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JIS Stkm13c, DIN St52, SAE1020 Srb Seamless Steel Pipe for Pneumatic Cylinder Tube

Qingdao Ironsteel International Trading Co., Ltd.
  • Type：Seamless
  • Technique：Srb
  • Material：Alloy, Carbon Steel
  • Surface Treatment：Bare Pipe
  • Usage：Boiler Pipe, Hydraulic,Automobile Pipe, Machinery Industry, Chemical Industry, Special Purpose
  • Section Shape：Round

Base Info

  • Inner Diameter：30mm~416mm
  • Precision of Inner Size：H5~H10
  • Roughness of Inner Surface：Ra≤0.63um
  • Length：Fixed Length, by Random
  • End Processing：Plain Ends
  • Steel Material：St52, Q345b, 27simn, 15CrMo,40cr, 20cr,etc
  • Transport Package：Standard Seaworthy Packing
  • Specification：ASTM, DIN, GB,T
  • Trademark：Iron&steel
  • Origin：China
  • HS Code：73045910
  • Production Capacity：2000tons Per Month

Description


 
0.3-1.0/1000
H8-H10
0.4-1.6um
Cold-drawn
30-250
≤12M
H8-H10
0.8-1.6um
Hone
40-500
≤12M
H8-H9
0.4-0.8um
SRB
50-250
≤9M
H8
0.1-0.4um Tolerance of ID and WT 
Size of inside
Diameter(mm)
                     ID Tolerance
Tolerance of wall thickness 
30
+0.0330
+0.0520
+0.0840
 
 
 
<120mm(OD)              ±5%
>120mm up to 210mm±7.5%
>210mm                     ±10%
 
 
 
 
>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
>315-400
+0.0890
+0.1400
+0.2300Length and cut tolerance
Length ≤ 500mm , +2mm
> 500mm ≤ 2000mm, +3mm
> 2000mm ≤ 5000mm, +5mm
> 2000mm ≤ 7000mm, +10mm
Standard:DIN 2391,EN10305
Material: St45,St52,E355
Chemical composition 
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
0.2509. 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
≥15JIS Stkm13c, DIN St52, SAE1020 Srb Seamless Steel Pipe for Pneumatic Cylinder TubeJIS Stkm13c, DIN St52, SAE1020 Srb Seamless Steel Pipe for Pneumatic Cylinder TubeJIS Stkm13c, DIN St52, SAE1020 Srb Seamless Steel Pipe for Pneumatic Cylinder Tube

Tube ends 
Tube ends shall be cut nominally square to the axis and free from burs 
11.Delivery condition:BKS
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