China Q345b Cold Drawn Seamless Seamless Steel Tube for Decoration, Find details about China Square Steel Pipe, Steel Pipe from Q345b Cold Drawn Seamless Seamless Steel Tube for Decoration
Mechanical Property | |||
Delivery Condition | BKS Cold Drawn & Stress-Relieved | ||
Steel Grade | Rm MPa | ReH MPa | Elongation A5(%) |
ST45 | ≥520 | ≥375 | ≥15 |
ST52(E355) | ≥600 | ≥520 | ≥14 |
SAE1026 | ≥600 | ≥510 | ≥15 |
45# | ≥600 | ≥520 | ≥10 |
20# | ≥520 | ≥375 | ≥15 |
Mechanical Properties | ||
Steel Grade | Tensile Strength(N/mm²) | Yield Strength(N/mm²) |
STKM11A | ≥290 | - |
STKM12A | ≥340 | ≥175 |
STKM12B | ≥390 | ≥275 |
STKM12C | ≥470 | ≥355 |
STKM13A | ≥370 | ≥215 |
STKM13B | ≥440 | ≥305 |
STKM13C | ≥510 | ≥380 |
STKM14A | ≥410 | ≥245 |
STKM14B | ≥500 | ≥355 |
STKM14C | ≥550 | ≥410 |
STKM15A | ≥470 | ≥275 |
STKM15C | ≥580 | ≥430 |