st45 hydraulic cylinder honed stee tube with best price

Description

 st45 hydraulic cylinder honed stee tube with best price

Standard

ASTM ,GB ,DIN, EN AISI etc

Material

10#-45#,16Mn,ST35-ST52,Q345

O.D

30mm-250mm

W.T

2mm-30mm

Length

According to the customer’s need

Surface/End

According to the customer’s request

Certificate

ISO9001 2008

Technique

Cold drawn /rolled ,hot rolled ,etc.

Surface

Polished, black, bright. or according to the customer’s acquirement

Application

Hydraulic cylinder , automobile, oil drilling etc.

Package

We usually bundle with steel strips ,branding parcel or wooden box outside or according to the customer’s need

Delivery Time

1.The products in stock will delivery immediately received the deposit

2.According to the order quantity, the delivery time ranges from ten days to twenty days

Material

C

Si

Mn

S(≤)

P(≤)

Cr

Ni

Mo

C20#

0.17—0.23

0.17—0.37

0.35—0.65

0.035

0.035

≤0.25

≤0.30

CK45#

0.42—0.50

0.17—0.37

0.50—0.80

0.035

0.035

≤0.25

≤0.30

Q345B

≤0.20

≤0.55

1.00—1.60

0.040

0.040

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

ST52

E355

16Mn

≤0.20

≤0.55

1.00—1.60

0.045

0.045

V:0.02-0.15

Nb:0.015-0.06

Ti:0.02-0.20

25Mn

0.22—0.30

0.17—0.37

0.70—1.00

0.035

0.035

≤0.25

≤0.25

27SiMn

0.24—0.32

1.10—1.40

1.10—1.40

0.030

0.030

42SiMn

0.39—0.45

1.10—1.40

1.10—1.40

0.030

0.030

42CrMo

0.38—0.45

0.17—0.37

0.50—0.80

0.025

0.025

0.90—1.20

0.15—0.25

Delivery 
condition

cold finished(hard)(BK)

Cold drawn and stress-relieved(BK+S)

Steel grade

Rm MPa

Elongation
A5(%)

Rm MPa

ReH MPa

Elonggation
A5(%)

St45

≥550

≥5

≥520

≥375

≥15

20#

≥550

≥8

≥520

≥375

≥15

St52 (E355)

≥640

≥5

≥600

≥520

≥14

SAE1026

≥640

≥5

≥600

≥510

≥15

STKM 13C

≥550

≥8

≥520

≥375

≥15

Q345B

≥640

≥5

≥600

≥520

≥14

CK45

≥640

≥5

≥600

≥520

≥10

1.100% PMI,Spectro Chemical Aanlysis Test for Raw Material

2.100% Dimension & Visual Examination 

3. Mechanical Properties Test Include Tension Test,Flaring Test (For Seamless tube/pipe)/ Flange Test (For Welded Pipe & Tube), Hardness Test ,Reversed Flattening Test

4.100% Hydrostatic Test or 100% NON-DESTRUCTIVE Test  (ET or UT) 

5.Radiographic Test for Welded Pipe (shall be accordance with specification,or shall be as agreed upon between the purchaser and vendor)

6.Straightness Test  (optional)

7.Roughness Test (optional)

8.Intergranular Corrosion Test(optional)

9.Impact Test (optional)

10.Grain Size Determinations (optional)

NOTES : ALL THE TESTS AND INSPECTION RESULT NEED TO BE SHOWED IN REPORTS ACCORDING TO STANDARD AND SPECIFICATION.