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![ढलवाँ इस्पात](/images/uploads/142bd150-2d5d-492c-823f-7673da18bb23/cast-steel-category-sand-cast-surface-1920x1080.jpg)

श्रेणी · 59 ग्रेड

# ढलवाँ इस्पात

ढलवाँ इस्पात वह लौह-आधारित सामग्री है, जो अवयव बनाने के लिए इस्पात को साँचों में डालकर निर्मित की जाती है। इसमें कास्टिंग की आकार-निर्माण लचक और इस्पात से संबद्ध सामर्थ्य तथा टफनेस का संयोजन होता है, जिससे यह मशीनरी अवयवों, संरचनात्मक कास्टिंग और औद्योगिक उपकरण जैसे जटिल, भारी-भारित पुर्जों के लिए उपयुक्त होता है।

| ग्रेड | सामग्री संख्या | C | P | S | Mn | Si | Cr |
|---|---|---|---|---|---|---|---|
| [SCMnCr3](/hi/सामग्री/jis/scmncr3 "SCMnCr3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH23](/hi/सामग्री/jis/scph23 "SCPH23") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCMnM3](/hi/सामग्री/jis/scmnm3 "SCMnM3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | max 0.2 |
| [SCPH1-CF](/hi/सामग्री/jis/scph1-cf "SCPH1-CF") | — | max 0.22 | max 0.04 | max 0.04 | max 1.1 | max 0.6 | max 0.25 |
| [SCMnH1](/hi/सामग्री/jis/scmnh1 "SCMnH1") | — | 0.9 - 1.3 | max 0.1 | max 0.05 | 11 - 14 | — | — |
| [SCPH32-CF](/hi/सामग्री/jis/scph32-cf "SCPH32-CF") | — | max 0.15 | max 0.03 | max 0.03 | 0.3 - 0.6 | max 0.6 | 1.9 - 2.6 |
| [SCMnH3](/hi/सामग्री/jis/scmnh3 "SCMnH3") | — | 0.9 - 1.2 | max 0.05 | max 0.035 | 11 - 14 | 0.3 - 0.8 | — |
| [SCMnH12](/hi/सामग्री/jis/scmnh12 "SCMnH12") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 16 - 19 | 0.3 - 0.9 | 1.5 - 2.5 |
| [SCMnH33](/hi/सामग्री/jis/scmnh33 "SCMnH33") | — | 0.7 - 1 | max 0.07 | max 0.045 | 13 - 15 | 0.3 - 0.6 | — |
| [SCPL31](/hi/सामग्री/jis/scpl31 "SCPL31") | — | max 0.15 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCW550](/hi/सामग्री/jis/scw550 "SCW550") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SC450](/hi/सामग्री/jis/sc450 "SC450") | — | max 0.35 | max 0.04 | max 0.04 | — | — | — |
| [SCW490-CF](/hi/सामग्री/jis/scw490-cf "SCW490-CF") | — | max 0.2 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCMn2](/hi/सामग्री/jis/scmn2 "SCMn2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1 - 1.6 | 0.3 - 0.6 | — |
| [SCPH2](/hi/सामग्री/jis/scph2 "SCPH2") | — | max 0.3 | max 0.04 | max 0.04 | max 1 | max 0.6 | max 0.25 |
| [SCPH22](/hi/सामग्री/jis/scph22 "SCPH22") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCCrM1](/hi/सामग्री/jis/sccrm1 "SCCrM1") | — | 0.2 - 0.3 | max 0.04 | max 0.04 | 0.5 - 0.8 | 0.3 - 0.6 | 0.8 - 1.2 |
| [SCPL1](/hi/सामग्री/jis/scpl1 "SCPL1") | — | max 0.3 | max 0.04 | max 0.04 | max 1 | max 0.6 | max 0.25 |
| [SCNCrM2](/hi/सामग्री/jis/scncrm2 "SCNCrM2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 0.9 - 1.5 | 0.3 - 0.6 | 0.3 - 0.9 |
| [SCPH21-CF](/hi/सामग्री/jis/scph21-cf "SCPH21-CF") | — | max 0.15 | max 0.03 | max 0.03 | 0.3 - 0.6 | max 0.6 | 1 - 1.5 |
| [SCMnH2X2](/hi/सामग्री/jis/scmnh2x2 "SCMnH2X2") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCMnH11X](/hi/सामग्री/jis/scmnh11x "SCMnH11X") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | 1.5 - 2.5 |
| [SCMnH32](/hi/सामग्री/jis/scmnh32 "SCMnH32") | — | 0.75 - 1.35 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCPL21](/hi/सामग्री/jis/scpl21 "SCPL21") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCW480](/hi/सामग्री/jis/scw480 "SCW480") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | max 0.5 |
| [SC410](/hi/सामग्री/jis/sc410 "SC410") | — | max 0.3 | max 0.04 | max 0.04 | — | — | — |
| [SCW480-CF](/hi/सामग्री/jis/scw480-cf "SCW480-CF") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCC5](/hi/सामग्री/jis/scc5 "SCC5") | — | 0.4 - 0.5 | max 0.04 | max 0.04 | 0.5 - 0.8 | 0.3 - 0.6 | — |
| [SCPH1](/hi/सामग्री/jis/scph1 "SCPH1") | — | max 0.25 | max 0.04 | max 0.04 | max 0.7 | max 0.6 | max 0.25 |
| [SCMnCr2](/hi/सामग्री/jis/scmncr2 "SCMnCr2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH21](/hi/सामग्री/jis/scph21 "SCPH21") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 1 - 1.5 |
| [SCSiMn2](/hi/सामग्री/jis/scsimn2 "SCSiMn2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 0.9 - 1.2 | 0.5 - 0.8 | — |
| [SCPH61](/hi/सामग्री/jis/scph61 "SCPH61") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.75 | 4 - 6.5 |
| [SCMnCrM3](/hi/सामग्री/jis/scmncrm3 "SCMnCrM3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.3 - 0.7 |
| [SCPH11-CF](/hi/सामग्री/jis/scph11-cf "SCPH11-CF") | — | max 0.2 | max 0.035 | max 0.035 | 0.3 - 0.6 | max 0.6 | max 0.35 |
| [SCMnH2X1](/hi/सामग्री/jis/scmnh2x1 "SCMnH2X1") | — | 0.9 - 1.05 | max 0.06 | max 0.045 | 11 - 14 | 0.3 - 0.9 | — |
| [SCMnH11](/hi/सामग्री/jis/scmnh11 "SCMnH11") | — | 0.9 - 1.3 | max 0.07 | max 0.04 | 11 - 14 | max 0.8 | 1.5 - 2.5 |
| [SCMnH31](/hi/सामग्री/jis/scmnh31 "SCMnH31") | — | 1.05 - 1.35 | max 0.06 | max 0.045 | 6 - 8 | 0.3 - 0.9 | — |
| [SCPL11](/hi/सामग्री/jis/scpl11 "SCPL11") | — | max 0.25 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | max 0.35 |
| [SCW450](/hi/सामग्री/jis/scw450 "SCW450") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SC360](/hi/सामग्री/jis/sc360 "SC360") | — | max 0.2 | max 0.04 | max 0.04 | — | — | — |
| [SCW410-CF](/hi/सामग्री/jis/scw410-cf "SCW410-CF") | — | max 0.22 | max 0.04 | max 0.04 | max 1.5 | max 0.8 | — |
| [SCC3](/hi/सामग्री/jis/scc3 "SCC3") | — | 0.3 - 0.4 | max 0.04 | max 0.04 | 0.5 - 0.8 | 0.3 - 0.6 | — |
| [SCW570-CF](/hi/सामग्री/jis/scw570-cf "SCW570-CF") | — | max 0.2 | max 0.04 | max 0.04 | max 1.5 | max 1 | max 0.5 |
| [SCMn5](/hi/सामग्री/jis/scmn5 "SCMn5") | — | 0.4 - 0.5 | max 0.04 | max 0.04 | 1 - 1.6 | 0.3 - 0.6 | — |
| [SCMnCr4](/hi/सामग्री/jis/scmncr4 "SCMnCr4") | — | 0.35 - 0.45 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.4 - 0.8 |
| [SCPH32](/hi/सामग्री/jis/scph32 "SCPH32") | — | max 0.2 | max 0.04 | max 0.04 | 0.5 - 0.8 | max 0.6 | 2 - 2.75 |
| [SCMnCrM2](/hi/सामग्री/jis/scmncrm2 "SCMnCrM2") | — | 0.25 - 0.35 | max 0.04 | max 0.04 | 1.2 - 1.6 | 0.3 - 0.6 | 0.3 - 0.7 |
| [SCPH2-CF](/hi/सामग्री/jis/scph2-cf "SCPH2-CF") | — | max 0.3 | max 0.04 | max 0.04 | max 1.1 | max 0.6 | max 0.25 |
| [SCMnH2](/hi/सामग्री/jis/scmnh2 "SCMnH2") | — | 0.9 - 1.2 | max 0.07 | max 0.04 | 11 - 14 | max 0.8 | — |

