Seamless Pipe Pile

Seamless Pipe Pile

Q345B/16Mn Seamless Structural Tube: Standard: GB/8162, GB/T8163. ASTM A252/ASTM A53,ASTM A106(A,B),ASTM A500/A501/A519,JIS G3441/3444/3456,ISO2937, DIN 1626/17175 Grade: Q345B,10#,20#,35#,45#;STPG 38,STS38,STB30,STB33,STB35,STPG42,,st37,st35.8,st35.4,st42,st45-8,st45-4 Pipe Application: Used in...

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Q345B/16Mn Seamless Structural Tube:

Standard:

GB/8162, GB/T8163. ASTM A252/ASTM A53,ASTM A106(A,B),ASTM A500/A501/A519,JIS G3441/3444/3456,ISO2937, DIN 1626/17175

Grade:

Q345B,10#,20#,35#,45#;STPG 38,STS38,STB30,STB33,STB35,STPG42,,st37,st35.8,st35.4,st42,st45-8,st45-4

Pipe Application:

Used in general structure and mechanism such as construction, machinery, transportation, aviation, mining and each kind of structure tubes

Structure tube  Outside diameter tolerance


Hot rolled(extrude, expansion)

±1% D or 0.50,choose the largest



Cold drawn(rolled)

±1% D or 0.30,choose the largest


Cold drawn(rolled) structure tube Wall thickness Tolerance

Steel pipe type

Wall thickness

Tolerances

Cold Drawn(Rolled)

<3

±15%,-10%S ,choose the larger one

>3

±12.5%,-10%S

Mechnical property for Q345B low alloy seamless structural steel tube:

Thickness (mm)
Q345B≤ 16> 16             ≤ 35> 35             ≤ 50>50
Yield strength (≥Mpa)345325295275
Tensile strength (Mpa)470-630


►Chemical composition for Q345B low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q345B
CSiMnPSVNbTi
0.200.551.00-1.600.0400.0400.02-0.150.015-0.0600.02-0.20

Steel Grade

Tensile Strength Mpa

Yield Strength Mpa

Elongation%

<16

16-30

>30


MIN

10#

335-

205

195

1185

24

20#

390

245

235

225

20

35#

510

305

295

285

17

45#

590

335

325

315

14

Structure tube chemical compositon

Standard


Grade


C

Si

Mn

P<

S<

Cu<

Ni<

Cr<

GB/T8162

10#

0.07-0.14

0.17-0.37

0.35-0.65

0.035

0.035

0.25

0.25

0.15

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.25

0.25

0.25

35#

0.32-0.39

0.17-0.37

0.50-0.80

0.035

0.035

0.25

0.25

0.25

45#

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

0.25

0.25

0.25

    1.Size:  from 1/2" to 36"

    2.Wall Thickness: From 2mm to 60mm

    3.Schedule: Sch20,Sch 30,SCH40, STD, SCH80,...SCH160

4.Length: 5.8 meters for 20' container, 6 meters to 12 meters for 40' container, or acc. to clients' requirement

    5.Packing: aac. to clients' requirement

    8.Surface finishing: Varnish coating, bevelled ends with caps

    9.Third party inspection: BV, SGS, Lloyds etc.

    10.Supply Ability: 1900MT/month

11.Standard:API 5L/5CT, ASTM A106,A53 ,DIN ,EN ,JIS,BS and equivalent

    12.Material: GR.B,20#,Q345, ST45,ST35.8 ,ST52,X42,X52,X60...

13. We have these seamless pipe stock about 4000tons. delivery is very fast.

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