ISO ISO H21 Enquiry | Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | ISO H21 | ISO | ISO | 
Chemical composition % of the ladle analysis of grade ISO H21
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) | Co(%) | Ti(%) | Other(%) | 
|---|---|---|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 1.0 | Max 1.0 | Max 0.015 | Max 0.02 | 18.0-21.0 | Remaining | Max 0.5 | Max 5.0 | 0.20-0.60 | Fe:Max 5.0 | 
| 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) | 
|---|---|---|---|---|---|---|
| 398 (≥) | 281 (≥) | 12 | 41 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 655 (≥) | 426 (≥) | 21 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 314 | |
| Temp. °C/°F  | 
                      Creep strain limit (10000h) (Rp1,0) N/mm2  | 
                      Creep rupture strength (10000h) (Rp1,0) N/mm2  | 
                      |||||
| 934 | 379 | 726 | 
| 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 | 
|---|---|---|---|
| GH2130 | ISO | ISO | Classification and designation for superalloys and high temperature intermetallic materials  | 
                  
| GH2132 | ISO | ISO | Classification and designation for superalloys and high temperature intermetallic materials  | 
                  
| GH2135 | ISO | ISO | Classification and designation for superalloys and high temperature intermetallic materials  | 
                  
| GH2136 | ISO | ISO | Classification and designation for superalloys and high temperature intermetallic materials  | 
                  
| 03X21H21M4ΓБ | ISO | ISO | Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition  | 
                  
| SUH21 | ISO | ISO | CNS standard heat resistant steel plate of the steel grade and chemical composition  | 
                  
| ISO H21 | ISO | ISO | Nickel and nickel alloy forgings  | 
                  
| H21 | ISO | ISO | Hot-Work Tool Steel  | 
                  
| H21 | ISO | ISO | Hot-Work Tool Steel  | 
                  

