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EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage

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EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage

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Brand Name : YUHONG

Model Number : E235+N,ST37.4,ST52.4

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 100KGS

Payment Terms : L/C, T/T

Delivery Time : 7DAYS

Packaging Details : Plywood case,Bundle

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)

USAGE : Heat Exchanger Tube, Boiler Tube

STANDARD : EN10305-1

MATERIAL : ST37.4, ST52.4,E235+N

WT : 0.89,1,1.24,2.11MM....

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EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage

Description:
Grade:St 35 / St37 / St37.4 / St45 / St 52 / St52.4/ E215 / E235 / E355
Standard: DIN 2391, EN10305-1, EN10305-4, BS 6323, ISO 8535
DIN2391 Precision steel tube
STEEL GRADE: ST30Si, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, etc
Size:(mm)
OD: 6 mm ~ 350mm
WT: 0.8 mm ~30mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Normal sizes:8*1mm,10*1mm,16*1mm,18*1mm,25*1mm,18*1.5mm, 25*2.5mm....

Chemical Composition

Steel Grade Chemical Components (%)
Steel Name Steel Number C

max.

 Si

max.

 Mn

max.

 P

max.

 S

max.

 AL

min.
E215 1.0212 0.10 0.05 0.7 0.025 0.025 0.025
E235 1.0308 0.17 0.35 1.2 0.025 0.025 /
E355 1.058 0.22 0.55 1.6 0.025 0.025 /

Delivery Conditions

The tubes shall be manufactured from hot finished seamless tubes by cold drawing or other suitable processes. The tubes shall be supplied in one of the delivery conditions as follows:

Designation Symbol Description
Cold drawn/hard +C No heat treatment after the final cold drawing process.
Cold drawn/soft +LC After the final heat treatment there is a suitable drawing pass.
Cold drawn and stress relieved +SR After the final cold drawing process there is a stress relief heat treatment in a controlled atmosphere.
Annealed +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
Normalized +N After the final cold drawing operation, the tubes are normalized in a controlled atmosphere.

Delivery Condition Symbol in accordance with EN10305 and DIN2391

Symbol in accordance with EN 10305 Symbol in accordance with DIN2391
+C BK
+LC BKW
+SR BKS
+A GBK
+N NBK

EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage


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EN10305-1 E235+N Seamless Tube

      

NBK Seamless Tube

      

Automobile Usage Seamless Tube

      
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