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| Category | Type | Steel grade | Standard | Country |
|---|---|---|---|---|
| Grades | Special Alloy | 30Cr | GBT | China |
Chemical composition%of the ladle analysis of grade30Cr
| C(％) | Si(％) | Mn(％) | Cr(％) |
|---|---|---|---|
| 0.27-0.34 | 0.17-0.37 | 0.50-0.80 | 0.80-1.00 |
| 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) |
|---|---|---|---|---|---|---|
| 984(≥) | 559(≥) | 44 | 14 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 144 |
| 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 |
|---|---|---|---|---|---|---|---|
| 859(≥) | 784(≥) | 22 | 43 | 21 | Solution and Aging,Annealing,Ausaging,Q+T,etc | 311 | |
| Temp. °C/°F | Creep strain limit (10000h) (Rp1,0)N/mm2 | Creep rupture strength (10000h) (Rp1,0)N/mm2 | |||||
| 358 | 647 | 267 |
| 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 |
|---|---|---|---|
| X 30 CrMoN 15-1, X30CrMoN15-1, 1.4108 | GBT | China | Stainless steels for rolled and forged products |
| X30Cr13 | GBT | China | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
| 1.4028 | GBT | China | Stainless steels - Technical delivery conditions for cold rolled strips and slit coils strip and sheets cut from such strips for pressure purposes |
| X30Cr13 | GBT | China | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 1.4028 | GBT | China | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| X30Cr13 | GBT | China | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 1.4028 | GBT | China | Open die steel forgings for general engineering purposes - Part 4: Stainless steels |
| 30CrNiMo8 | GBT | China | Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes |
| X30Cr13 | GBT | China | Stainless steels - Chemical composition |