ASTM seamless pipe

ASTM seamless pipe
1)Thickness:4.5-35mm
2)OD:25.4-406.4mm
3)Application:Structure pipe
4)Certification:ISO9001:2000
1. ASTM seamless 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
Seamless steel pipe dimensions and tolerances
Bias level
Standard diameter tolerance
D1
±1.5%,Least±0.75 mm
D2
±1.0%,Least±0.50 mm
D3
±0.75%,Least±0.30 mm
D4
±0.50%,Least±0.10 mm
Manufacturing Process(Cold Rolled)

Raw material(High-quality clarinet,Consistent with the provisions of GB 3092)
Package(Hexangular packing in bundles)
Certification(ISO9001:2000)