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Hot-Rolled Steel Round Bar Used In Tube/Pipe Manufacture, Seamless Pipe Plant

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Hot-Rolled Steel Round Bar Used In Tube/Pipe Manufacture, Seamless Pipe Plant

  • FOB Price: 400-1000 USD / ton
  • MOQ: 1 ton
  • Supply Capability: 10000 ton / month
  • Port: Tianjin/Qingdao/Shanghai Port
  • Delivery: 15-30Days
  • Packaging: Lifting belts/Customers requirment

Details

PRODUCT DETAILS

    COMMODITY       Steel  Round Bar Used In Mechanical Industry, Tube/Pipe Manufacture, Vehicle Industry...

    STANDARD         GB/T699-1988、GB/T700-1988、GB/T3077-1988、GB/T702-1986、QJ/HG02.17-1991、ASME  

    GRADE                 Q195, Q215, Q235, Q255,Q275                                               

                                  8#-10#, 15#, 20#, 35#, 45#, Q235B, 40Cr, 20Cr, 42CrMo, 20CrMo, 16Mn(Q345B)

    TECHNIQUE         Hot Rolled

    DIAMETER           ∮8-480 mm

    LENGTH               Random Length or According to customer requirements   

    CONDITION          Normalizing, Normalizing rolled  

    TOLERANCE         According to  GB/T699、GB/T700、GB/T3077、ASME

    TRADE TERMS     FOB/CFR/CIF

     PAYMENTS           T/T, LC 


CHEMICAL COMPOSITION

   

No.

Grade

Chemical   Composition()

C

Si

Mn

Cr

M

Cu

1

08F

0.050.11

0.03

0.250.50

0.10

0.30

0.25

2

10F

0.070.13

0.07

0.250.50

0.15

0.30

0.25

3

15F

0.120.18

0.07

0.250.50

0.25

0.30

0.25

4

08

0.050.11

0.170.37

0.350.65

0.10

0.30

0.25

5

l0

0.070.13

0.170.37

0.350.65

0.15

0.30

0.25

6

15

0.120.18

0.170.37

0.350.65

0.25

0.30

0.25

7

20

0.170.23

0.170.37

0.350.65

0.25

0.30

0.25

8

25

0.220.29

0.170.37

0.500.80

0.25

0.30

0.25

9

30

0.270.34

0.170.37

0.500.80

0.25

0.30

0.25

10

35

0.320.39

0.170.37

0.500.80

0.25

0.30

0.25

11

40

0.37~0.44

0.170.37

0.500.80

0.25

0.30

0.25

12

45

0.420.50

0.170.37

0.500.80

0.25

0.30

0.25

13

50

0.470.55

0.170.37

0.500.80

0.25

0.30

0.25

14

55

0.520.60

0.170.37

0.500.80

0.25

0.30

0.25

15

60

0.57~0.65

0.170.37

0.500.80

0.25

0.30

0.25

16

65

0.620.70

0.170.37

0.500.80

0.25

0.30

0.25

17

70

0.670.75

0.170.37

0.500.80

0.25

0.30

0.25

18

75

0.720.80

0.170.37

0.500.80

0.25

0.30

0.25

19

80

0.770.85

0.170.37

0.500.80

0.25

0.30

0.25

20

85

0.820.90

0.170.37

0.500.80

0.25

0.30

0.25

21

15Mn

0.12~0.18

0.170.37

0.701.00

0.25

0.30

0.25

22

20Mn

0.17~0.23

0.170.37

0.701.00

0.25

0.30

0.25

23

25Mn

0.22~0.29

0.170.37

0.701.00

0.25

0.30

0.25

24

30Mn

0.27~0.34

0.170.37

0.701.00

0.25

0.30

0.25

25

35Mn

0.32~0.39

0.170.37

0.701.00

0.25

0.30

0.25

26

40Mn

0.370.44

0.170.37

0.701.00

0.25

0.30

0.25

27

45Mn

0.420.50

0.170.37

0.701.00

0.25

0.30

0.25

28

50Mn

0.480.56

0.170.37

0.701.00

0.25

0.30

0.25

29

60Mn

0.570.65

0.170.37

0.701.00

0.25

0.30

0.25

30

65Mn

0.620.70

0.170.37

0.901.20

0.25

0.30

0.25

3l

70Mn

0.67~0.75

0.170.37

0.901.20

0.25

0.30

0.25


MECHANICAL PROPERTIES

Grade

Heat   Treatment

Mechanical   Property

N

Q

T

Tensile   StrengthMPa

Yield Strength

MPa

Elongation()

Shrinkage   rate)

Impact EnergyJ

08F

930



295

175

35

60


10F

930



315

185

33

55


15F

920



355

205

29

55


08

930



325

195

33

60


I0

930



335

205

3l

55


15

920



375

225

27

55


20

910



4lO

245

25

55


25

900

870

600

450

275

23

50

71

30

880

860

600

490

295

21

50

63

35

870

850

600

530

315

20

45

55

40

860

840

60D

570

335

19

45

47

45

850

840

600

600

355

16

40

39

50

830

830

600

630

375

14

40

31

55

820

820

600

645

380

13

35


60

810



675

400

12

35


65

810



695

410

10

30


70

790



715

420

9

30


75


820

480

1080

880

7

30


80


820

480

1080

930

6

30


85


820

480

1130

980

6

30


15Mn

920



410

245

26

55


20Mn

910



450

275

24

50


25Mn

900

870

600

490

295

22

50

71

30Mn

880

860

600

540

315

20

45

63

35Mn

870

850

600

560

335

18

45

55

40Mn

860

840

600

590

355

17

45

47

45Mn

850

840

600

620

375

15

40

39

50Mn

830

830

600

645

390

13

40

3l

60Mn

810



695

410

11

35


65Mn

830



735

430

9

30


70Mn

790



785

450

8

30