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Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

Categories Precision Seamless Steel Tubes
Brand Name: Torich
Model Number: DIN2391
Certification: TS16949
Place of Origin: China
MOQ: 5tons
Price: negotiation
Payment Terms: L/C, T/T
Supply Ability: 5000tons per year
Delivery Time: 5-8 week days
Packaging Details: In bundles
Material: CK45
Standard: DIN2391
Production method: Cold rolled
Length: Customer requirement
Certificates: DIN2391
Brand name: Torich
Delivery time: 30-45 days
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Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube


TORICH is a professional steel tubes supplier from China with over 23 years manufacturing and exporting experience.
Our main products are seamless precision pipe,carbon steel seamless precision pipe,alloy steel seamless precision pipe, stainless steel seamless precision pipe.The material we usually use for producing Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube is10#,20#,1010,1020,1026,ST37,ST44,E235,E215,E355

Chemical Composition

Steel gradeC
max.
Si
max.
Mn
max.
P
max.
S
max.
Altot
min.
NameNumber
E2151.02120.100.050.70.0250.0150.025
E2351.03080.170.351.20.0250.015--
E3551.05800.220.551.60.0250.015--


Tolerance

Outer DiameterAllowable tolerancespecial tolerance
GB/T3639DIN2391ODWT
4mm-20mm±0.10mm±0.08mm±0.05mm±0.05mm
20mm-30mm±0.10mm±0.08mm±0.08mm±0.08mm
31mm-40mm±0.15mm±0.15mm±0.10mm±0.08mm
41mm-60mm±0.20mm±0.20mm±0.15mm±0.15mm
61mm-80mm±0.30mm±0.30mm±0.20mm±0.20mm
81mm-120mm±0.45mm±0.45mm±0.30mm±0.30mm


Mechanical Properties

Steel gradeYield strengthaTensile strengthElongation
NameNumberReHRmA
min.min.min.
MPaMPa%
E2151.0212215290 to 43030
E2351.0308235340 to 48025
E3551.0580355490 to 63022




Delivery Condition

DesignationSymbolDescription
Cold finished (hard)BK(+C)
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation
Cold finished (Soft)BKW
(+LC)

The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)
Cold finished and stress-relievedBKS(+SR)
Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.
AnnealedGBK(+A)The last Cold forming process is followed by annealing in a controlled atmosphere.
NormalizedNBK(+N)The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.

Seamless Precision Steel Tube

Seamless Precision Steel Tube

Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube 2Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube 3Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube 4Seamless Precision Steel Tube CK45 DIN2391 Cold Rolled Tube 5

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