高壓化肥設備用無縫鋼管
SEAMLESS STEEL TUBES FOR HIGH-PRESSURE FOR CHEMICAL EQUIPMENTS FERTILIZER
標準 Standard:
GB6479…………中國國家標準China National Standards
用途Application:
用于高壓化肥設備和管道用優質碳素鋼、低合金鋼和合金鋼無縫鋼管。
It is excellent quality carbon steel,low alloy steel and alloy steel pipes for high pressure fertilizer equipments and pipelines.
主要生產鋼管牌號 Main Steel Tube Grade:
20、16Mn等(etc)
化學成分、機械性能Chemical composition & Mechanical Properties
牌號
Grade |
化學成分Chemical Composition(%)
|
機械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
Cr
|
Ni
|
Cu
|
Mo
|
抗拉強度(Mpa)
Tensile Strength
|
屈服強度(Mpa)
Yield Strength
|
伸長率(%)
Elongation
|
|
10
|
0.17~0.24
|
0.17~0.37
|
0.35~0.65
|
≤0.030
|
-
|
-
|
-
|
-
|
410~550
|
≥245
|
≥24
|
|
16Mn
|
0.12~0.20
|
0.20~0.60
|
1.20~1.60
|
≤0.030
|
-
|
-
|
-
|
-
|
490~670
|
≥320
|
≥21
|