PIPE (LENGTH 20’) 60” X .412” WT ASTM A53/B LONGITUDINAL SEAM.
According to its standards, seamless steel pipes can be divided into ASTM American standard seamless steel tubes DIN German standard seamless steel tubes JIS
Japanese standard seamless steel pipe GB national seamless steel pipe API seamless steel pipe and other types, ASTM American standard seamless steel pipe is more common in the world, and there are many types of branches. The relevant parameters of ASTM seamless steel pipe ASTM a53 American standard seamless steel pipe are displayed as follows
standard:
ASTMA53/A53M/ASME SA-53/SA-53M
Purpose:
It is suitable for use as force-bearing and pressure-bearing parts, and can also be used for steam, water, gas and air pipelines for general purposes. To
Mainly produce steel pipe grades:
A, B, etc. can also supply steel pipes of other grades after negotiation.
Mechanical behavior:
| Standard | Grade | Tensile strength (MPa) | Yield strength (MPa) |
| ASTM A53/ ASMES SA53 | A | ≥330 | ≥205 |
| B | ≥415 | ≥240 |
Chemical composition limits:
| Standard | Grade | Chemical composition limits,% |
| C | Si | Mn | P | S | Cu | Ni | Mo | Cr | V |
| ASTM A53/ ASMES SA53 | A | ≤0.25 | / | ≤0.95 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
| B | ≤0.30 | / | ≤1.20 | ≤0.05 | ≤0.06 | ≤0.40 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.08 |
Remarks :
| HR:hot rolled | CW:cold worked | SR:stress relieved |
Seamless steel pipe manufacturing process. According to its manufacturing process, seamless steel pipes are divided into hot-rolled seamless steel tubes, cold-drawn seamless steel tubes, punched, drawn seamless steel tubes, and vertical extruded seamless steel tubes. The caliber is generally 8-406, and the wall thickness is generally 2-25; the latter two are the production of large-diameter thick-walled seamless steel pipes, which are generally 406-1800, and the wall thickness is
20mm-220mm. According to its use, it can be divided into seamless steel tubes for structural use and seamless steel tubes for fluid
Seamless steel pipe for boiler, seamless steel pipe for petr
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