高壓化肥設(shè)備用無縫鋼管
SEAMLESS STEEL TUBES FOR HIGH-PRESSURE FOR CHEMICAL EQUIPMENTS FERTILIZER
標(biāo)準(zhǔn) Standard:
GB6479…………中國(guó)國(guó)家標(biāo)準(zhǔn)China National Standards
用途Application:
用于高壓化肥設(shè)備和管道用優(yōu)質(zhì)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(chǎn)鋼管牌號(hào) Main Steel Tube Grade:
20、16Mn等(etc)
化學(xué)成分、機(jī)械性能Chemical composition & Mechanical Properties
牌號(hào)
Grade |
化學(xué)成分Chemical Composition(%)
|
機(jī)械性能Mechanical Properties
|
|
C
|
Si
|
Mn
|
P 、S
|
Cr
|
Ni
|
Cu
|
Mo
|
抗拉強(qiáng)度(Mpa)
Tensile Strength
|
屈服強(qiáng)度(Mpa)
Yield Strength
|
伸長(zhǎng)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
|