宝钢进口JIS高强度热轧S40C卷板碳素结构钢

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">宝钢进口JIS<*n style="font-family:宋体">高强度热轧<*n style="font-family:Calibri">S40C<*n style="font-family:宋体">卷板碳素结构钢

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">上海有象貿易发展有限公司是一家集钢材贸易、切割派送、机械零件加工为一体的智能化货运物流*企业。主要钢种有SK5<*n style="font-family:宋体">、<*n style="font-family:Calibri">SK4<*n style="font-family:宋体">、<*n style="font-family:Calibri">65Mn<*n style="font-family:宋体">、<*n style="font-family:Calibri">45Mn<*n style="font-family:宋体">、<*n style="font-family:Calibri">40Mn<*n style="font-family:宋体">、<*n style="font-family:Calibri">20Mn<*n style="font-family:宋体">、<*n style="font-family:Calibri">20Mn<*n style="font-family:宋体">、<*n style="font-family:Calibri">20MnSi<*n style="font-family:宋体">、<*n style="font-family:Calibri">60Si2MN<*n style="font-family:宋体">、<*n style="font-family:Calibri">60Si2MN<*n style="font-family:宋体">、<*n style="font-family:Calibri">10<*n style="font-family:宋体">、<*n style="font-family:Calibri">20<*n style="font-family:宋体">、<*n style="font-family:Calibri">35<*n style="font-family:宋体">、<*n style="font-family:Calibri">45<*n style="font-family:宋体">、<*n style="font-family:Calibri">45<*n style="font-family:宋体">钢、<*n style="font-family:Calibri">50<*n style="font-family:宋体">钢、<*n style="font-family:Calibri">50<*n style="font-family:宋体">、<*n style="font-family:Calibri">50<*n style="font-family:宋体">钢、<*n style="font-family:Calibri">60<*n style="font-family:宋体">、<*n style="font-family:Calibri">70<*n style="font-family:宋体">、<*n style="font-family:Calibri">70<*n style="font-family:宋体">、<*n style="font-family:Calibri">CK70<*n style="font-family:宋体">、<*n style="font-family:Calibri">CK70<*n style="font-family:宋体">、<*n style="font-family:Calibri">CK75<*n style="font-family:宋体">、<*n style="font-family:Calibri">CK75<*n style="font-family:宋体">、<*n style="font-family:Calibri">CK75<*n style="font-family:宋体">、<*n style="font-family:Calibri">20Cr<*n style="font-family:宋体">、<*n style="font-family:Calibri">20CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">20CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">15CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">35CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">40CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">40CrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">40CrCrMo<*n style="font-family:宋体">、<*n style="font-family:Calibri">50CrVa<*n style="font-family:宋体">、<*n style="font-family:Calibri">50CrVa<*n style="font-family:宋体">、<*n style="font-family:Calibri">9CrCrVa<*n style="font-family:宋体">、<*n style="font-family:Calibri">9Si<*n style="font-family:宋体">、<*n style="font-family:Calibri">08f<*n style="font-family:宋体">、<*n style="font-family:Calibri">hg5<*n style="font-family:宋体">、<*n style="font-family:Calibri">hg10<*n style="font-family:宋体">、<*n style="font-family:Calibri">hg10<*n style="font-family:宋体">、<*n style="font-family:Calibri">hg15<*n style="font-family:宋体">、<*n style="font-family:Calibri">195q5q5qa<*n style="font-family:宋体">、<*n style="font-family:Calibri">q5qa<*n style="font-family:宋体">、<*n style="font-family:Calibri">*a<*n style="font-family:宋体">、<*n style="font-family:Calibri">*qa<*n style="font-family:宋体">、<*n style="font-family:Calibri">q5*a<*n style="font-family:宋体">、<*n style="font-family:Calibri">*5a<*n style="font-family:宋体">、<*n style="font-family:Calibri">q235<*n style="font-family:宋体">、<*n style="font-family:Calibri">spcc<*n style="font-family:宋体">、<*n style="font-family:Calibri">sphc<*n style="font-family:宋体">、叶片材料、锯片材料、垫片材料、辊材、鞋头材料、箱材等。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">碳素结构钢是碳素钢的一种。碳含量约为0.05%~0.70%<*n style="font-family:宋体">，分别达到<*n style="font-family:Calibri">0.90%<*n style="font-family:宋体">。可分成一般碳素钢和*碳素钢两大类。两者含残渣较多，*，用以对特性规定太低的地区，它的碳含量大部分在<*n style="font-family:Calibri">0.30<*n style="font-family:宋体">％下列，含锰量不超出<*n style="font-family:Calibri">0.80<*n style="font-family:宋体">％，*压强度较低，但塑性变形、延展性、冷形变特性好。除少数状况外，通常未作调质处理，立即应用。那些大部分是用带钢、异型钢、钢板等制成的。有许多用途和大量用途。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">化学成分：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">碳碳:0.37 ~ 0.43

