1

Standard

BS  EN10219 GB/T9711.1-1997 ASTM A106-2006  API5L API5CT

2

Material

16Mn 15MnV 12Cr1MoV 12Cr2MoV   Cr5Mo   CHINESE

3

OD

1/4-24  13mm-610mm

4

WT

SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

5

Usage

Boiler user ,water transport,,building,machinery,traffic,aviation,oil devepment

6

OD Tollerance

D<48.3mm,+-0.4mm/-0.79mm,D48.3-114.3mm,+-1.59/-0.79

7

WT Tollerance

WT+-%12.5

8

Chemical

C:,0.20%,Si>0.55%,Mn:1.20-1.60%,P<0.045%,S<0.045%,