Carbon Steel Square Pipe

Product Name : Carbon Steel Pipe
Material: A53 Gr.B,A36,ST52,ST35,ST42,ST45,X42,X46,X52,X60,X65X70
Standard: API 5L,ASTM A106 Gr.B,ASTM A53 Gr.B,ASTM A179/A192,ASTM A513,ASTM A671,ASTM A672,BS EN 10217,BS EN10296,BS EN 39,BS6323,DIN, EN10217
Certificates :API 5L,ISO9001,SGS,BV,CCIC
Outer Diameter :15mm-1200mm
Length :1m,4m,6m,8m,12m according to buyer's request
Surface Treatment :black paint,varnish,oil,galvanized,anti-corrosion coated
Marking: Standard marking,or according to your request.Marking Method:Spray white paint
End Treatment: Plain End/Bevelled End/Grooved End/Threaded End With Plastic Caps
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// Product  Description //

ace of Origin:China
Oiled or Non-oiled:Non-oiled
Alloy Or Not:Non-Alloy
Tolerance:±1%
Special Pipe:Thick Wall Pipe,EMT Pipe
Outer Diameter:13 - 600 mm
outer meter10*10-600*600mm
wall thickness0.4-25mm
Length:1-12m
Shape:Round, Square or Rectangular
Itmes:4 6 12 inch SCH 40 80 black carbon steel pipe
processing serviceBending, Welding, Decoiling, Punching, Cutting
Secondary Or Not:Non-secondary
technologyhot rolled, cold rolled, black annealed
Keyword:welded steel pipe
End protector:Plastic Pipe Cap
Thickness:0.35 - 100mm
Standard:API, ASTM, bs, GB, API 5L, ASTM A106-2006,ASTM A53-2007, BS 1387, BS 1139, BS EN10219, GB 3087-1999, GB/T3901,EN, BS, JIS
Technique:ERW /LSAW/SSAW
Surface Treatment:Paint oil; Varnish; Galvanized;Galvanize the raw strip steel;
Certificate:Bsi, RoHS, SNI, BIS, SASO, SONCAP, sirm, ISO9001,API,ISO
Grade:

10#, 20#, 45#, Q235, Q345, Q195, Q215, ST52, ST42, ST35, 10#-45#, Q195-Q345, 

 ST35-ST52Q235, Q235B, S275, S275jr, A53, st37,  st52Q195 → Grade B,  

SS330,SPHC, S185Q215 → Grade C,CS Type B,SS330, SPHCQ235 → Grade D,SS400,S235JR,S235JO,S235J2Q345 → SS500,ST52

Usage:

mechanical manufacture, construction field, metallurgy industry, farm vehicles, 

 agriculture greenhouse, automotive industry, railway, highway guardrail, container frame, 

 furniture, decoration, steel structure,Chemical Fertilizer Pipe,Structure Pipe, Building Construction

packageStandard Seaworthy Packingtied with steel trips,then wrapped by plastic material or as request
Payment Term:L/C T/T (30%DEPOSIT)


Carbon steel pipe.jpg


Chemical Composition

A53gradeCMnPSCuNiCrMoV
Type S (Seamless)A0.250.950.050.050.40.40.40.150.08
B0.31.20.050.050.40.40.40.150.08
Type E (resistance welding)A0.250.950.050.050.40.40.40.150.08
B0.31.20.050.050.40.40.40.150.08
Type F (furnace weld)A0.31.20.050.050.40.40.40.150.08


Mechanical Behavior

A53grade Agrade B
tensile strength min.psi(MPa)48,000(330)60,000(415)
yield strength min.psi(MPa)30,000(205)35,000(240)


Physical Property

Density 20°CKg/dm³The elastic modulus of kN/mm²Thermal conductivity of 20°CW/m KHeat capacity of 20°CJ/kg KResistivity of 20°CΩmm²/m
20C°300C°400C°450C°
7.85210192184179514610.20


Applied Range

Construction: underground pipeline, groundwater, hot water transportation, machining, bearing sleeve, processing machinery parts, etc

Electrical: natural gas transmission, hydroelectric fluid pipeline, anti-static pipe for wind farm, etc.


// Packaging and Shipping //

Our Service Process

Specification Matching

We analyze your industrial applications to precisely match steel grades and standards. From carbon steel thickness to galvanized spangle requirements, all specifications are aligned before production.

Customized Production

Utilizing modern, high-precision processing equipment, we execute strict cutting and rolling for your steel orders to ensure precise tolerances and reliable structural stability.

Rigorous Quality Control

Every batch undergoes strict inspections, including dimensional accuracy, tensile strength, and coating thickness tests, ensuring a clean, optimized surface that meets international standards.

Global Logistics

We partner with top-tier shipping lines to guarantee secure, moistureproof packaging and fast delivery worldwide, securing a stable supply chain for your business.

Looking for More Information for service assistance? Contact Us

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