grades | Special Alloy | HM | Sweden |
Chemical composition%of the ladle analysis of gradeHM
| Co(%) |
|---|
| 7.5 |
| 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) |
|---|---|---|---|---|---|---|
| 252(≥) | 411(≥) | 32 | 24 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 234 |
| 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 |
|---|---|---|---|---|---|---|---|
| 866(≥) | 293(≥) | 34 | 13 | 42 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 321 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 137 | 458 | 445 |
| 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 213 N08925 | Sweden | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes | |
| A 240 N08925 | Sweden | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications | |
| A 276 N08925 | Sweden | Stainless Steel Bars and Shapes | |
| A 312 N08925 | Sweden | Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes | |
| A 479 N08925 | Sweden | Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels | |
| B 625 N08925 | Sweden | UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip | |
| B 649 N08925 | Sweden | Standard Specification for Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, UNS N08354, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire, and Ni-Cr-Fe-Mo-N Alloy (UNS N08936) Wire | |
| B 673 N08925 | Sweden | Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Pipe | |
| B 674 N08925 | Sweden | Standard Specification for UNS N08925, UNS N08354, and UNS N08926 Welded Tube | |
| B 677 N08925 | Sweden | UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube | |
| N08925 | Sweden | Nickel Iron Chromium Molybdenum Copper Alloy | |
| SB-625 N08925 | Sweden | UNS N08925, UNS N08031, UNS N08932, UNS N08926, UNS N08354, and UNS R20033 Plate, Sheet, and Strip | |
| SB-649 N08925 | Sweden | Specification for Ni-Fe-Cr-Mo-Cu Low-Carbon Alloy (UNS N08904), Ni-Fe-Cr-Mo-Cu-N Low-Carbon Alloys (UNS N08925, UNS N08031, and UNS N08926), and Cr-Ni-Fe-N Low-Carbon Alloy (UNS R20033) Bar and Wire | |
| SB-673 N08925 | Sweden | Specification for UNS N08904, UNS N08925 and N08926 Welded Pipe | |
| SB-674 N08925 | Sweden | Specification for UNS N08904, UNS N08925 and UNS N08926 Welded Tube | |
| SB-677 N08925 | Sweden | UNS N08925, UNS N08354, and UNS N08926 Seamless Pipe and Tube | |
| 20X12BHMΦ | Sweden | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition | |
| 15X12BHMΦ | Sweden | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition |