?????????

???????????8-1240??1-200mm
?????б???? API SPEC 5L
??????????????????????????е??????????????
????

???????	???????	??б??	??????	??????
????	12Cr1MoVG ????12CrMoG ????15CrMoG ????12Cr2Mo<A335P22> ????Cr5Mo<A335P5> ????Cr9Mo<A335P9> ????10Cr9Mo1VNb<A335P91> ????15NiCuMoNb5<WB36> ????12Cr2MoWVTiB<????102>	GB5310-1995 ????GB6479-2000 ????GB9948-2006 ????DIN17175-79 ????ASTM SA335 ????ASTM SA213 ????JISG3467-88 ????JISG3458-88	??8-1240*1-200	????????????????????????ˉ????????????????????????????
??????	0Cr18Ni9<304> ????00Cr19Ni10<304L> ????00Cr25Ni20<310S> ????0Cr17Ni12Mo2<316> ????00Cr17Ni14Mo2<316L> ????1Cr18Ni9Ti<321> ????0Cr18Ni10Ti ????0Cr18Ni11Nb<347>	GB/T14975-2002 ????GB/T14976-2002 ????GB13296-2007 ????ASTM A213 ????ASTM A269 ????ASTM A312 ????JIS G3459 ????DIN 17458	??6-630*0.5-60	???????????????????????????????????????????????????????е?????
???1?	16MnDG??10MnDG??09DG ????09Mn2VDG??06Ni3MoDG ????ASTM A333Grade1 ????ASTM A333Grade3 ????ASTM A333Grade4 ????ASTM A333Grade6 ????ASTM A333Grade7 ????ASTM A333Grade8 ????ASTM A333Grade9 ????ASTM A333Grade10 ????ASTM A333Grade11	GB/T18984-2003 ????ASTM A333	??8-1240*1-200	??????-45?桫-195?漶??????????????????????????????????????
?????ˉ??	20G ????ASTM SA106B/C ????ASTM SA210A/C ????ST45.8-III	GB5310-1995 ????ASTM SA106 ????ASTM SA210 ????DIN17175-79	??8-1240*1-200	??????????????ˉ???????????????????
????????	10 ????20 ????16Mn	GB6479-2000	??8-1240*1-200	?????????????-40--400?湤??????10-32Mpa??????豸?????
????????	10 ????20	GB9948-2006	??8-630*1-60	??????????????ˉ???????????????
???????ˉ??	10# ????20# ????16Mn<Q345A.B.C.D.E>	GB3087-2008	??8-1240*1-200	????????????????????????ˉ????????ˉ
?????????	10#??20# ????ASTM A106A,B,C??A53A,B ????16Mn<Q345A.B.C.D.E>	GB/T8163-2008 ????ASTM A106 ????ASTM A53	??8-1240*1-200	???????????????????????
??????	10#??20#??45#??27SiMn ????ASTM A53A,B ????16Mn<Q345A,B,C,D,E>	GB/T8162-2008 ????GB/T17396-1998 ????ASTM A53	??8-1240*1-200	??????????????????????е?????
??????	J55??K55??N80??L80 ????C90??C95??P110	API SPEC 5CT ????ISO11960	??60.23-508.00 ????*4.24-16.13	???????????г?????????????????????????????
?????	A??B??X42??X46??X52??X56??X60??X65??X70??X80????X95 ????L245??L290??L360??L415??L450	API SPEC 5L ????GB/T9711.1 ????GB/T9711.2	??32-1240*3-100	?????????????????е???????????????
?????	20??Q195??Q215A,B ????Q235A,B??Q345A,B,C,D,E	GB/T13793-1992 ????GB3091-2001	??32-630*1-30	??????????????????????????
???????	Q235A-B??Q345A-E	SY/T5037-2000	219-2820*4-20	????????????????????

????

?????????????

?????????

????API SPEC 5L????????????????
????GB/T9711?????й???????
?????????

?????????????????????е???????????????
??????????????????

????B??X42??X52??X60??X65??X70  L245  L290 L320 L360 L390 L450 L485
??????繫??:
????

???????	???????D??	?????S??
????	????? (mm)	???????(mm)	?????(mm)	???????(mm)
??60.3??S??20	??0.75??	??73.0	??15??????12.5??
??60.3??S??20	??1.00??	??73.0??S??20	??15??????12.5??
		??73.0??S??20	??17.5??????10

????????????
????

???	???	????????MPa??	????????MPa??	?????	?????????	0?????? ????Akv??J??	???????
API SPEC 5L ????GB/T9711.2	B	??415	245??440	??0.80	22	??40	????
X42	??415	290??440	??0.80	21	??40	????
X52	??460	360??510	??0.85	20	??40	????
X60	??520	415??565	??0.85	18	??40	????
X65	??535	450??570	??0.90	18	??40	??????
X70	??570	485??605	??0.90	18	??40	??????

??????????:
????

???	???	???????????	CEV??????
C	Si	Mn	P	S	V	Nb	Ti
API SPEC 5L ????GB/T9711.2	B	??0.16	??0.40	??1.10	??0.020	??0.010	??	??	??	??0.42
X42	??0.17	??0.40	??1.20	??0.020	??0.010	??0.05	??0.05	??0.04	??0.42
X52	??0.20	??0.45	??1.60	??0.020	??0.010	??0.10	??0.05	??0.04	??0.45
X60	??0.21	??0.45	??1.60	??0.020	??0.010	??0.15	??0.05	??0.04	Э??
X65	??0.16	??0.45	??1.60	??0.020	??0.010	??0.06	??0.05	??0.06	??0.45
X70	??0.16	??0.45	??1.70	??0.020	??0.010	??0.06	??0.05	??0.06	??0.45

???????
????1??0.015????Altot??0.06????N??0.012????Al/N??2/1??Cu??0.25????Ni??0.30????Cr??0.30????Mo??0.10??
????2??V??Nb??Ti??0.15
????3??X60??X65??X70??Э??Mo??0.35??