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
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.
