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Custom ST52 carbon steel honed tubes , Cold drawn seamless steel tube

Place of Origin: Zhejiang

Company Profile

Location: Wuxi, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Piston Rod, Precision Shafts, Steel Hollow Shaft

Product Description

 

carbon steel pipe / carbon steel honed tubes, Seamless Steel Equipment Tube 1

 

 

 

Specifications

 

 

Material: 20# 45# 16 Mn 27SiMn 25Mn
Standard: GB/T8713-88 GB/T3639-2000 DIN 2391 EN10305
Straightness:0.3~0.8mm/m

 

 

1. MATERIAL SPECIFICATION

ST52,BK+S,DIN2391,ASTM A 106

 

 

 

2. CHEMICAL COMPOSITION (%)

Grade Elements

C(max)

Si(max)

Mn

P

S(max)

ST35

0.17

0.35

≥0.40

0.025

0.025

ST42

0.21

0.35

≥0.40

0.025

0.025

ST52

0.22

0.55

≤1.60

0.025

0.025

 

 

 

3. MECHANICAL PROPERTIES  of ST52 hydraulic cylinder tube

  Elongation(Min)    Y.S (Min.)         UTS (Min.)

   ≥15                     470 N/MM2      580 N/MM2

 

 

4. SUPPLY CONDITION

Cold drawn seamless steel tube, honed tubes,Skived and rolling tubes.

 

 

5.Dimension tolerance:

Size of I.D

I.D Tolerance

Tolerance of wall thickness

H8

H9

H10

±5%

30

+0.033

+0.052

+0.084

>30-50

+0.039

+0.062

+0.100

>50-80

+0.046

+0.074

+0.120

>80-120

+0.054

+0.087

+0.140

>120-180

+0.063

+0.100

+0.160

>180-250

+0.072

+0.115

+0.185

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