ASTM A519 4130X Seamless Steel Pipe for Gas Cylinder
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 tube for gas cylinders.
Delivery from workshop
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 |
-40ºC≥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 |
Our service
Make production according to customer's specific requirements strictly.
Accept inspection during the production or before shipment.
Provide the original copy of MTC(Mill testing certificate)
Provide the standard seaworthy packing.
Arrange the most professional shipment.