寶山鋼鐵股份有限公司(簡(jiǎn)稱“寶鋼股份”)是中國(guó)最大、最現(xiàn)代化的鋼鐵聯(lián)合企業(yè)。寶鋼股份以其誠(chéng)信、人才、創(chuàng)新、管理、技術(shù)諸方面綜合...
Romania STAS/SR Structure Steel OL7.4,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。
Romania STAS/SR Structure Steel OL7.4,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(lèi) | 種類(lèi) | 型號(hào) | 標(biāo)準(zhǔn) | 國(guó)家 | 應(yīng)用 |
---|---|---|---|---|---|
Steel Grades | OL7.4 | STAS/SR | Romania | Structural steel |
元素名稱 | 含量比例值 |
---|---|
C | 0.17 |
Si | 0.40 |
Mn | 0.80 |
P | 0.040 |
S | 0.040 |
Cr | 0.3 |
Ni | 0.3 |
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) |
---|---|---|---|---|---|---|
963 (≥) | 556 (≥) | 22 | 14 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
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) |
---|---|---|---|---|---|---|---|
31 | - | - | 0.34 | - | |||
616 | 154 | - | 41.3 | 131 | - | ||
387 | - | 14 | 41.2 | 322 | 214 |
熱處理溫度區(qū)間 |
---|
Heat treated : 1329°C - 1458°C |
型號(hào) | 標(biāo)準(zhǔn) | 國(guó)家 | 應(yīng)用 |
---|---|---|---|
OL7.4 | STAS/SR | Romania | Structural steel |
OL70.1 | STAS/SR | Romania | Structural steel |
Q345q E | China | Bridge structure with steel | |
Q345q C | China | Bridge structure with steel | |
4CrW2Si | China | Alloy tool steel - Impact resistance tool steel | |
Cr4W2MoV | China | Alloy tool steel - cold work steels | |
6W6Mo5Cr4V | China | Alloy tool steel - Impact resistance tool steel | |
5Cr4W5Mo2V | China | Alloy tool steel - hot-work die steel | |
4CrMnSiMoV | China | Alloy tool steel - hot-work die steel | |
4Cr3Mo3SiV | China | Alloy tool steel - hot-work die steel | |
4Cr5MoSiV | China | Alloy tool steel - hot-work die steel | |
4Cr5MoSiV1 | China | Alloy tool steel - hot-work die steel | |
4Cr5W2VSi | China | Alloy tool steel - hot-work die steel | |
SM45 | China | Plastic mould with flat steel | |
SM50 | China | Plastic mould with flat steel | |
SM4Cr5MoSiV | China | Plastic mould with flat steel | |
SM4Cr5MoSiV1 | China | Plastic mould with flat steel | |
SM4Cr13 | China | Plastic mould with flat steel | |
SM45A | China | Plastic mould with Hot-rolled steel plate | |
SM48 | China | Plastic mould with Hot-rolled steel plate |