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Tangshan Fengrun Shougang Metallurgy And Building Materials Co.,Ltd.
Add：Baiguantun Economic Development Zone, Fengrun District,Tangshan City
P.C.：064005
Hammer
1.Chemicalcomponent:ClassificationofpartsClassificationGradeChemicalCompositions（%）CSiMnCrMoNiCuSPThewear-resistantpartshigh-chromiumcastironZTCr152.5-3.50-1.20.3-1.515-170.3-10-0.51-2≤0.1≤0.1ZTCr182.
Key words:
Hammer
Classification:
Description
1. Chemical component:
|
Classification of parts |
Classification |
Grade |
Chemical Compositions（%） |
||||||||
|
C |
Si |
Mn |
Cr |
Mo |
Ni |
Cu |
S |
P |
|||
|
The wear-resistant parts |
high-chromium cast iron |
ZTCr15 |
2.5-3.5 |
0-1.2 |
0.3-1.5 |
15-17 |
0.3-1 |
0-0.5 |
1-2 |
≤0.1 |
≤0.1 |
|
ZTCr18 |
2.5-3.5 |
0-1.2 |
0.3-1.5 |
18-20 |
0.3-1 |
0-0.5 |
1-2 |
≤0.1 |
≤0.1 |
||
|
ZTCr25 |
2.5-3.5 |
0-1.2 |
0.3-1.5 |
24-26 |
0.3-1 |
0-0.5 |
1-2 |
≤0.1 |
≤0.1 |
||
|
Supporting components of hammer casting |
Alloy steel |
ZG40Cr2 |
0.3-0.5 |
≤1.2 |
0.3-1 |
0.5-2.5 |
0-0.5 |
0-0.3 |
0-1 |
≤0.45 |
≤0.45 |
|
High-manganese steel |
ZGMn13 |
1-1.4 |
≤1.0 |
11-14 |
0-2 |
0-0.5 |
0-0.3 |
0-1 |
≤1 |
≤1 |
|
2.Hardness, Impact-toughness, Metallurgical Structure:
|
Name |
Grade |
Impact toughness(AkJ/cm2) |
Hardness (Rockwell hardness) |
Hardness (Brinell Hardness) |
Metallographic structure |
|
high-chromium cast iron |
ZTCr15 |
3-5.5 |
58-62 |
620-684 |
M+A+C |
|
ZTCr18 |
3-5.5 |
58-62 |
620-684 |
M+A+C |
|
|
ZTCr25 |
2.5-5 |
58-62 |
620-684 |
M+A+C |
|
|
Alloy steel |
ZG40Cr2 |
15-30 |
20-30 |
229-285 |
M+A+C |
|
High-manganese steel |
ZGMn13 |
50-140 |
|
170-220 |
A+C |
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Tangshan Fengrun Shougang Metallurgy And Building Materials Co.,Ltd.
Add：Baiguantun Economic Development Zone, Fengrun District,Tangshan City
P.C.：064005
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Tel/Fax：+86-315-5507099
Contact：Wong shougang +86-13739831999 / Zhang dongxia +86-13785543600 / Wong yachao +86-13933300918
Email：sgnmcl@126.com
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Tel/Fax:+86-315-5115988
Contacts:Mike +86-15531516577，
Email:mike@sgsteelball.com，(Overseas Market)
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