Seamless Steel Pipes
As the leading supplier and distributor , UNIONLEVER supply various kinds of carbon steel , alloy steel pipes used for power station boilers, natural gas transportation, machinery, petroleum, chemical, shipbuilding, nuclear power, and many other industries.
Product List
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Type of Steel Tubes
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Models of Steel Tubes
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Standards
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Seamless steel tubes in large calibers for high pressure boilers
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20G, 20MnG, 25MnG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 10CrMolVNbN,
SA106B/C, SA335, P5, P9, P11, P12, P22, P91,
ST45.8/Ⅲ, 13CrMo4-5, 15NiCuMoNb5-6-4
(WB36), 10CrMo9-10, X10CrMoVNb9-1,
X10CrWMoVNb9-2, E335, S335J2H
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GB5310, ASME SA106, ASME SA335, DIN 17175, EN10216-2, EN10210-1
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Mechanical tubes
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4140
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ASTM A519
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Seamless steel tubes in large calibers for gas cylinders
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4130X
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GB 18248
ASTM A519
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Seamless steel tubes in large calibers for oil casing and tubing
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J55, K55, N80, L80, P110, Q125, etc.
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API SPEC 5CT
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Seamless steel line pipes
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X40, X52, X65, X70, etc.
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API SPEC 5L
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Seamless steel tubes in large calibers for high-pressure chemical fertilizer processing equipment
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10, 20, 16Mn, 10MoWVNb, 15CrMo, 1Cr5Mo, 12Cr2Mo, etc.
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GB6479
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Seamless steel tubes in large calibers for petroleum cracking
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10, 20, 15CrMo, 1Cr2Mo, 1Cr5Mo, etc.
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GB9948
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Seamless steeI tubes in large calibers for structures
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10, 20, 35, 45, Q345, 15CrMo, 12Cr1MoV,
A53A, A53B, SA53A, SA53B, etc.
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GB/TB162
ASTM A53, ASME SA53
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Seamless steel tube in large calibers for transmission of fluids
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10, 20, Q345, etc
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GB/TB163
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Seamless steel tubes in large calibers for ships
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GL Standard
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GL-R410, GL-R410W,
GL-R510W, 1Cr0.5Mo,
2.25Cr1Mo, S335J2H
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Germanischer Lloyd Germanischer Lloyd(GL)
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LR Standard
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410, 490, 1Cr0.5Mo, 2.25Cr1Mo
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Standard of Lloyd’S Register of UK(LR)
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ABS Standard
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A106B, P11, P12, P22
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Standard of American Bureau of Shipping(ABS)
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BV Standard
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410HB, 460HB, 410, 460,
1Cr0.5Mo, 2.25Cr1Mo
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Standard of BUREAU VERITAS(BV)
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DNV Standard
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A106B, A106C, P12, P22
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Standard of DNV Det Norske Veritas(DNV)
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RINA Standard
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410HB, 460HB, 510HB,
1Cr0.5Mo, 2.25Cr1Mo
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Standard of RINA Italian classification society(RINA)
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NK Standard
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Seamless steel tubes for pressure pipe-line
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Standard of NIPPON KAIJI KYOKAI(NK)
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circular plates for offshore platform
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ASTM A517Q, ASTM A514Q
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ASTM A517, ASTM A514
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Steel tubes for nuclear power
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P265GH, P295GH, TU48C
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EN10216-2, NF A49-213
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Hydraulic supporting tubes for colliery
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ZDQ700, 27SiMn
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GB/T17396
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Rotary & Handling Tools
