Q195 Enquiry | Print this page
YB Q195 Details
YB Q195 Standard Download
| Category | Type | Grade | Designations |
|---|---|---|---|
| Grades | Structural Steel | Q195 | China - YB , YB 4027-1991 - Hot rolled wire rod |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.06 | 0.12 | ||
| Si | 0.12 | 0.2 | ||
| Mn | 0.25 | 0.5 | ||
| P | - | 0.04 | ||
| S | - | 0.04 | ||
| Cr | - | 0.3 | ||
| Ni | - | 0.3 | ||
| Cu | - | 0.3 | ||
| N | - | 0.0080 | ||
| As | - | 0.08 |
For mild steel wire drawing with no twist accused of cold rolled coil rod.
| 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) |
|---|---|---|---|---|---|---|
| 311 (≥) | 928 (≥) | 43 | 42 | 44 | 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 |
|---|---|---|---|---|---|---|---|
| 964 (≥) | 339 (≥) | 32 | 31 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 761 | 417 | 179 |
| 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 |
|---|---|---|---|
| Q195 | GB | China | Carbon structural steels |
| U11952 | GB | China | Carbon structural steels |
| Q195 | YB | China | Hot rolled wire rod |
| Q195 | GB/T | China | This standard applies to steel product standards, technical specifications of the finished product chemical composition of the provisions of the allowable deviation. |
| Q195 | YB | China | Carbon structural steel and low alloy steel hot-rolled steel belt |