China

USA

UK

Germany

Japan

France

Russia

HT 150

20B

150

GG15

FC150

FGL150

сч15

HT 200

30B/G3000

220

GG20

FC200

FGL200

сч20

HT 250

35B/G3500

260

GG25

FC250

FGL250

сч25

HT 300

45B

300

GG30

FC300

FGL300

сч30

HT 350

50B

350

GG35

FC350

FGL350

сч35

Material

Grade

C (%)

Si (%)

Mn (%)

P (%)

S (%)

Strength

(Mpa)

HT 150

3.2-3.5

1.8-2.4

0.8-0.9

≤0.2

≤0.12

≥150

HT 200

3.0-3.5

1.4-2.0

0.7-1.0

≤0.15

≤0.12

≥200

HT 250

2.8-3.3

1.2-1.7

0.8-1.2

≤0.15

≤0.12

≥250

HT 300

2.8-3.2

1.1-1.7

0.8-1.2

≤0.15

≤0.12

≥300

HT 350

2.7-3.1

1.1-1.6

1.0-1.4

≤0.1

≤0.1

≥350