镀锌钢管
强度级别高达：API5LX70PSL2。
标准有API5L及GB/T9711.1.API:GR.B/X42/X46/X52/X56/X60/X65/X70(PSL1&PSL2).GB/T9711.1:L245/L290/L320/L360/L390/L415/L
中低压锅炉管：用于制造各种低中压锅炉、过热蒸汽管、沸水管、水冷壁管.在温度低于450℃环境中适用，工作压力一般不大于5.88Mpa，由碳钢管经过热轧或冷拔制成。
高压锅炉钢管：主要用来制造高压及超高压的过热器管，再热器管，导气管，主蒸汽管等等，在450~650℃高温环境中工作，工作压力≥9.8Mpa
用途 : 用于高温环境中。
机械性能
| 牌号 | ||||||||
|
|
P1, P2 |
P12 |
P23 |
P91 |
P92,P911, P36 Class 1 |
P122 |
P36 Class 2 |
All others |
|
抗拉, min: |
55 |
60 |
74 |
85 |
90 |
90 |
95.5 |
60 |
|
Tensile Strength, min: |
30 |
32 |
58 |
60 |
64 |
58 |
66.5 |
30 |
化学成分
| 牌号 |
C |
Mn |
P Max |
S Max |
Si |
Cr |
Mo |
Other |
|
P1 |
0.10-0.20 |
0.30-0.80 |
0.025 |
0.025 |
0.10-0.50 |
... |
0.44-0.65 |
As per Standard |
|
P2 |
0.10-0.20 |
0.30-0.61 |
0.025 |
0.025 |
0.10-0.30 |
0.50-0.81 |
0.44-0.65 |
As per Standard |
|
P5 |
0.15 Max. |
0.30-0.60 |
0.025 |
0.025 |
0.50 Max |
4.00-6.00 |
0.44-0.65 |
As per Standard |
|
P9 |
0.15 Max. |
0.30-0.60 |
0.025 |
0.025 |
1.00-2.00 |
8.00-10.00 |
0.90-1.10 |
As per Standard |
|
P11 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50 Max |
1.00-1.50 |
0.44-0.65 |
As per Standard |
|
P12 |
0.05-0.15 |
0.30-0.61 |
0.025 |
0.025 |
0.25-1.00 |
0.80-1.25 |
0.44-0.65 |
As per Standard |
|
P15 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50-1.00 |
... |
0.44-0.65 |
As per Standard |
|
P21 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50 Max |
2.65-3.35 |
0.80-1.06 |
As per Standard |
|
P22 |
0.05-0.15 |
0.30-0.60 |
0.025 |
0.025 |
0.50 Max |
1.90-2.60 |
0.87-1.13 |
As per Standard |
|
P23 |
0.04-0.10 |
0.10-0.60 |
0.030 |
0.010 |
0.50 Max |
1.90-2.60 |
0.05-0.30 |
As per Standard |
|
P36 |
0.10-0.17 |
0.80-1.20 |
0.030 |
0.025 |
0.25-0.50 |
0.30 Max |
0.25-0.50 |
As per Standard |
|
P91 |
0.08-0.12 |
0.30-0.60 |
0.020 |
0.010 |
0.20-0.50 |
8.00-9.50 |
0.85-1.05 |
As per Standard |
|
P92 |
0.07-0.13 |
0.30-0.60 |
0.020 |
0.010 |
0.50 Max |
8.50-9.50 |
0.30-0.60 |
As per Standard |
|
P122 |
0.07-0.14 |
0.70 Max |
0.020 |
0.010 |
0.50 Max |
10.00-11.50 |
0.25-0.60 |
As per Standard |
|
P911 |
0.09*-0.13 |
0.30-0.60 |
0.020 |
0.010 |
0.10-0.50 |
8.50-9.50 |
0.90-1.10 |
As per Standard |
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