鍋爐、過熱器和換熱器用無縫鐵素體和奧氏體合金鋼管
BOILER,SUPERHEATER AND HEAT EXCHANGER SEAMLESS FERRITE AND AUSTENITIC ALLOY STEEL TUBE.
標準 Standard
ASTM A213…………美國材料與試驗協會標準Standard of American Society for Testing ＆ Materials
用途 Application：
適用于鍋爐和過熱器用最小壁厚的無縫鐵素體和奧氏體鋼管以及換熱器用奧氏體鋼管。
It is used for boiler and superheater min.wall thinckness seamless steel ferrite and austenitic steel tube and heat exchanger austenitic steel tube.
主要生產鋼管牌號 Main Steel Tube Grade:
T11、T12、T22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
|
伸長率（%）
Elongation
|
|
ASTM A213
|
SA213
T11
|
0.05~0.15
|
0.50~1.00
|
0.30~0.60
|
≤0.025
|
1.00~1.50
|
0.44~0.65
|
_
|
≥415
|
≥205
|
≥30
|
|
SA213
T12
|
0.05~0.15
|
≤0.50
|
0.30~0.61
|
≤0.025
|
0.80~1.25
|
0.44~0.65
|
_
|
≥415
|
≥220
|
≥30
|
|
SA213
T22
|
0.05~0.15
|
≤0.50
|
0.30~0.60
|
≤0.025
|
1.90~2.60
|
0.87~1.13
|
_
|
≥415
|
≥205
|
≥30
|
