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CK45 SRB Honed Tube

CK45 SRB Honed Tube

CK45 SRB Honed Tube
CategoriesHoned Tube
AlbumView larger image
BrandHYDRO
ModelNo Model
FOB portTianjin,Shanghai
Terms of PaymentL/C, T/T
Update Time2019-10-16
Detail Information

CK45 SRB Honed Tube


High Material Grade

C20   CK45   ST52   25Mn   27SiMn Seamless steel

 

 

Well Mechanical Properties

Tensile strength>600 N/mm²  Yield strength>520 N/mm²  Elongation>15%  Hardness>200HB

 

Wide-range spec

OD: 40--500 mm    ID:25--400 mm  Wall thickness: 3--50 mm  Length: 30--8000 mm

 

High precision

Straightness<0.2 mm/1000mm    Roughness Ra<0.2 um    Tolerance: H8

 

International Standard & Certificate 

API    ASTM    BS    DIN    EN    GB    JIS

ISO9001  TS16949


Our Services

 

      1. Price: FOB Shanghai or CIF CFR Price.

2. Delivery time: within 30 days.

3. Packing: Plastic cloth pakage with Bundle. Both end caps.

4. Marking: on request.

5. Mill MTC: Certificate stamped by Mill’s inspection Authority.

6. Payment: 30% advance and balance again BL copy.

7. Negotaiable Documents: One set of commercial Invoice, Packing list. Bill of Lading, Mill Test Certificate. CO.

8. Trade Assurance order is welcomed.Chemical Composition

Steel Grade
C
SI
Mn
P
S
Cr
Ni
Cu
20#
0.17-0.24
0.17-0.37
0.35-0.65
0.035
0.035
0.250
0.250
/
45#
0.42-0.50
0.17-0.37
0.50-0.80
0.035
0.035
0.250
0.300
/
Q345B
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.300
0.250
0.08
Q345D
≤0.2
≤0.5
1.00-1.60
0.030
0.030
0.250
0.250
0.15
25Mn
0.22-0.29
0.17-0.37
0.70-1.00
0.035
0.035
/
/
/
27SiMn
0.22-0.32
1.10-1.40
1.10-1.40
0.035
0.035
0.300
0.300
/
E355
≤0.2
≤0.55
≤1.6
0.025
0.025
0.250
0.250
/
SAE1026
0.22-0.28
0.15-0.35
0.60-0.90
0.040
0.050
/
/
/
                                                                                  
Steel Grade
Rm Mpa
ReH Mpa
Elonggation
cold finished Rm Mpa
cold finished Elonggation
20#
≥520
≥375
≥15
≥550
≥8
45#
≥600
≥520
≥10
≥640
≥5
16Mn(Q345B /D)
≥600
≥520
≥14
≥640
≥5
25Mn
≥600
≥510
≥15
≥640
≥5
27SiMn
≥760
≥610
≥10
≥800
≥5
St45
≥520
≥375
≥15
≥550
≥5
E355(st52)
≥600
≥520
≥14
≥640
≥5
SAE1026
≥600
≥510
≥15
≥640
≥5

 Technique and tolerance:                            

Working method
range
       ID
H8
H9
H10
cold drawn
25-250
30-50
+0.0390
+0.0620
+0.1000
cold rolling
25-150
50-80
+0.0460
+0.0740
+0.1200
cold drawn-honed
40-250
80-120
+0.0540
+0.0870
+0.1400
cold drawn-SRB
50-250
120-180
+0.0630
+0.1000
+0.1600
cold drawn -polished
40-250
180-250
+0.0720
+0.1150
+0.1850
cold drawn-polish-SRB
50-250
as required
as required
as required
as required








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