 पृष्ठ 1 / 2[अगला](/hi/%E0%A4%B6%E0%A5%8D%E0%A4%B0%E0%A5%87%E0%A4%A3%E0%A4%BF%E0%A4%AF%E0%A4%BE%E0%A4%81/%E0%A4%A2%E0%A4%B2%E0%A4%B5%E0%A4%BE%E0%A4%81-%E0%A4%87%E0%A4%B8%E0%A5%8D%E0%A4%AA%E0%A4%BE%E0%A4%A4/पृष्ठ/2 "अगला")

## इस श्रेणी को कवर करने वाले मानक

 2

- [**JIS***59 ग्रेड*](/hi/सामग्री/jis "JIS — इस श्रेणी में 59 ग्रेड")
- [**KS***4 ग्रेड*](/hi/सामग्री/ks "KS — इस श्रेणी में 4 ग्रेड")

## गुणों की सीमाएँ

 5

| गुण | इकाई | न्यूनतम | अधिकतम | ग्रेड |
|---|---|---|---|---|
| Rm | N/mm² | 360 | 880 | 49 |
| Re | N/mm² | 175 | 685 | 46 |
| A | % | 9 | 35 | 49 |
| Z | % | 15 | 35 | 30 |
| HB | — | 143 | 300 | 23 |

इस श्रेणी में दर्ज मान वाले 49 ग्रेड से लिया गया।

## संघटन की सीमा

 11

| गुण | इकाई | न्यूनतम | अधिकतम | ग्रेड |
|---|---|---|---|---|
| C | % | 0.15 | 1.35 | 59 |
| Si | % | 0.3 | 1 | 54 |
| P | % | 0.03 | 0.1 | 59 |
| S | % | 0.03 | 0.05 | 59 |
| V | % | 0.15 | 0.7 | 5 |
| Cr | % | 0.2 | 6.5 | 34 |
| Mn | % | 0.3 | 19 | 55 |
| Ni | % | 0.5 | 4 | 23 |
| Cu | % | 0.5 | 0.5 | 17 |
| Mo | % | 0.15 | 1.8 | 25 |
| W | % | 0.1 | 0.1 | 9 |

इस श्रेणी में दर्ज मान वाले 59 ग्रेड से लिया गया।