無鍍層及熱浸鍍鋅焊接與無縫公稱管
NON PLATING CONTING AND HOT DIPPING GALVANIZING WELDED AND SEAMLESS NOMINAL STEEL PIPE
標準 Standard
ASTM A53…………美國材料與試驗協會標準Standard of American Society for Testing ＆ Materials
用途 Application：
適用于作受力及承壓件，也可以用于一般用途的蒸汽、水、氣體及空氣管線。
It is applied as pressed and forced parts and as pipeline for steam , water,gas and atmosphere delivery.
主要生產鋼管牌號 Main Steel Tube Grade:
A53A、A53B等（etc）
經協商，也可供應其他牌號的鋼管
Other grade can also be provided after consulting with customers:
化學成分、機械性能Chemical composition ＆ Mechanical Properties
標準
Standard |
牌號
Grade
|
化學成分Chemical Composition（%）
|
機械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
V
|
Cu
|
Ni
|
抗拉強度（Mpa）
Tensile Strength
|
屈服強度（Mpa）
Yield Strength
|
|
ASTM A53
|
A
|
≤0.25
|
_
|
≤0.95
|
≤0.05
|
≤0.045
|
≤0.40
|
≤0.15
|
≤0.08
|
≤0.40
|
≤0.40
|
≥330
|
≥205
|
|
B
|
≤0..30
|
_
|
≤1.20
|
≤0.05
|
≤0.045
|
≤0.40
|
≤0.15
|
≤0.08
|
≤0.40
|
≤0.40
|
≥415
|
≥240
|
