產(chǎn)品詳情
| 牌號 | S355D易切削 光面鋼 |
| 對應(yīng)標準 |
ISO 683-18-2014 熱處理鋼、合金鋼和易切削鋼 -- 第18部分：光面鋼制品 Bright steel products |
| 歸類 | 合金鋼 |
S355D 化學(xué)元素成分含量(%)
| 成分 | C | Si | Mn | P | S ① | Cu ② | |
|---|---|---|---|---|---|---|---|
| t≤40mm | 最小值 | - | - | - | - | - | - |
| 最大值 | 0.2 | 0.55 | 1.6 | 0.03 | 0.03 | 0.55 |
| 成分 | C | Si | Mn | P | S ① | Cu ② | |
|---|---|---|---|---|---|---|---|
| 40mm＜t≤100mm | 最小值 | - | - | - | - | - | - |
| 最大值 | 0.22 | 0.55 | 1.6 | 0.03 | 0.03 | 0.55 |
① For long products. the max. S content may be increased for improved machinablility ba 0,005 % by agreement if the steel is treated to modify the sulphide morphology and if the chemical comb shows min 0,0020 % Ca.
② Cu contenl above 0,40 % can cause hot shortness during hot bing.
② Cu contenl above 0,40 % can cause hot shortness during hot bing.
S355D 機械性能
|
厚度 t mm |
熱處理或狀態(tài) |
抗拉強度 σb Mpa |
屈服點 σs Mpa |
斷后伸長率或延伸率 δ % |
硬度 HBW |
|---|---|---|---|---|---|
| 5≤t≤10 | Cold drawn (+C) | 630~950 | ≥520 | ≥6 | |
| 10＜t≤16 | Cold drawn (+C) | 580~880 | ≥450 | ≥7 | |
| 16＜t≤40 | Cold drawn (+C) | 530~850 | ≥350 | ≥8 | |
| 40＜t≤63 | Cold drawn (+C) | 500~770 | ≥335 | ≥9 | |
| 63＜t≤100 | Cold drawn (+C) | 470~740 | ≥315 | ≥9 | |
| 16＜t≤100 | As-rolled + peeled (+SH) | 470~630 |
