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NBK Seamless Steel Tubes

800.0 USD
Min. Order: 1 Ton
Trade Term: FOB
Payment Terms: L/C, T/T
Supply Ability: 2500 tons/month
Place of Origin: Zhejiang

Company Profile

Location: Ningbo, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company, Agent, Distributor/Wholesaler
Main Products: 4140 Hollow Bar Hollow Section, ASTM A192, ASTM A179, EN10216-2 Boiler Steel Pipes, Drill Rod Mining Tubes

Product Detail

Means of Transport: Ocean
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
Production Capacity: 2500 tons/month
Packing: Standard Export Package
Delivery Date: 45 days
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Product Description

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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