Standard: ASTM B861/ASME SB861, ASTM B338/ASME SB338 ,etc.Material: Gr1, Gr2, Gr4, Gr5, Gr7, Gr9, Gr11, Gr12 etc.Surface: Acid cleaning / mirror surfaceFeature: high strength. fine corrosion resistance, low density, light ,weight,high/low temperature resistanceSurface:Hot Dipped Galvanized, Bare, Black Lacquer, Zinc Coating, Anti-corrosion Coating, 3PE, FBE, Epoxy, Cement mortar, Coppor Coated.Application: Heat exchanger, cooling tower, aviation, medical, industry, Chemical processing, medical instruments, High-tech spare parts ,high pressure titanium vessel etc.
GradeCondition
Outside
Diameter
(mm)
Thickness
(mm)
Standard0.20.30.50.60.81.01.251.52.02.53.03.54.04.55.010.0
Gr1
Gr2
Gr5
Gr7
Gr9
Gr11
Gr12
R
M
Y
3~5√√√√
ASTM B337
ASTM B338
ASTM B861
ASTM B862
>5~10
√√√√√√
>10~15
√√√√√√√
>15~20
√√√√√√√
>20~30
√√√√√√√√
>30~40
√√√√√√√
>40~50
√√√√√√√
>50~60
√√√√√√√√
>60~80
√√√√√√√√√>80~114
√√√√√√√Meterial Composition
N
C
H
Fe
O
Al
V
Pa
Mo
Ni
Ti
Gr 1
0.03
0.08
0.015
0.20
0.18
/
/
/
/
/
bal
Gr 2
0.03
0.08
0.015
0.30
0.25
/
/
/
/
/
bal
Gr 5
0.05
0.08
0.015
0.40
0.20
5.5~6.75
3.5~4.5
/
/
/
bal
Gr 7
0.03
0.08
0.015
0.30
0.25
/
/
0.12~0.25
/
/
bal
Gr 9
0.03
0.08
0.015
0.25
0.15
2.5~3.5
2.0~3.0
/
/
/
bal
Gr12
0.03
0.08
0.015
0.30
0.25
/
/
/
0.2~0.4
0.6~0.9
bal