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High pressure boiler tubes

We are in advantage for supplying high pressure boiler tube in China. We have the one-up quality for this high pressure pipe and have won much good reputation in boiler and electronic power station field.

Our main size is as follows:

cold drawn tubes8-76mm*110mm
hot finished tubes
32-127mm*425mm

APPLICATION: Economizer tube, Water wall tube, Superheater tube, Rehester pipe, Main steam pipe, Hot reheat pipe, Feed water heater tube, Feed water pipe
And we also can manufacture by customers’ request.

 

STANDARD AND MATERIAL

Steel

Grade

Content

Standards

JIS

(Japan)

ASTM

(U.S.A.)

BS

(Britain)

DIN

(Germany)

Carbon steel 0.150.25C

STB340,410

STPT370,410

A53-Gr.A,B

A106-Gr.A,B


A192

 

A210-Gr.AL

 

St45
St45.5

St45.8

C22

0.250.35C STPT480

A106-Gr.C

A210-Gr.C

 

St55

St55.4

Mo steel 0.30.5Mo

STBA12,13

STPA12

T1,T1a

P1

3059/243

15Mo3

16Mo5

Cr-Mo-V Steel 0.5Cr-0.5Mo-V     3604/660 14MoV63

Cr-Mo Steel

0.5Cr-0.5Mo

STBA20

STPA20

T2

P2

   
ICr-0.5Mo STBA22
STPA22
T12
P12
13CrMo44
2.25Cr-IMo

STBA24

STPA24

T22

P22

3059/622

3604/622

10CrMo910
9Cr-IMo-V-Nb

KA-STBA28

KA-STPA28

T91

P91

 

X10CrMoVNb91

 

SIZES AND TOLERANCE

 

STANDARD

DIA

TOLERANCE

O.D

DIN17175

HOT

D ≤ 100mm

± 0.75%( 最小值± 0.5mm )

D > 100~ 320mm

± 0.9%

COLD: D ≤ 120mm

± 0.6%( MIN± 0.25mm )

ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、

ASME SA -335M 、 JIS G 3461

HOT

D < 100mm

+0.4~ -0.8mm

D ≥ 100~ < 160mm

+0.4~ -1.2mm

D ≥ 160~ < 200mm

+0.4~ -1.8mm

D ≥ 200 mm

+0.4~ -2.4mm

COLD

D < 25mm

± 0.10 mm

D ≥ 25~ < 40mm

± 0.15 mm

D ≥ 40~ < 50mm

± 0.20 mm

D ≥ 50~ < 60mm

± 0.25 mm

D ≥ 60 ~ < 80mm

± 0.30 mm

ASME SA-106

D 10.3~ 48.3mm

± 0.40 mm

D > 48.3~ 114.3mm

± 0.79 mm

D > 114.3~ 219.1mm

+1.59~ -0.79mm

D > 219.1~ 457mm

+2.38~ -0.79mm

W.T

DIN17175

D ≤ 130mm

S ≤ 2Sn

+15%~-10%

S > 2Sn~4Sn

+12.5%~-10%

S > 4Sn

± 9%

130 < D ≤ 320mm

S ≤ 0.05D

+17.5%~-12.5%

0.05D < S ≤ 0.11D

± 12.5%

S > 0.11D

± 10%

ASME SA -192M 、 ASME SA -209M 、 ASME SA -210M 、 ASME SA -213M 、

ASME SA -335M 、 JIS G 3461

HOT

S ≥ 2~ < 2.4mm , D < 100

+40~0%

S ≥ 2.4~ < 3.8mm

+35~0%

S ≥ 3.8~ < 4.6mm

+33~0%

S ≥ 4.6mm

+28~0%

COLD

D < 40

S < 2mm

+0.4~ 0mm

S ≥ 2mm

+20~0%

D ≥ 40

+22~0%

ASME SA-106

 

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Zhang Jia Gang, China (Manage|Mail)