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China GBT Structure Steel Q345,及該型號(hào)鋼材的基本信息、化學(xué)元素成分、機(jī)械性能、力學(xué)性能、熱處理溫度、同等型號(hào)參照表等。
China GBT Structure Steel Q345,及該型號(hào)鋼材的基本信息、化學(xué)元素成分、機(jī)械性能、力學(xué)性能、熱處理溫度、同等型號(hào)參照表等。
分類 | 種類 | 型號(hào) | 標(biāo)準(zhǔn) | 國(guó)家 | 應(yīng)用 |
---|---|---|---|---|---|
Steel Grades | Q345 | GBT | China | China structural steel and alloy steel |
元素名稱 | 含量比例值 |
---|---|
C | 0.18 |
Mn | 0.55 |
P | 0.025 |
S | 0.025 |
屈服強(qiáng)度Rp0.2(MPa) | 抗拉強(qiáng)度Rm(MPa) | 沖擊率 | 伸長(zhǎng)率 | 斷面收縮率 | 熱處理狀態(tài) | 布氏硬度(HBW) |
---|---|---|---|---|---|---|
952 (≥) | 981 (≥) | 33 | 22 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
溫度 | 彈性模量 | 系數(shù) | 熱導(dǎo)率 | 比熱容量 | 比電阻率 | 密度 | 加權(quán)系數(shù) |
---|---|---|---|---|---|---|---|
43 | - | - | 0.22 | - | |||
436 | 845 | - | 41.3 | 212 | - | ||
287 | - | 42 | 13.2 | 133 | 411 |
熱處理溫度區(qū)間 |
---|
Heat treated : 1212°C - 1492°C |
型號(hào) | 標(biāo)準(zhǔn) | 國(guó)家 | 應(yīng)用 |
---|---|---|---|
Q345q E | China | Bridge structure with steel | |
Q345q C | China | Bridge structure with steel | |
Q345q | GBT | China | China structural steel and alloy steel |
Q345q | GBT | China | China structural steel and alloy steel |
Q345q | GBT | China | China structural steel and alloy steel |
Q345 | GBT | China | China structural steel and alloy steel |
Q345 | GBT | China | China structural steel and alloy steel |
Q345 | GBT | China | China structural steel and alloy steel |
Q345 | GBT | China | China structural steel and alloy steel |
Q345 | GBT | China | China structural steel and alloy steel |
Q345GNH | GBT | China | China structural steel and alloy steel |
Q345GNHL | GBT | China | China structural steel and alloy steel |
Q345GJ-C | GBT | China | China structural steel and alloy steel |
Q345GJ-D | GBT | China | China structural steel and alloy steel |
Q345GJ-E | GBT | China | China structural steel and alloy steel |
Q345GJZ-C | GBT | China | China structural steel and alloy steel |
Q345GJZ-D | GBT | China | China structural steel and alloy steel |
Q345GJZ-E | GBT | China | China structural steel and alloy steel |