JIS E4Enquiry|Print this page
| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | E4 | JIS | Japan |
Chemical composition%of the ladle analysis of gradeE4
| W(%) | Co(%) |
|---|---|
| 87-92 | 8-13 |
Hardness quartile HRA: 87
Bending strength frequency/MPa: 1667
| 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) |
|---|---|---|---|---|---|---|
| 974(≥) | 815(≥) | 12 | 13 | 24 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 221 |
| 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 |
|---|---|---|---|---|---|---|---|
| 247(≥) | 794(≥) | 34 | 34 | 12 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 231 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 131 | 756 | 378 |
| 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 |
|---|---|---|---|
| Rene 41 | JIS | Japan | These products have been used typically for parts requiring high strength up to 1600 °F (871 °C) and oxidation resistance up to 1800 °F (982 °C), but usage is not limited to such applications |
| A 240 S41008 | JIS | Japan | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 473 S41008 | JIS | Japan | Stainless Steel Forgings |
| A 554 S41008 | JIS | Japan | Welded Stainless Steel Mechanical Tubing |
| A 815 CRS41008 | JIS | Japan | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 815 WPS41008 | JIS | Japan | Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings |
| S41008 | JIS | Japan | Martensitic Chromium Stainless Steel (Hardenable by Heat Treatment, Low Carbon) |
| SA-240 S41008 | JIS | Japan | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| SA-815 CRS41008 | JIS | Japan | Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings |
| SA-815 WPS41008 | JIS | Japan | Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings |
| A 276 S41040 | JIS | Japan | Stainless Steel Bars and Shapes |
| S41040 | JIS | Japan | Martensitic Chromium Stainless Steel with Columbium |
| A 176 S41050 | JIS | Japan | Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip |
| A 240 S41050 | JIS | Japan | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 959 S41050 | JIS | Japan | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| S41050 | JIS | Japan | Ferritic Chromium Stainless Steel with Nickel |
| SA-240 S41050 | JIS | Japan | Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 565 S41800 | JIS | Japan | Martensitic Stainless Steel Bars for High-Temperature Service |
| S41800 | JIS | Japan | Martensitic Chromium Wolfram Nickel Stainless and Heat Resisting Steel |
| A 582 S42023 | JIS | Japan | Standard Specification for Free-Machining Stainless Steel Bars |