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Carbon steel seamless steel tube
Carbon steel seamless steel tube
Standard: GB3087--low medium voltage with seamless steel tube boiler GB5310-high pressure boiler with seamless steel tube GB/T8162-structure with seamless steel tube GB/T8163-the transmission fluid with seamless steel tube SA106-Carbon Steel Seamless ASME Pipe for high-responds as required service ASTM A106 Seamless Steel Pipe-Carbon for High-responds as required Service The main production steel tube brand: 10, 20, 20 G, SA106B, SA106C, A106B, A106C
Product description

MECHANICAL PROPERTIES

STANDARD

GRADE

TENSILE STRENGTH(MPA)

MIN YIELD POINT(MPA)

ELONGATION (%)

IMPACT ENERGY(J)

HB

GB3087

10

335~475

≥195

≥24

 

/

20

410~550

≥245

≥20

 

/

GB5310

20G

410~550

≥245

≥24

≥35

/

GB/T8162

10

335

185~205

24

 

 

20

390

225~245

20

 

 

35

510

285~305

17

 

 

45

590

315~335

14

 

 

Q345

490

305~325

21

 

 

GB/T8163

10

335~475

195~205

24

 

 

20

410~550

235~245

20

 

 

Q295

430~610

285~295

22

 

 

Q345

490~665

315~325

21

 

 

ASME SA106

SA106B

≥415

≥240

≥22

≥35

/

SA106C

≥485

≥275

≥20

≥35

/

ASTM A106

A106 Gr.A

≥330

≥205

35 Longitudinal

 

 

25

Transverse

A106 Gr.B

≥415

≥240

30 Longitudinal

 

 

16.5 Transverse

A106 Gr.C

≥485

≥275

30 Longitudinal

 

 

16.5 Transverse

CHEMICAL COMPOSITION

STANDARD

GRADE

CHEMICAL COMPOSITION(%)

C

SI

MN

P

S

CR

MO

CU

NI

V

GB3087

10

0.07~0.13

0.17~0.37

0.38~0.65

≤0.030

≤0.030

0.3~0.65

/

≤0.25

≤0.30

/

20

0.17~0.23

0.17~0.37

0.38~0.65

≤0.030

≤0.030

0.3~0.65

/

≤0.25

≤0.30

/

GB5310

20G

0.17~0.24

0.17~0.37

0.35~0.65

≤0.030

≤0.030

≤0.25

≤0.15

≤0.20

≤0.25

≤0.08

ASME SA106

SA106B

0.17~0.25

≥0.1

0.70~1.00

≤0.030

≤0.030

≤0.035

ASTM A106

A106 Gr.A

≤0.25

≤0.10

0.27~0.93

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

A106 Gr.B

≤0.30

≤0.10

0.29~1.06

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08

A106 Gr.C

≤0.35

≤0.10

0.29~1.06

≤0.035

≤0.035

≤0.40

≤0.15

≤0.40

≤0.40

≤0.08



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