ASTM A199/A199M,Specification for Seamless Cold-Drawn Intermediate Alloy-Steel Heat-Exchanger tubes and Condenser Tubes. Alloy Heat-Exchanger Tubes are manufactured using high grade of Ferrous steel and other alloy materials.Seamless Heat-Exchanger tubes are highly demanded in market because of its unique feature that includes: High tensile strength, durable and corrosion resistant.WORLDIORN STEEL Mainly supply ASTM A199 T4,ASTM A199 T5,ASTM A199 T9,ASTM A199 T11 and ASTM A199 T22.
material comparison of ASTM A 199 heat-exchanger pipe
ASTM standard
Japanese
German
British
JIS No
DIN type
DIN No
BS No
BS grade
A199 T5
STBA25
12crmo19 5
3606
CFS625
A199 T11
STBA23
DIN17175
13crmo44
CFS621
A199 T22
STBA24
SEW610
10crmo9 10
CFS622
A199 t9
STBA26
12CrMo195
Chemical analysis of ASTM A199 (%):
Steel grade
C
Mn
P
(max)
S
Si
Cr
Mo
ASTM A199 T4
0.15MAX
0.30-0.60
0.03
0.50-1.0
2.15-2.85
0.44-0.65
ASTM A199 T5
0.50-0.15
0.50MAX
4.00-6.00
0.45-0.65
ASTM A199 T9
0.25-1.0
8.00-10.0
0.90-1.10
ASTM A199 T11
1.00-1.50
ASTM A199T22
1.90-2.60
0.87-1.13
* Ni 0.40 max; V 0.18-0.25; Cb 0.06-0.10; N 0.03-0.07; Al 0.04 max
Mechnical Properties of ASTM A199:
Tensile Strength (Mpa)
Yield Strength (Mpa)
Elongation
(%)
Hardness HRB MAX
415MIN
170MIN
30/22
85HRB MAX
ASTM A199 T22