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      Jiaozhou, Shandong, China

Contacts:manager Xiao

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Tel:86-532-82299299

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Website:www.kangsiding.com

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Parameter
Table 2 Common product specifications, performance and chemical composition

 

JB/T10854-2008

 HT/LZ200

 HT/LZ250

HT/LZ300 

 QT/LZ450-10 

QT/LZ500-7 

QT/LZ600-3 

QT/LZ700-2 

JIS

FC200

FC250

FC300

FCD450

FCD500

FCD600

FCD700

chemical composition

C

2.8-3.85

2.8-3.8

2.8-3.8

3.0-3.9

3.0-3.9

3.0-3.9

3.0-3.9

Si

2.0-3.2

2.0-3.2

2.0-3.2

2.0-3.4

2.0-3.4

2.0-3.2

2.0-3.2

Mn

0.3-0.8

0.3-0.8

0.3-0.8

0.1-0.4

0.2-0.4

0.2-0.6

0.2-0.8

P

≤0.15

≤0.15

≤0.15

≤0.05

≤0.05

≤0.05

≤0.05

S

≤0.12

≤0.12

≤0.1

≤0.03

≤0.03

≤0.03

≤0.03

Mg

-

-

-

0.02-0.1

0.02-0.1

0.02-0.1

0.02-0.1

Mechanical properties

Tensile strength Mpa

≥180

≥220

≥260

30≤D≤120
≥450;
125≤D≤350
≥400

30≤D≤120
≥500;
125≤D≤350
≥420 

30≤D≤120
≥600;
875≤D≤350
≥550

30≤D≤120 ≥700;125≤D≤350 ≥650

Hardness HB

140-190

170-220

180-260

130-180

140-200

150-220

180-260

Elongation%

-

-

-

30≤D≤120
≥10;
125≤D≤350
≥7

30≤D≤120
≥7;
125≤D≤350
≥5

30≤D≤120
≥3;
125≤D≤350
≥2

30≤D≤120
≥2;
125≤D≤350
≥1

size

Circular

Φ25-Φ400

Φ25-Φ150

A square

□25*25-□350*350

□30*30-□120*120

A flat square

25*40-25*400

25*40-30*220

Semicircle

R25-R180

R30-R150

Last

 

This Paper Is Divided Into 1 2 Page

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