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St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

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St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

China St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305 supplier
St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305 supplier St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305 supplier St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305 supplier St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305 supplier

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Product Details:

Place of Origin: Jiangsu China (Mainland)
Brand Name: JIANGSU HUACHENG
Certification: ISO9001 14001 BV TUV PED DNV etc
Model Number: HC

Payment & Shipping Terms:

Minimum Order Quantity: 5MT
Packaging Details: Exporting package/wooden box package/Or per customers’ requirement
Delivery Time: 25~35days
Payment Terms: 30%T/T in advance or 100% L/C at sight
Supply Ability: 8000MT/Month
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Detailed Product Description
Features: Thick Wall Application: Hydraulic Cylinder|Chemical
Delivery Condition: BK|BKS|NBK|Cold Finished|Cold Drawn|Stress-relieved Grade: ST52|E355|St45|SAE1026|20#|27SiMn
Product Name: Mild Steel Tubing Section Shape: Round
Standard: SAE1026|DIN 2391|EN 10305 Technique: Seamless|Cold Drawn|Cold-Drawn

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

 

 

Quick Detail:

 

Products: Hydraulic cylinder tubes / Precision steel tube

Standard: DIN 2391 / EN 10305 /GB8713-88 / GB/T3639-2000

Grade: St52 / E355 / St45 / SAE1026 / 20# / 27SiMn
SIZE:(mm)

OD: 45mm ~ 500mm
WT: 3mm ~ 50mm

 

 

Description:

 

1. Variety

Processing form

I.D.mm

Length

Straightness

I.D.tolerance

I.D.Roughness(RA)

Cold-rolled

30-100

≤24M

 

0.3-1.0/1000

H8-H10

0.4-1.6um

Cold-drawn

30-250

≤24M

H8-H10

0.8-1.6um

Hone

40-500

≤24M

H8-H9

0.4-0.8um

SRB

50-250

≤24M

H8

0.1-0.4um

2. Material Specification and Ref. Document  

ST52,BK+S OR NBK,DIN2391 

OD:45-50mm WT:3-50mm

 

3. Chemical Compisition (%)

Steel grade

Chemical composition,%

C

Si

Mn

P

S

Cr

St45

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.250

ST52(E355)

≤0.22

≤0.55

≤1.6

0.025

0.025

0.25

SAE1026

0.22-0.28

0.15-0.35

0.60-0.90

0.040

0.050

/

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

0.035

0.035

0.300

20#

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.250

 

4. Mechanical Properties

Delivery condition

BK

Cold finished(hard)

BKS

Cold drawn and stress-relieved

Steel grade

Rm Mpa

Elongation
A5(%)

Rm MPa

ReH MPa

Elonggation
A5(%)

ST45

≥550

≥5

≥520

≥375

≥15

ST52(E355)

≥640

≥5

≥600

≥520

≥14

SAE1026

≥640

≥5

≥600

≥510

≥15

16Mn

≥640

≥5

≥600

≥520

≥14

20#

≥550

≥8

≥520

≥375

≥15

 

5. Supply Condition

  Cold drawn seamless steel tube, stress relieved and honed or skived roller burnished

 

6. Surface Roughness

 Ra = 0.4~0.8 Micron

 

7. Tolerances of Inner Dia.

 

Size of I.D

I.D Tolerance

Tolerance of wall thickness

H8

H9

H10

 

 

±7.5%

>210mm ±10%

30

+0.0330

+0.0520

+0.0840

>30-50

+0.0390

+0.0620

+0.1000

>50-80

+0.0460

+0.0740

+0.1200

>80-120

+0.0540

+0.0870

+0.1400

>120-180

+0.0630

+0.1000

+0.1600

>180-250

+0.0720

+0.1150

+0.1850

>250-315

+0.0810

+0.1300

+0.2100

 

8. Tolerance on Outer Dia. 

 ≤ Dia 40   +/-0.2 mm

 ≥ Dia 40 ≤ Dia 100   +/-0.3mm

 ≥ Dia 100   +/-0.5mm

 

9. Appearance

 Tube shall have a smooth internal and external surface consistent with cold working process, tube inner surface should be free from rust, scratches and other surface irregularities.

10. Scope

 Hydaulic cylinder tube for swivel crane, injection machine and construction machine application

 

 

Applications:

 

Used in hydraulic system,nested card connector (pipe joints) with matching,,automobile and in the occasion where the high precision,brightness,cleanness and mechanical properties of the tube are required.

 

 

Competitive Advantage:

 

Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.

 

Factroy Pictures:

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

 

Pipe & Tube Processing

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Factory Equipments:

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

 

Production Line:

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Quality Control:

 

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

 

Steel Pipe & Tube Application:

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Package:

Export Standard / Wooden Box

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Main Certificates:

PED ISO BV TUV etc.

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Main Customers:

 

St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305St45 20# Mild Cold Drawn Steel Tube Round For Hydraulic Cylinder , DIN 2391 EN 10305

Contact Details
Jiangsu Huacheng Industry Pipe Making Corporation

Contact Person: Mr.Charlie Zhu

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