Shanghai Unite SteelHot rolled seamless steel tube products catalog

Contact Us:Samson Huang

Tel:86-21-35316960-810 Fax:86-21-35316961

Skype:samsonhuang22 Email:samsonhuang@shunitesteel.com

Shanghai Unite Steel, a mechanical steel tubing manufacturer and stockiest from China.

Our company has more than 15 years of experience in steel researching, production,

managing and sales.

We offer products in various sizes, dimensions, length,

thickness and quality as per the requirement of the

clients. They are widely used in automotive parts,

hydraulic equipment, Engineering machinery,

electrical industries etc. The products we offer are

known for their high performance & strength,

dimensional accuracy, heat resistance and abrasion

resistance features.

In the aspect of resources and

information, our boss was

CPTCY's sales manager, we

have established cooperative

relationship with nearly

hundred enterprises, either

state-owned or private owned

in china, such as: Xinyegang - a

famous steel enterprise with the

longest history; Baosteel - the

biggest one; TPCO- largest

seamless steel tube production

enterprise, etc. We can get

below the market price of

high quality products, to

provide various kinds of

special requirements steel

products.

Our Advantages:

Availability - No long lead times

Flexibility - Meet customer requirements

Reliability - Customer satisfaction

Price - Competitively positioned

Quality - A given match to any competitor

Service - Fast, courteous & unparalleled

Programs - Tailored to fit your needs

Experienced Sales Staff

Complete Engineering and Technical Support

Contact Us: Shanghai Unite Steel

Tel: 86-21-35316960-810 Fax: 86-21-35316961

Skype: samsonhuang22 Email: samsonhuang@shunitesteel.com

ASTM A519

GB/T 8162

DIN 1629

10

20

35

45

Q345A

Q345B

St37.0

St44.0

St55

St52.0

CK45

Q345D

Q345C

Q345E

0.07-0.13

0.17-0.23

0.32-0.39

0.42-0.50

0.20

0.20

0.17

0.21

0.33-0.41

0.22

0.42-0.50

0.18

0.20

0.18

0.17-0.37

0.17-0.37

0.17-0.37

0.17-0.37

0.55

0.55

0.17-0.37

0.17-0.37

0.17-0.37

0.55

0.17-0.37

0.55

0.55

0.55

0.35-0.65

0.35-0.65

0.50-0.80

0.50-0.80

1.00-1.60

1.00-1.60

0.35-0.65

0.50-0.80

0.50-0.80

1.60

0.50-0.80

1.00-1.60

1.00-1.60

1.00-1.60

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.025

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.15

0.25

0.25

0.25

0.30

0.30

0.25

0.25

0.25

0.25

0.25

0.30

0.30

0.30

0.30

0.30

0.30

0.30

0.30

0.30

0.25

0.25

0.25

0.25

0.25

0.30

0.30

0.30

0.25

0.25

0.25

0.25

0.30

0.30

0.25

0.25

0.25

0.25

0.25

0.30

0.30

0.30

Standard Grade C Si Mn P S Cr Ni Cu V

-

-

-

-

-

-

-

-

-

-

-

0.02-0.15

0.02-0.15

0.02-0.15

Standard:GB/T 8162 China National Standard

DIN 1629 Deutsche Industrie Normen

Chemical Composition (%):

Note: Grades other than the a.m. chart can be made available through consultations.

American Standard

ASTM A519: 1010/1018/1020/1026/1035/1045/4130/4140/5120/5130/8620/4340, etc.

Standard Grade

GB/T 8162

Q/BQB 203DIN 1629

(MPa)Tensile strength

(MPa)

Yield strengthnot less than

(%)

Elongationnot less than

Impact test

( )Temperature

(KV/J)Absorbed energy

10 335 205 195 24

20 410 245 235 20

35 510 305 295 17

45 590 335 325 14

Q345B 470-630 345 325 20

Q345A 470-630 345 325 20

Q345C 470-630 345 325 21

Q345D 470-630 345 325 21

Q345E 470-630 345 325 21

16mm 16-30mm

16mm --- 16mm

St37.0 350-480 235 225 25

St44.0 420-550 275 265 21

St55 540-645 295 285 17

St52.0 500-650 355 345 21

CK45 590-730 335 325 14

-

-

-

-

20

-

0

-20

-40

-

-

-

-

-

-

-

-

-

-

34

-

34

34

27

-

-

-

-

-

-

Mechanical Properties:

