E355 Honed Tube Small QTY Acceptable
Specifications
E355 honed tube small QTY acceptable2. OD: 10-630mm
3. ASTM,DIN,JIS,BS satandard
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 |
/ |
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