DIN 2440 Grade St 33-2 Seamless Carbon Steel Pipe

Item No.: 00176
DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes are also known as mild steel pipes and tubes.DIN 2440 Grade St 33-2 Tubes, are low-cost Low Carbon Steel Tubes with – % carbon content with combination of – % manganese easy to form and shape .
Description
Description
DIN 2440 Grade St 33-2 Seamless Carbon Steel Pipe

  DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes are also known as mild steel pipes and tubes.DIN 2440 Grade St 33-2 Tubes, are low-cost Low Carbon Steel Tubes with – % carbon content with combination of – % manganese easy to form and shape .These pipes are manufactured as per DIN Specification and commercially referred as cs pipes or ms pipes.Low Carbon Steel Pipes are not as hard as hig carbon steel pipes,Though carburizing can increase its surface hardness.

  Hebei shengtian pipe-fitting group Co., ltd. is considered as the most Reliable DIN 2440 Grade St 33-2 Pipes Supplier from China

The DIN 2440 standard applies to medium-weight tubes suitable for screwing used in applications of medium pressure air and non-hazardous gases. The most common material is St33.2(also known as S185) conforming to DIN 17100. DIN 2440 steel pipes are often supplied in seamless type with zinc coating.

Seamless Steel Tubes DIN 2440 St33-2
The DIN 2440 Grade St 33-2 Round Pipes are the most used ones where the other forms such as square pipes are available. The chemical composition of the pipes contains carbon, silicon, manganese, chromium, nickel and molybdenum.

DIN 2440 ST 33-2 Pipe Specification
Standard  DIN 2440
Grade ST 33-2, ST33-2, ST 33.2
Outside Diameters 32-630mm
Wall Thickness 2.5-75mm
Length any length
Certification DIN 2440 Grade St 33-2 Carbon Steel Seamless Tubes are certified with Mill test Certificate in accordance with En 10204 Type 3.1/3.2. Where 3.2 indicates In-stage inspection by independent inspection agencies like TUV, DNV, BVQS, LLOYDS & EIL.
Testing Requirement IBR, NACE MR 0175,NACE MR 0103, HIC, IGC.
Surface Protection DIN 2440 Grade St 33-2 Tubes are supplied in varnished condition in order to prevent formation of rust.


Chemical Composition of DIN 2440

Grade Mfg. Process DIN 2440 ST 33-2 Chemical composition((%))
C Si Mn P S Ni Cr Mo Others
St33.2 S, W rdf.DIN 17100 - - - - - - -

Equivaent Grades of Carbon Steel ST 33-2 Tubes

DIN 2440 ST 33-2 Equivalent Designation
DIN EN BS NFA ASTM ASME
DIN 2440 Grade St 33-2 - - - -

Mechanical properties of Carbon Steel ST 33-2

Grade Tensile Test MPa or N/mm2 Remaks (Similar to JIS)Similar to KS Possibility Temperature
Min Yield point Tensile Strength
St33.2 - - (SGP)(SPP)  

ST 33.2 Tube OD/Wall tolerance

Outer diameter and wall Thickness
Execution Size Range OD Tolerance Wall tolerance
DIN 2440 ST33-2 Hot-rolled Tube OD – 80 mmOD > 80 mmWall ± 0.4 mm± 0.5 % of OD ± 0.7 mm± (5 % x wallthickness + 0.1 mm
DIN 2440 ST33-2 Hot-rolled peeled tube All sizesWall + 0.25/- 0 mm ± 0.8 mm± (5 % x wall thickness+ 0.2 mm)
DIN 2440 ST33-2 Cold Worked tubecold-rolled or cold-drawn OD 80 Wall Thickness 8 + 0.30/- 0 mm*+ 0.35/- 0 mm*+ 0.40/- 0 mm* ± 0.30 mm± 0.35 mm± 0.40 mm

Standards of seamless steel pipe 

API SPEC 5L
Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
Line Pipes API 5L Ø10.3~1200 x WT1.0~120 A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2
 
API SPEC 5CT
     Product Name      Executive Standard Dimension (mm) Steel Code / Steel Grade
     Casing API 5CT Ø114~219 x WT5.2~22.2 J55, K55, N80, L80, P110
     Tubing API 5CT Ø48.3~114.3 x WT3.2~16 J55, K55, N80, L80, P110

DIN
Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
Seamless Steel Tubes for Elevated Temperature DIN 17175 Ø10~762 x WT1.0~120 St35.8, St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36
Seamless Steel Tubes DIN 1629 / DIN 2391 Ø13.5~762 x WT1.8~120 St37.0, St44.0, St52.0, St52.3
Seamless Steel Tubes DIN 2440 Ø13.5~165.1 x WT1.8~4.85 St33.2
Seamless Steel Pipes for Structural Purpose DIN 2393 Ø16~426 x WT1.0~36 RSt34-2, RSt37-2, RSt44-2, St52

 
BS
Product Name Executive Standard Dimension (mm) Steel Code / Steel Grade
Seamless Steel Tubes for Machine Structure BS 970 Ø10~762 x WT1.0~120 Carbon Steel
Seamless Steel Tubes for Boiler and Heat Exchangers BS 3059 Ø10~762 x WT1.0~120 360, 410, 440, 460, 490


  DIN 2440 Grade St 33-2 Seamless Carbon Steel Pipe,DIN 2440 Grade St 33-2 standard applies to seamless tubes including tubes for headers of heat-resistant steels which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600″ and at simultaneous high pressures, where the to total stress and the relevant scaling conditions can raise or lower the temperature limit. Our pipe are been supplied in both Plain Square cut,Deburred Ends or Bevelled End. This can be provided with Mill Standard Varnished ,stencilled and bundle Strapped with end caps fitted. Each Bundle is packed according to the customer requirement for export orders.

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