Seamless steel pipe tube

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DIN2391 ST52 pre-honed tube
Product Description:
DIN2391 ST52 pre-honed tube
Manufacturer
Liaocheng Xinglong Seamelss Steel Pipe Manufacturing Co., ltd
Standard
DIN2391 EN10305
Material
ST44 ST45 ST52 E355 STKM13C
Heat treatment
BK+S
Specification
OD(mm)
ID(mm)
50-300mm
40-250
I.D Tolerance
H8-H9
Length
3-9m
Straightness
1/1000
ID roughness
RA 0.4micron(max)
Technology
Honed & SRB(SKIVED AND ROLLER BURNISHED )
Contact
SKYPE:zglpipe03
Mobile phone: 0086-18663029896
Chemical composition of Material:
Steel grade
Chemical composition,%
C
Si
Mn
P
S
Cr
20#
0.17-0.24
0.17-0.37
0.35-0.65
0.035
0.035
0.25
16Mn
≤0.2
≤0.5
1.00-1.60
0.03
0/03
0.25
ST52(E355)
≤0.22
≤0.55
≤1.6
0.025
0.025
0.25
SAE1026
0.22-0.28
0.15-0.35
0.6-0.9
0.04
0.05
/
Mechanical Property of Material:
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(%)
20#
≥550
≥8
≥520
≥375
≥15
16Mn
≥640
≥5
≥600
≥520
≥14
ST52
≥640
≥5
≥600
≥520
≥14
SAE1026
≥640
≥5
≥600
≥510
≥12

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Mr. David John
Tel: 86-635-8886513
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Contact Method
Liaocheng Xinglong Seamless Tube Manufacturing Co., Ltd
No.3, Taishan Road, Development Zone, Liaocheng, Shandong, China (Mainland)
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