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OD:Φ1.050"--4-1/2"
WT:0.113"--0.630"
Grade：J55,K55,N80-1,N80Q,R95,L80-1,L80-9Cr, L80-13Cr,C90,T95,C110, P110,Q125,V140, V155 etc.
Standard：API 5CT or otherwise agreed
End-Finish：PE,NUE,EUE
OD:4-1/2"--20"
WT:0.205"--0.635"
Grade:J55,K55,M65,N80-1,N80Q,R95,L80-1,L80-9Cr,L80-13Cr,C90,T95,C110,P110,Q125,V140,V155,etc.
Standard：API Spec 5CT or otherwise agreed
End-Finish：PE,STC,LTC,BTC
WT: 0.113"～0.875"
WT: 0.113"～0.875"
Grade:J55,K55,M65,N80-1,N80Q,R95,L80-1,L80-9Cr,L80-13Cr,C90,T95,C110,P110,Q125,V140,V155,etc.
Standard：API Spec 5CT or otherwise agreed
End-Finish：PE,NUE, EUE, STC,LTC,BTC
OD: 2-3/8"--18-5/8"
WT: 0.236"--4.725"
Grade：J55,K55,M65,N80-1,N80Q,R95,L80-1,L80-9Cr,L80-13Cr,C90,T95,C110,P110,Q125,V140,V150, V155etc.
Standard: API Spec 5CT,WS or Otherwise Agreed
OD：2"--30"
WT: 0.236"--4.725"
Grade：J55,K55,M65,N80-1,N80Q,R95,L80-1,L80-9Cr, L80-13Cr,C90,T95,C110,P110,Q125,V140,V155, 4130, 4130Mod, 4330V, 4340, 4145H, 4137H, 4145Mod etc.
Standard：API Spec 5CT/ASTM A519 Otherwise Agreed
OD:2-3/8"--13-3/8"
WT: 0.205"--0.875"
Grade：J55,K55,M65,N80-1,N80Q,R95,L80-1,L80-9Cr, L80-13Cr,C90,T95,C110,P110etc.
Standard：API Spec 5CT or Otherwise Agreed
OD：2-3/8"--7"
WT：0.039"--1.181"
Inventory Size: Φ60.3mm×5mm,Φ68mm×5.5mm,Φ73.02mm×9mm,Φ85.73mm×9.5mm,
Φ88.9mm×8.8mm,Φ101.6mm×9mm,Φ127mm×11mm,Φ177.8mm×12.65mm, etc.
Grades：35CrMo,26CrMo4,32CrMo4,27MnCrMoVNb,26CrMoNbTiNb,etc.
Standard： Q/BQB 232,Q/OHAD005,API Spec 5CT or Otherwise Agreed
OD：1/8"～30"
WT: 0.250"～1.9"
Regular inventory sizes:Φ88.9*15.24,Φ101.6*19.05,Φ114.3*19.05,Φ139.7*31.75,Φ141.3*17.12, Φ141.3*19.05,Φ141.3*31.75,Φ168.3*21.95,Φ171.5*22.23
Grade：35CrMo ,4130,4140,4145 etc.
Standards：ASTM A519//NACE MR0175,NACE TM 0177 or specification as agreed
Mechanical properties：Yield strength≥517Mpa，Tensile strength≥655Mpa， HRC≤22
OD：2"-30"
WT: 0.236"--4.725"
Grade : E75,X95,G105,S135,etc.
Standard：API SPEC 5D,API SPEC 7DP,etc.
End-Finish:EU,IU,IEU, etc.
Size：3-1/8"×1-1/4"～11"×3"
Grade:AISI 4145H, P530, P550
Standard：ASTM A304, API SPEC 7-1, API SPEC 7-2, API SPEC 5DP or otherwise agreed
OD: 1.9"--18-5/8"
WT: 0.113"--1.967"
Specs: API 5CT or Otherwise Agreed
--Products for anti- H2S Corrosion
Grades:BG80S ,BG80SS ,HS80S ,HS80SS ,BG95S ,BG95SS ,HS95S ,HS95SS ,BG110S ,BG110SS ,HS110S ,HS110SS,etc.
--Products for anti- CO2 Corrosion
Grades：L80-9Cr, L80-13Cr, BG55-1Cr, BG80-1Cr, BG90-1Cr, BG110-1Cr , BG80-3Cr, BG90-3Cr,BG110-3Cr, etc.
-- Economic Products for anti- H2S+CO2+Cl corrosion
Grades：BG80S-3Cr ,BG90S-3Cr, HS110S-3Cr,HS90S-3Cr,HS110S-3Cretc.
External Size：Φ4-1/2"×0.250" (Φ114.3mm×6.55mm),Φ4-1/2"×0.271" (Φ114.3mm×6.88mm), Φ7"×0.317" (Φ177.8×8.05mm) etc.
Internal Size：Φ2-7/8"×0.217" (Φ73.02mm×5.51mm),Φ3-1/2"×0.254" (Φ88.9mm×6.45mm), Φ5"×0.296" (Φ127×7.52mm) etc.
Grade：BG80H,BG110H,HS90H,HS95H,HS110H,HS95H-3Cr,HS110H-3Cr etc.
Standard： API 5CT,Q/BQB 234, HK29-2011 or Otherwise Agreed
End-Finish：PE, NUE, EUE, STC, LTC, BTC, HSM-1, HSM-2, HSN
