Product classification
ASTM A179 Seamless Steel Pipe
- 产品描述
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ASTM A179、ASME SA179 American standard (seamless cold drawn low-carbon steel pipes for heat exchangers and condensers)Seamless steel pipes can be divided into various types according to their standards, such as ASTM American standard seamless steel pipes, DIN German standard seamless steel pipes, JIS Japanese standard seamless steel pipes, GB national seamless steel pipes, API seamless steel pipes, etc. ASTM American standard seamless steel pipes are more commonly used internationally, and their types are diverse. ASTM seamless steel pipes are nowASTM a179/179m/sa179/sa-179m The relevant parameters of American standard seamless steel pipes are displayed as followsStandard:
ASTM A179 / A179M / ASME SA179/SA-179MUsage:
Suitable for steel pipes used in tubular heat exchangers, condensers, and similar heat transfer equipment.Main steel pipe grades produced:
A179、SA179
After negotiation, other grades of steel pipes can also be supplied.Mechanical performance:
Standard
Brand
Tensile strength(MPa)
Yield strength(MPa)
Elongation(%)
ASTM A179/ASME SA179
A179/SA179
≥325
≥180
≥35
Chemical composition:
Standard
Brand
Chemical composition limits，%
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
ASTM A179
ASME SA179A179
SA1790.06～0.18
/
0.27～0.63
≤0.035
≤0.035
/
/
/
/
/
Remarks：
HR：hot rolled CW：cold worked SR：stress relieved A：annealed N：normalized HF：hot rolling Seamless steel pipe manufacturing process. According to its manufacturing process, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold drawn seamless steel pipes, punching and drawing seamless steel pipes, vertical extrusion seamless steel pipes. The first two processes are to produce general diameter seamless steel pipes, with a diameter generally between 8-406 and a wall thickness generally between 2-25; The latter two are the production of large-diameter thick walled seamless steel pipes. The diameter of seamless steel pipes is generally between 406-1800 and the wall thickness is between 20mm and 220mm. According to its purpose, it can be divided into seamless steel pipes for structural use, seamless steel pipes for fluid use, seamless steel pipes for boilers, seamless steel pipes for petroleum pipelines.
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