H-Press Boiler Pipe

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H-Press Boiler Pipe

●Standard: GB5310-1995 GB5310��ASME SA-106,ASME SA-192,ASME SA-209,ASME SA-210,ASME SA-213,ASME SA-335,DIN17175,JIS G3462

●Function: For high pressure boiler use

H-Press Boiler Pipe

Standard
steel grade

��19-��159×2-18

GB5310

20G��20MnG ��25MnG��

12Cr1MoVG��15CrMoG

 12Cr2MoG��12Cr2MoWVTiB

10Cr9Mo1VNb

ASME SA-106

SA-106B��106C

ASME SA-192

SA-192

ASME SA-209

SA-209T1��SA-209T1a��SA-209T1b

ASME SA-210

SA-210A��1��SA-210C

ASME SA-213

SA-213 T2 ��SA-213 T11��SA-213 T12 SA-213 T22��SA-213 T23 ��SA-213T91��

ASME SA-335

SA-335 P2��SA-335 P12��

SA-335 P22��SA-335P91

DIN 17175

St35.8��St45.8��17Mn4

19Mn5��15Mo3��13CrMo44

10CrMo910

JIS G3462

STBA12

Permissible tolerance of wall thickness:

Standard

Wall thickness

Permissible tolerance of wall thickness

GB5310-1995

<3.5

+15%( +0.48mm)

-10%( +0.32mm)

3.5-20

+15%,-10%

>20

 

± 10%

 
±10%

Permissible tolerance of outside diameter

Standard

Outside diameter

Permissible deviation

GB5310-1995

57- 159

± 1.0%( ±0.5mm)

>159

+12.5%,- 1.0%

Mechanical Property

Standard

Trademark

Tensile strength(MPa)

Yield point �� MPa ��≥

Extensibility �� % �� ≥

ballistic work ≥

GB5310-1995

20G

410-550

245

24

35

20MnG

≥ 415

240

22

35

25MnG

≥ 485

275

20

35

15MoG

450-600

270

22

35

20MoG

≥ 415

220

22

35

12CrMoG

410-560

205

21

35


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