Q235B S235JR ท่อคาร์บอนที่ไม่มีรอยต่อร้อน

Out Diameter

13.7mm-914mm

Wall Thickness

2mm-120mm

Length

2m-12m

Producing Standard

American ASME B36.10M, ASTM API 5L, API 5CT
Japanese JIS, German DIN, Chinese GB, BS standard

Steel Grade

10#, 20#, 45#, Q235, Q345, Q195, S235JR, S275JR, S355JR, 16Mn, 27SiMn, 20Cr, 40Cr, 12CrMo, 15CrMo, 30CrMo, 35CrMo, 42CrMo etc;

ASTM A53, A106, A210, A252, A178, A333, A335, SAE1018, SAE1020, SAE1045 etc;

API 5L PSL1: A, B, x42, x46, x52, x56, x60, x65, x70

API 5L PSL2: B, x42, x46, x52, x56, x60, x65, x70, x80JIS SS400, STPG42, G3454, G3456 etc;
DIN St35, St35.8, St37, St42, St45, St52, DIN1626, DIN17175 etc;

Special specifications

Available according to customer's requirements and quantity.

End Shape

Beveled end, plain end, varnished, or adding plastic caps to protect the two ends as per customer's requirements

Surface treatment

Painted, Oiled, galvanized, phosphate etc

Usage

1.Widely used in the mechanical treatment field, petrochemical industry, transport and construction field
2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc
4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

Third party inspection

Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

Standard

Grade

Chemical Composition (max)%

Mechanical Properties (min)

C (Max.)

Mn (Max.)

Si (Max.)

S (Max.)

P (Max.)

Yield Strength(Mpa)

Tensile Strength(Mpa)

GB/T700-2006

Q235A

0.22

1.40

0.35

0.050

0.045

235

370

Q235B

0.20

1.40

0.35

0.045

0.045

235

370

Q235C

0.17

1.40

0.35

0.040

0.040

235

370

Q235D

0.17

1.40

0.35

0.035

0.035

235

370

GB/T1591-2009

Q345A

0.20

1.70

0.50

0.035

0.035

345

470

Q345B

0.20

1.70

0.50

0.030

0.030

345

470

Q345C

0.20

1.70

0.50

0.030

0.030

345

470

BS EN10025

S235JR

0.17

1.40

-

0.035

0.035

235

360

S275JR

0.21

1.50

-

0.035

0.035

275

410

S355JR

0.24

1.60

-

0.035

0.035

355

470

DIN 17100

ST37-2

0.20

-

-

0.050

0.050

225

340

ST44-2

0.21

-

-

0.050

0.050

265

410

ST52-3

0.20

1.60

0.55

0.040

0.040

345

490

JIS G3101

SS400

-

-

-

0.050

0.050

235

400

SS490

-

-

-

0.050

0.050

275

490

API 5L PSL1

A

0.22

0.90

-

0.030

0.030

210

335

B

0.26

1.20

-

0.030

0.030

245

415

X42

0.26

1.30

-

0.030

0.030

290

415

X46

0.26

1.40

-

0.030

0.030

320

435

X52

0.26

1.40

-

0.030

0.030

360

460

X56

0.26

1.10

-

0.030

0.030

390

490

X60

0.26

1.40

-

0.030

0.030

415

520

X65

0.26

1.45

-

0.030

0.030

450

535

X70

0.26

1.65

-

0.030

0.030

585

570

API 5L PSL2

B

0.22

1.20

-

0.025

0.015

245-450

415-760

X42

0.22

1.30

-

0.025

0.015

290-495

415-760

X46

0.22

1.40

-

0.025

0.015

320-525

435-760

X52

0.22

1.40

-

0.025

0.015

360-530

460-760

X56

0.22

1.40

-

0.025

0.015

390-545

490-760

X60

0.22

1.40

-

0.025

0.015

415-565

520-760

X65

0.22

1.45

-

0.025

0.015

450-600

535-760

X70

0.22

1.65

-

0.025

0.015

483-621

565-758