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">硅 Si<*n style="font-family:宋体">：<*n style="font-family:Calibri">0.15<*n style="font-family:宋体">～<*n style="font-family:Calibri">0.35

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">锰 Mn<*n style="font-family:宋体">：<*n style="font-family:Calibri">0.60<*n style="font-family:宋体">～<*n style="font-family:Calibri">0.90

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">硫 S <*n style="font-family:宋体">：≤<*n style="font-family:Calibri">0.030

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">磷 P <*n style="font-family:宋体">：≤<*n style="font-family:Calibri">0.030

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">铬 Cr<*n style="font-family:宋体">：≤<*n style="font-family:Calibri">0.25

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">镍 Ni<*n style="font-family:宋体">：≤<*n style="font-family:Calibri">0.25

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">铜 Cu<*n style="font-family:宋体">：≤<*n style="font-family:Calibri">0.25

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">物理性能：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">*拉强度 <*n style="font-family:宋体">σ<*n style="font-family:Calibri">b (MPa)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">590(60)

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">屈服强度 <*n style="font-family:宋体">σ<*n style="font-family:Calibri">s (MPa)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">355(36)

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">伸长率 <*n style="font-family:宋体">δ<*n style="font-family:Calibri">5 (%)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">17

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">断面收缩率 <*n style="font-family:宋体">ψ<*n style="font-family:Calibri"> (%)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">45

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">冲击功 Akv (J)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">47

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">冲击韧性值 <*n style="font-family:宋体">α<*n style="font-family:Calibri">kv (J/cm<*n style="font-family:宋体">²<*n style="font-family:Calibri">)<*n style="font-family:宋体">：≥<*n style="font-family:Calibri">59(6)

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">硬度：未热处理≤<*n style="font-family:Calibri">229HB;<*n style="font-family:宋体">退火钢≤<*n style="font-family:Calibri">207HB

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">试样尺寸：试样尺寸为25mm

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">热处理规范及金相*：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">热处理规范：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">正火,860<*n style="font-family:宋体">℃<*n style="font-family:Calibri">;<*n style="font-family:宋体">淬火<*n style="font-family:Calibri">,840<*n style="font-family:宋体">℃<*n style="font-family:Calibri">;<*n style="font-family:宋体">回火<*n style="font-family:Calibri">,600<*n style="font-family:宋体">℃

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">特性：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">结构钢具备较高的*压强度和优良的钻削性，冷形变塑性变形中等水平，电焊焊接性不太好，经热处理淬火后可电焊焊接，调质处理时无淬火延性，但淬透性低。作为承担负载很大的小横截面时效处理件或地应力较小的大中型淬火零部件及其对心部*压强度规定不高，表层*损的表面淬火件。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体">S40C<*n style="font-family:宋体">主要用途：

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">主要用于铁路、公路桥梁、各种工程建筑，生产制造承担静荷载的各种各样金属结构及不关键不用调质处理的机械零部件和通常焊件。*碳素钢钢制纯粹，残渣少，物理性能好，可经调质处理后应用。

<*n style="font-size:10.5pt"><*n style="font-family:Calibri"><*n style="font-size:10.5000pt"><*n style="font-family:宋体"><*n style="font-family:宋体">联系人：小邢：18964437804   021-56395608