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[Province: Zhejiang ]   
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NBK Seamless Steel Tubes
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NBK Seamless Steel Tubes

Price: 800.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • Technique: Seamless 
  • Brand Name: New Era 
  • Grade: St35,ST45,ST52 
  • Outer Diameter: 6--102mm 
  • Thickness: 1--15mm 
  • Length: max 12000mm 
  • Usage: Auto parts use 
  • Certification: ISO 9001-2008, TS16949 
  • Technique: Cold Drawn 
  • Section Shape: Round 
  • HS code: 73043190 
  • Payment Terms: TT 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Ton
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 2500 tons/month
  • Packing:Standard Export Package
  • Delivery Date: 45 days

Standard:Precision Seamless Steel Tubes DIN 2391/EN 10305-1

Material:ST35,ST37.4,ST37,ST45,ST52,ST52.4,E235,E255,E355,SAE1010,SAE1020

OD:6MM-102MM,WT:1-15mm

Delivery State:NBK

Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.

Length:5.8m,6m.

Package:Bundles or wooden cases.

Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.

Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects..

High working pressure,better extending rate and strength property,after bending with no deformation,after flattening and flaring process with no crack.

Test:Tensile Strength Test,Flaring and flattening test ,Hardness Test,Chemical Compositon Test 


Grade

ChemicalComposition( % )

C max

Si max

Mn

P max

S max

St 35

0.17

0.35

≥ 0.40

0.025

0.025

St 45

0.21

0.35

≥ 0.40

0.025

0.025

St 52

0.22

0.55

≤ 1.60

0.025

0.025


Mechanical Properties (Mpa):

Steel grade

cold drawing lucencyhardness
BK

cold drawing lucencyhardness
BKW

drawing lucency
stress free anneal
BKS

Anneal
GBK

Normalization
NBK

Tensile Strength Rm
N/mm
min

Elongation %
min

Tensile Strength Rm
N/mm
min

Elongation %
min

Tensile Strength Rm
N/mm
min

Yield Strength
ReH
N/mm
min

Elongation %
min

Tensile Strength Rm
N/mm
min

Elongation %
min

Tensile Strength Rm
N/mm
min

Yield Strength
ReH
N/mm
min

Elongation %
min

St35

480

6

420

10

420

315

14

315

25

340-470

235

25

St45

580

5

520

8

520

375

12

390

21

440-570

235

21

St52

640

4

580

7

580

420

10

490

22

490-630

355

22



NBK Seamless Steel Tubes


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Mr. Denny (Sales Manager)
Tel: 86-574-87491308
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Contact Method
Ningbo New-era steel Tube Co.,Ltd.
Office address:2/F Tian An Dian Qi,Juxian Road,Hi-tech Zone, Ningbo, Zhejiang, China (Mainland) / 315000
Fax: 86-574-87491848
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