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EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized

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China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale
  • China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale
  • China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale
  • China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale
  • China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale
  • China EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized wholesale

EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized
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Brand Name :YUHONG
Model Number :EN10305-1 E235+N（1.0308）
Certification :ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :CHINA
MOQ :100KGS
Payment Terms :T/T, L/C
Delivery Time :15-35 DAYS
Packaging Details :According to Client Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap
Price :Negotiable
Supply Ability :According to Client Requirements
OD :3/4" (19.05), 1"(25.4) , 1-1/4"(31.75), 1-1/2"(38.1), 2" (50.8), 2-1/2"(63.5) , 3" (76.2)
STANDARD :EN10305-1
WT :0.89,1,1.24,2.11MM....
USAGE :Heat Exchanger Tube, Boiler Tube
MATERIAL :T37.4, ST52.4,E235+N
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EN10305-1 E235+N NBK SEAMLESS PRECISION TUBE GALVANIZED

Delivery Status: NBK (+N) BKW (+LC) GBK (+A) BKS (+SR) BK (+C) OD x WT = 4~120 x 0.5~15mm

DIN2391 St52.4+N Phosphated Hydraulic Tube

Description:
Precision steel tube
Grade:
St 30 Si / St 30 Al
/ St 35 / St37 / St37.4 / St45 / St 52 / St52.4
/ E215 / E235 / E355
Precision in size,Bright for the surface, high ability of mechanical performance
Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323, ISO 8535
DIN2391 Precision steel pipe
STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc
Size:(mm)
Out Dimensions: 6 mm ~ 350 mm
Wall Thickness: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)

Final supply conditions:
Cold finished(hard)BK
Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high
resistance to deformation.
Cold finished(soft)BKW
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-relieved BKS
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.
Annealed GBK The last cold forming process is followed by annealing in a controlled atmosphere.

Normalized NBK
The last cold forming process is followed by annealing above the upper transformation point in a controlled

atmosphere.

Chemical Composition:

Steel grade

Chemical composition,
as a percentage by mass

Symbol

Material
number

C max.

Si max.

Mn

P
max.

S
max.
St 30 Si 1.0211 0.10 0.30 <=0.55 0.025 0.025
St 30 Al 1.0212 0.10 0.05 <=0.55 0.025 0.025
St 35 1.0308 0.17 0.35 <=0.40 0.025 0.025
St 45 1.0408 0.21 0.35 <=0.40 0.025 0.025
St 52 1.0580 0.22 0.55 <=1.60 0.025 0.025

The following alloying elements may be added:
Nb: <=0,03%; Ti: <=0,03%; V: <=0,05%; Nb + Ti + V: <=0,05%.
Steel grade Chemical Composition(%):
Steel name Steel number C max Si max Mn P max S max Al min
E215 1.0212 0.10 0.05 0.70 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.20 0.025 0.025 -
E355 1.0580 0.22 0.55 1.60 0.025 0.025 -

EN10305-1 E235+N（1.0308） NBK SEAMLESS PRECISION TUBE Galvanized

Product Tags:

e235 e355 galvanized steel tube

e355 galvanized steel tube

st52 galvanized steel tube
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