37Mn

30CrMo

34Mn2V

35CrMo

34CrMo4

30CrMnSiA

0.34-0.40

0.26-0.34

0.30-0.37

0.32-0.40

0.30-0.37

0.28-0.34

0.10-0.30

0.17-0.37

0.17-0.37

0.17-0.37

0.40

0.90-1.20

1.35-1.75

0.40-0.70

1.40-1.75

0.40-0.70

0.60-0.90

0.80-1.10

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

0.020

-

-

0.07-0.12

-

-

-

-

0.15-0.25

-

0.15-0.25

0.15-0.30

0.10

Standard Ni CuGrade C Si Mn SP VMoCr

0.30

0.80-1.10

0.30

0.80-1.10

0.90-1.20

0.80-1.10

0.20

0.20

0.20

0.20

0.20

0.20

0.30

0.30

0.30

0.30

0.30

0.30

GB 18248

Standard Grade

not less than

37Mn

30CrMo

34Mn2V

35CrMo

34CrMo4

30CrMnSiA

GB 18248

750

930

745

980

980

1080

630

785

530

835

835

885

(MPa)Tensile strength

(MPa)Yield strength

(J)Impact energy(%)

Elongation

16

12

16

12

12

10

-50

-50

-20

-50

-50

27

27

27

27

27

27

( )Temperature

(KV/J)Absorbed energy

Room temperature

Chemical Composition (%):

Mechanical Properties:

: ,Note: Grades other than the a.m. chart can be made available through consultations.

Standard:GB 18248 China National Standard

For manufacturing gas cylinder

Standard GradeC Si Mn

45 0.42 0.50 0.17 0.37

YB/T 5035

45Mn2 0.42 0.49 0.17 0.37

MAL 010 25MnCr 0.20 0.28 0.15 0.35

P

0.030

0.025

0.035

0.035GB/T 8162 20Mn2 0.17 0.24 0.17 0.37

0.50 0.80

1.40 1.80

1.20 1.70

1.40 1.80

S

0.025

0.025

0.040

0.035

Cr

0.25

0.30

0.30 0.60

0.25

Ni

0.25

0.30

0.20

0.25

Cu

0.25

0.20

0.30

0.20

(MPa)Tensile strength

(MPa)Yield strength

(%)Elongation

HBWStandard Gradenot less than

45 590 335 14 -

YB/T 5035

45Mn2 885 735 10 217 269

MAL 010 25MnCr 600~785 350 16 -

GB/T 8162 20Mn2 785 590 10 -

Standard:YB/T 5035 Standard of China Metallurgical IndustryGB/T 8162 China National StandardMAL 010 Baosteel Delivery Technical Requirement

Chemical Composition (%):

Mechanical Properties:

For manufacturing auto axle and housing

Note: Grades other than the a.m. chart can be made available through consultations.

20

35

40

27SiMn

Grade

30MnNbRe

0.17~0.24

0.32~0.40

0.42~0.50

0.24~0.32

C

0.27~0.36

0.17~0.37

0.17~0.37

0.17~0.37

1.10~1.40

Si

0.20~0.60

0.35~0.65

0.50~0.80

0.50~0.80

1.10~1.40

Mn

1.20~1.60

0.020

0.025

0.025

0.025

P

0.035

0.015

0.025

0.025

0.020

S

0.035

0.25

0.25

0.25

0.25

Cr

0.030Nb 0.02~0.05

0.25

0.25

0.25

0.25

Ni

0.030

Cu

0.20

0.20

0.20

0.25

Re 0.02~0.040.030

Grade

not less than

Test piece with heat treatment

27SiMn920 20 Water quench

450 50 Temper

Cooling: oil or water

30MnNbRe880 20 Water quench

450 50 Temper

Cooling: air

(MPa)Tensile strength

980

850

400510590

203545

(MPa)Yield strength

835

725

245305335

(%)Elongation

12

13

201714

(J)A 2

Impact energy

39

49

-

217

-

--

Standard:GB/T 17396 China National Standard

Chemical Composition (%):

Mechanical Properties:

,For manufacturing cylinder and piston of hydraulic props for coal mine or other purposes

UNITE STEEL

Connected World To Provide One-stop Service

Get in Touch If you are interested in our products or cooperating with us, even having a comment or a suggestion please contact us now, for more detailed information.

Samson Huang

Tel: 86-21-35316960(810) Fax: 86-21-35316961

Skype: samsonhuang22 E-mail: samsonhuang@shunitesteel.com

Website: http://www.shunitesteel.com