1. Carbon seamless steel pipe
2. Standard:
ASME SA106/53B
ASTM A106/53B
GB/T8162 GB/T8163
API 5L GR.B
DIN2391
JIS S20C S45C
3. Grade: A53B A106B 20# 45# 16Mn st52;
4. Size: 1"-16" SCH40 SCH80 SCH160
4. Processing technique: hot rolled/cold drawn;
5. Length: 6-12m
6. Surface: painted with varnish;
7. Plastic caps at ends.
8. Tolerance: OD +1%/-1%
WT +12.5%/-10%
9. Chemical composition:
|
Models of Steel Pipes
|
Chemical Component
|
|
Steel 20
(ASTM A106B)
|
C
|
Si
|
Mn
|
P
|
S
|
Cu
|
Ni
|
Cr
|
|
0.17~0.24
|
0.17~0.37
|
0.35~0.65
|
0.035max
|
0.035max
|
0.25max
|
0.25max
|
0.25max
|
|
Steel45 (ASTM 1045)
|
0.42~0.50
|
0.17~0.37
|
0.50~0.80
|
0.035max
|
0.035max
|
0.25max
|
0.25max
|
0.25max
|
|
16Mn(Q345B)
|
0.12~0.20
|
0.20~0.55
|
1.20~1.60
|
0.035max
|
0.035max
|
0.25max
|
0.25max
|
0.25max
|
|
45Mn2 ( ASTM1345)
|
0.42~0.49
|
0.17~0.37
|
1.40~1.80
|
0.035max
|
0.035max
|
0.3max
|
0.3max
|
0.30max
|
