EN10305-1 E235+N NBK Precision Seamless Tube For Automobile Usage
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:E235+N,ST37.4,ST52.4
Minimum Order Quantity:100KGS
Delivery Time:7DAYS
Payment Terms:L/C, T/T
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Ningbo Zhejiang China
Address:
20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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Product Details
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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