Product DescriptionWhy you choose us?1) HIGH QUALITY---We can
guarantee for YOU!!2) LOW PRICE--We can try the best to give
YOU!!3) 24 HOURS ONLINE SERVICE--We never stop serving
YOU!!4) SMALL ORDER IS ACCEPTABLE--YOU are warmly
welcomed to contact us!!PRODUCT INFORMATION Carbon Seamless
Steel Pipe / tubesSeamless steel pipe is a tubular section or
hollow cylinder, usually but not necessarily of circular
cross-section, used mainly to convey substances which can flow -
liquids and gases (fluids), slurries, powders and masses of small
solids.Hot rolled seamless steel pipe deformation process can be
summarized as three stages: extension, perforation and finishing.
Hot rolled seamless steel pipes is relative to the cold-rolled,
cold rolling is below the recrystallization temperature of the
rolling and hot rolled is carried out at above the
recrystallization temperature of the rolling. Hot rolled seamless
steel pipe can damage the refinement of the crystal grains of the
steel, cast microstructure of the steel ingot and eliminate the
defects of the microstructure so that the the steel organization
compacting, improves the mechanical properties. This improvement is
reflected in the rolling direction so that the steel is no longer
at a certain extent isotropic; pouring the formation of bubbles,
cracks and osteoporosis, under high pressure and temperature can
also be welded together.Hot Rolled Steel Pipes (Seamless Tube) in
different size, specifications, grades & thickness as per the
client's requirements. The range offered by tubes is available as
per the international & national standard and can be available from
us at affordable prices. These pipes are used in various
application industry like shipbuilding, power plants, oil and gas,
automotive, sugar mills and distilleries, cement and construction
industries et Out Diameter13.7mm-914mmWall
Thickness2mm-120mmLength2m-12mProducing StandardAmerican ASME
B36.10M, ASTM API 5L, API 5CTJapanese JIS,German DIN,Chinese GB,BS
standardSteel GradeASTM A53, A106, A210, A252, A333 etc;P.S.L.1: A,
B, x42, x46, x52, x56, x60, x65, x70P.S.L.2: B, x42, x46, x52, x56,
x60, x65, x70, x80JIS STPG42, G3454, G3456 etc;DIN St37, St42,
St45, St52, DIN1626, DIN17175;GB 20#, Q345, 16Mn etc.Special
specificationsAvailable according to customer's requirements and
quantity.End ShapeBeveled end, plain end, varnished, or adding
plastic caps to protect the two ends as per customer's
requirementsSurface treatmentPainted, Oiled, galvanized, phosphate
etcUsage1.Widely used in the mechanical treatment field,
petrochemical industry, transport and construction field2.Ordinary
structural purposes and mechanic structural purposes, for example
in construction field, fulcrum bearing etc;3.The transportation of
fluids in the projects and big equipments, for example transport of
water, oil, gas etc4.Can be used in low and medium pressure boiler
for the transportation of fluids, for example steam tube, big smoke
tube, small smoke tube, generating tube etcThird party
inspectionWelcome you to send a third party inspecting company (BV,
SGS etc) to check the quality of our final products.ASTM
A53 Carbon Steel Pipe & TubeASTM A53 (ASME SA53) carbon
steel pipe is a specification that covers seamless and welded black
and hot-dipped galvanized steel pipe in NPS 1/8″ to NPS 26. A
53 is intended for pressure and mechanical applications and is also
acceptable for ordinary uses in steam, water, gas, and air
lines.ASTM A53 seamless steel pipe chemical
composition:GradeChemical Composition (%)
Max.CMnPSCuNiCrMoVA0.250.950.050.0450.400.400.400.150.08B0.301.200.050.0450.400.400.400.150.08ASTM
A53 seamless steel pipe mechanical properties:GradeMechanical
PropertiesTensile Strength (Mpa)Yield Strength (Mpa)A≥48,000
(≥330)≥30,000 (≥205)B≥60,000 (≥415)≥35,000 (≥240)API 5L line
pipe (Seamless and welded pipe) of all grades have P.S.L.1 and
P.S.L.2 two product specifications, they are different on chemical
composition, manufacturing processes, mechanical strength, heat
treatment, test records, traceability etc.P.S.L is the short name
of product standard level. The product standard level of line pipe
have P.S.L.1 and P.S.L.2, also we could say the quality standard
divided in P.S.L.1 and P.S.L2. P.S.L2 is higher than P.S.L.1, not
only the inspection standard is different, also the chemical
property, mechanical strength standards are different. So when
place the order for the API 5L line pipe, there should be stated
clearly for the size, grades these general specification, also have
to clarify the production standard leve, PSL1 or P.S..L2.P.S.L.2 is
more strictly than P.S.L1 on the chemical properties, tensile
strength, non-destructive test, and impact test.API 5L P.S.L.1
steel line pipe not required to do the impact test.For API 5L
P.S.L.2 steel line pipe, except Grade X80, all the other grades of
API 5L line pipe required the impact test at temperature of 0ºC.
The average value of Akv: longitudinal direction≥41J, tranverse di
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