UNE P355NHEnquiry|Print this page
| Category | Type | Steel grade | Standard | Country | 
|---|---|---|---|---|
| Grades | Special Alloy | P355NH | UNE | Spain | 
Chemical composition%of the ladle analysis of gradeP355NH
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | N(%) | Cu(%) | Nb(%) | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.20 | 0.10~0. 50 | 0. 90-1.65 | 0.025 | 0.015 | 0.30 | <0.30 | 0. 08 | <0.10 | <0.020 | <0.20 | <0.05 | 
| 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) | 
|---|---|---|---|---|---|---|
| 797(≥) | 217(≥) | 12 | 31 | 32 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 333 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 844(≥) | 265(≥) | 22 | 23 | 22 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 442 | |
| Temp. °C/°F  | Creep strain limit (10000h) (Rp1,0)N/mm2  | Creep rupture strength (10000h) (Rp1,0)N/mm2  | |||||
| 113 | 616 | 214 | 
| 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 | 
