| Model: | - |
|---|---|
| Brand: | Ironsteel |
| Origin: | Made In China |
| Category: | Construction & Decoration / Pipe, Tube & Parts / Steel Pipe & Tube |
| Label: | seamless steel pip , seamless steel tube , steel tube |
| Price: |
US $800
/ ton
|
| Min. Order: | 10 ton |
| Last Online:23 Sep, 2015 |
Seamless Steel Pipes in Large Caliber for Gas Cylinders
Standards:
ASTM A519-------American Materials and Testing Institution Standard
Q/321088HGB3---Enterprise Standards of Jiangsu Chengde Steel Pipe Co., Ltd
GB18248-----------China National Standard
Steel Material: 4130X
Usage: Seamless steel tubes in large calibers for gas cylinders.
|
Type of pipe |
Outer diameter |
Walll thickness |
||
|
Hot rolled seamless pipe |
OD (mm) |
tollerance |
WT (mm) |
tolerance |
|
559 |
±1.0% |
17.0 |
0~+25% |
|
Mechanical Properties:
|
standard |
Steel grade |
Tensile strength(Mpa) |
Bend strength(Mpa) |
Bend ratio |
Elongation (%) |
Impact energy Akv(J) |
Hardness |
|
Q/321088HGB3 |
4230X |
725~865 |
485~735 |
≤0.85 |
≥20 |
-40℃≥40 |
195~269HB |
Chemical composition:
|
standard |
Steel grade |
Chemical composition (%) |
|||||||||
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V |
||
|
Q/3210 88HGB3 |
4130X |
0.25~0.35 |
0.15~0.35 |
0.4~0.9 |
≤0.02 |
0.01 |
0.8~1.1 |
≤0.25 |
≤0.2 |
0.15~0.25 |
≤0.8 |
Type of pipe:Hot rolled seamless pipe
Outer diameter OD(mm):559+-1.0%
Wall thickness WT（mm）:17.0 0~+25%
Mechanical Properties:
Standard:Q/3210 88HGB3
Steel grade:4130X
Tensile strength(Mpa) 725~865
Bend strength(Mpa):485~735
Bend ratio<=0.85
Elongation (%)>=20
Impact energy Akv(J) : -40℃≥40degree centigrade
Hardness: 195~269HB
Chemical composition(%)Q/321088HGB3
Standard:4130X
Chemical composition(%):
C 0.25~0.35 Si 0.15~0.35 Mn:0.4~0.9 P<=0.02 S 0.01 Cr 0.8~1.1 Ni<=0.25 Cu<=0.2 Mo 0.15~0.25 V<=0.8
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