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DIN 2391 ST45.4 / ST55 Pipe & ST45 DIN 2391 Carbon Steel Welded Tubes supplier


There are several benefits of using cold drawn steel components. Not only do they have an attractive surface, but the din2391 cold drawn high precision seamless tube is also almost 20 per cent tougher in comparison to a conventional hot rolled steel product. A cold working process performed on the material rallies the dimensional tolerances of the ST45 DIN 2391 Carbon Steel Welded Tubes, along with other properties like its straightness, while also intensifying the physical properties of the steel.

DIN 2391 ST45 Pipes

 

Grade ST 45 is essentially a medium carbon steel material that exhibits tensile strength properties that are modest at best. The material can be manoeuvred by processes such as hardening by means of quenching and tempering. These processes are performed on both the focused and restricted areas of ST45 DIN 2391 Carbon Steel Seamless Pipes. The material could also be stimulated with induction hardening, wherein the end product could eventually improve its hardness property to a level of about HRC 55. The DIN 2391 ST45 Carbon Steel Pipes in major instances, could be delivered in an unattended heat treatment state. Or in simple words, most of the times, these pipes tend to have a normalized delivery condition. However, if required by the buyer, the DIN 2391 St45 Seamless Precision Steel Tubes could be supplied in numerous heat treatment variations. On some occasions, if the application demands it, manufacturers could furnish this particular carbon steel material with minor changes with regards to its chemistry.

Machinability of grade DIN 2391 ST45 Pipes is comparable to that of mild steel products such as grade CR1. On the other hand, the weldability of grade ST 45 is much lower than that exhibited by mild steel.

Check ST45.8, C22 Feed Water Heater Tube price in India



Carbon Steel DIN 2391 ST45 Tubing material specification chart

View online inventory of DIN 2391 Grade ST55 Evaporator and economizer tube


Standard DIN 2391
Grade ST45
Size OD (4-190mm) x WT (0.5-15mm)
Outer Dimensions 4.0mm – 60.0mm
Wall Thickness 0.5mm – 8 mm
Length max 6000mm

DIN 2391 ST45 Carbon Steel Pipes Chemical Properties

Chemical Composition & Mechanical Strength of ST55.4 Steel Pipes

Standard Grade C Si Mn P max S max
DIN2391 St45 ≤0.21 ≤0.35 ≥0.4 0.025 0.025

Various types of ST45 DIN 2391 Carbon Steel Seamless Pipes

Carbon Steel DIN 2391 ST45 Pipes & din2391 cold drawn high precision seamless tube for 0.15 to 0.25 °C

DIN 2391 ST45 Carbon Seamless STEEL PIPE Schedule 120 Steel Pipe
DIN 2391 ST45 Carbon Seamless STEEL PIPE Schedule 120 Steel Pipe
DIN 2391 ST45.4 seamless steel pipe sch40 seamless pipe
DIN 2391 ST45.4 seamless steel pipe sch40 seamless pipe
DIN 2391 ST45.8 Black steel schedule 40 seamless pipes
DIN 2391 ST45.8 Black steel schedule 40 seamless pipes
DIN 2391 Standard ST45 C22 Precision Steel Pipe Tube
DIN 2391 Standard ST45 C22 Precision Steel Pipe Tube
DIN 2391 ST55 Hydraulic Steel Tube Pipe
DIN 2391 ST55 Hydraulic Steel Tube Pipe
DIN 2391 ST45 galvanized steel pipe
DIN 2391 ST45 galvanized steel pipe
DIN 2391 ST45.4 OD 5mm customized cold drawn seamless pipe
DIN 2391 ST45.4 OD 5mm customized cold drawn seamless pipe
Chrome Plated Seamless DIN 2391 ST55.4 Honed Pipe
Chrome Plated Seamless DIN 2391 ST55.4 Honed Pipe
DIN 2391 ST45 precision seamless carbon steel pipe
DIN 2391 ST45 precision seamless carbon steel pipe

Mechanical Characteristics of Carbon Steel DIN 2391 ST45 Piping

 

Cold drawn(Mandatory)

Cold drawn(Soft)

Cold Drawn and Stress Release

Anneal

Normalizing

BK1

BKW1

(BKS)

(GBK)1

(NBK)1

Grade

Tensile

Elongation

Tensile

Elongation

Tensile

Yield point

Elongation

Tensile

Elongation

Tensile

Yield point

Elongation

N/mm2

%

N/mm2

%

N/mm2

N/mm2

%

N/mm2

%

N/mm2

N/mm2

%

St45

580

5

520

8

520

375

12

390

21

440~570

255

21


Dimension Tolerance of DIN 2391 ST45 Pipe

OD Tolerance

4-30mm

31-40mm

41-50mm

51-60mm

61-70mm

71-80mm

81-90mm

91-100mm

±0.08mm

±0.15mm

±0.20mm

±0.25mm

±0.30mm

±0.30mm

±0.40mm

±0.45mm

WT Tolerance

±10%