详情
we main produce ERW
SEW LSAW SSAW seamless:HS code *******0.
welded pipe:Q**5
Q**5 X*0 X*0 X*0 X*2 N*0 L**0 L**0 for pipe line, SM**0A
AS***3 Gr.6 Gr.*0 A**6 Gr.B.according API 5L,PSL1
PSL2.
special
material:SR**5jr S**5J2G3 DIN ****0 C*2 SS**0 STS*9
STB*2 JIS STKR**0.
seamless pipe:Gr.B
*0# *5# *5# X*2 X*2 AISI****0/***4/***5.
Special
material:Gr.A S**5JR L**5 L**0 SD**0 XC*0 CK*2 *7SiMn A**8A
A**9C A**4C A**0A A**6 A**5B ASTM-A**0 A**7 A**8M E**4B
E**5C SS*1 G***2 SD**0 RB**0 etc
oil casing:J*5 K*5
N*0 L*0 P**0 C*0 C*5 T*5 P**0 Q**5,sucker rod high precision
pipe,BTC LTC STC EUE.
russia
standard:Gost ***0 /******1/***2/***4/***0/ Grade**0 S*5 S*8
S*0C.
according API 5CT
5L ,DNV,include FBE 2PE 3PE 2PP 3PP.NACE MR***5
