Carbon Seamless Steel pipe

Seamless steel pipe manufacturer,ERW steel pipe,Coating pipe
ASTM A179 Boiler tube
ASTM A179 Boiler tube

ASTM A179 Boiler tube

Standard & Grade :ASTM A179 Boiler tube

Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Delivery state: Annealed, normalized, tempered. surface oiled, black painted, shot blasted, hot dipped galvanized.

Packing:Bundle or bulk , wooden case or other seaworthy packing or for the client's requirement

Product process

Cold Drawn
Coating Oil (Copper Plating) → Multi-pass Cold Drawing or Cold Rolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing
Round Pipe Billet → Heating → Punching → Pipe Head Treatment → Annealing →Acid Pickling →
Coating Oil (Copper Plating) → Multi-pass Cold Drawing or Cold Rolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing

STANDARD OF ASTM A179 Boiler tube

Standard

Chemical Composition Max(%)

Mechanical Properties

Grade

c

Si

Mn

P

S

Mo

Cr

V

Tensile STrength (Mpa)

Yield STrength(Mpa)

Elongation(%)

ASTM

A192

0.06-0.18

0.25

0.27-0.63

≤0.035

≤0.035

/

/

/

≥325

≥180

≥35

A179

OD In (mm)

+

-

WT In (mm)

+

-

<1(25.4)

0.1

0.1

≤1.1/2(38.1)

20%

0

1∼1.1/2(25.4∼38.1)

0.15

0.15

>1.1/2(38.1)

22%

0

>1.1/2∼<2(38.1∼50.8)

0.2

0.2




2∼<2.1/2(50.8∼63.5)

0.25

0.25




2.1/2∼<3(63.5∼76.2)

0.3

0.3




3∼4(76.2∼101.6)

0.38

0.38




>4∼7.1/2(101.6∼190.5)

0.38

0.64




>7.1/2∼9(190.5∼228.6)

0.38

1.14





DIMENSION SPECIFICATIONS OF ASTM A179 boiler steel tube

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