• Model NO.：IR-B steel pipe
• Thickness：3mm~10mm
• Surface：Bare Pipe, Anti-Rust Painting
• Length：Fixed Length, by Random
• Inspection：Mtc, SGS Testing
• Delivery State：Heat Treatment, Anneal
• Transport Package：Standard Seaworthy Packing
• Specification：ASME SA210
• Trademark：Iron&steel
• Origin：China
• HS Code：73045910
• Production Capacity：1000ton Per Month

Type of pipeOuter diameterWall thicknessOD (mm)Tolerance (mm)WT (mm)Tolerance (mm)Hot rolled pipe219~457±1.0%≤20-10%~+12.5%>20~40-10%~+10%457~1066±0.9%>40~70-7%~+9%>70~120-6%~+8%
 
 
(%)
C
Si
Mn
P
S
Cr
Mo
Cu
Ni
V
Al
W
Ti
Nb
N
GB3087
10
0.07~0.13
0.17~0.37
0.38~0.65
≤0.030
≤0.030
0.3~0.65
/
≤0.25
≤0.30
/
/
 
 
 
 
20
0.17~0.23
0.17~0.37
0.38~0.65
≤0.030
≤0.030
0.3~0.65
/
≤0.25
≤0.30
/
/
 
 
 
 
GB5310
20G
0.17~0.24
0.17~0.37
0.35~0.65
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
20MnG
0.17~0.24
0.17~0.37
0.70~1.00
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
25MnG
0.18~0.24
0.17~0.37
0.80~1.10
≤0.030
≤0.030
≤0.25
≤0.15
≤0.20
≤0.25
≤0.08
 
 
 
 
 
15CrMo
0.12~0.18
0.17~0.37
0.40~0.70
≤0.030
≤0.030
0.80~1.10
0.40~0.55
≤0.20
≤0.30
 
 
 
 
 
 
12Cr2MoG
0.08~0.15
≤0.50
0.40~0.70
≤0.030
≤0.030
2.00~2.50
0.90~1.20
≤0.20
≤0.30
 
 
 
 
 
 
12Cr1MoV
0.08~0.15
0.17~0.37
0.40~0.70
≤0.030
≤0.030
0.90~1.20
0.25~0.35
≤0.20
≤0.30
0.15~0.30
 
 
 
 
 
12Cr2MoWVTiB
0.08~0.15
0.45~0.75
0.45~0.65
≤0.030
≤0.030
1.60~2.10
0.50~0.65
≤0.20
≤0.30
0.28~0.42
 
0.30~0.55
0.08~0.15
B 0.002~0.008
 
10Cr9Mo1VNb
0.08~0.12
0.20~0.50
0.30~0.60
≤0.020
≤0.010
8.00~9.50
0.85~1.05
≤0.20
≤0.40
0.18~0.25
≤0.015
 
 
0.06~0.10
0.03~0.07
ASME SA210
SA210A-1
0.13~0.19
≥0.1
0.45~0.65
≤0.030
≤0.030
 
 
 
 
 
 
 
 
 
 
SA210C
0.18~0.24
≥0.1
0.80~1.10
≤0.030
≤0.030
 
 
 
 
 
 
 
 
 
 
ASME SA213
SA213 T11
0.05~0.15
0.50~1.0
0.30~0.60
≤0.030
≤0.030
1.00~1.50
0.50~1.00
 
 
 
 
 
 
 
 
SA213 T12
0.05~0.15
≤0.50
0.30~0.61
≤0.030
≤0.030
0.80~1.25
0.44~0.65
 
 
 
 
 
 
 
 
SA213 T22
0.05~0.15
≤0.50
0.30~0.60
≤0.030
≤0.010
1.90~2.60
0.87~1.13
 
 
 
 
 
 
 
 
SA213 T23
0.04~0.10
≤0.50
0.10~0.60
≤0.030
≤0.030
1.90~2.60
0.05~0.30
 
 
 
≤0.030
1.45~1.75
B0.0005~0.006
0.02~0.08
≤0.040
SA213 T91
0.08~0.12
0.20~0.50
0.30~0.60
≤0.020
≤0.010
8.00~9.50
0.85~1.05
 
≤0.40
0.18~0.25
≤0.015
 
 
0.06~0.10
0.03~0.07
SA213 T92
0.07~0.13
≤0.50
0.30~0.60
≤0.020
≤0.010
8.50~9.50
0.30~0.60
 
≤0.40
0.15~0.25
≤0.015
1.50~2.00
B 0.001~0.006
0.04~0.09
0.03~0.07
DIN 17175
ST45.8/III
≤0.21
0.10~0.35
0.40~1.20
≤0.040
≤0.040
 
 
 
 
 
 
 
 
 
 
15Mo3
0.12~0.20
0.10~0.35
0.40~0.80
≤0.035
≤0.035
 
0.25~0.35
 
 
 
 
 
 
 
 
13CrMo44
0.10~0.18
0.10~0.35
0.40~0.70
≤0.035
≤0.035
0.70~1.10
0.45~0.65
 
 
 
 
 
 
 
 
10CrMo910
0.08~0.15
≤0.50
0.30~0.70
≤0.025
≤0.020
2.00~2.50
0.90~1.10
≤0.30
≤0.30
 
≤0.015 
 
Further more, the plant has large-scale cold rolling machine(by 1200t, 1600t, 2000t), the maximum cold rolling diameter can be 920mm. Cold rolling technics can improve the precision of diameter and wall thickness. So we can supply high steel grade steel pipe with big diameter and thin thickness.
Our service
Make production according to customer's specific requirements strictly.
Accept inspection during the production or before shipment.
Provide the original copy of MTC(Mill testing certificate)
Provide the standard seaworthy packing.
Arrange the most professional shipment.