13CrMo44 alloy steel round tubes are used for heating surface pipes of medium and low pressure boilers (working pressure is generally not more than 5.88Mpa, working temperature is below 450℃); used for heating surface pipes, economizers, superheaters, reheaters, petrochemical pipelines, etc. of high pressure boilers (working pressure is generally above 9.8Mpa, working temperature is 450℃~650℃).
13CrMo44 Steel Pipe /Tube Chemical Composition :
| Grade | Material | C | Si | Mn | P | S | Cr | Mo |
| 13CrMo44 | 1.7335 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | 0.035 | 0.035 | 0.70-1.10 | 0.45-0.65 |
DIN 17175 13CrMo44 Seamless Steel Pipes/ Tubes Mechanical Properties:
| Grade | Material | Tensile strength N/mm2 | Yield strength thickness,mm | Elongation (L=5do) | Notch impact energy | |||
| ≤16 | >16≤40 | >40≤60 | ||||||
| N/mm2 min | ||||||||
| 13CrMo44 | 1.7335 | 440-590 | 290 | 290 | 280 | 22 | 20 | 34 |
DIN 17175 13CrMo44 Seamless alloy Steel Pipes
13CrMo44 hot-rolled steel pipes Outside Diameter & Tolerance :
|
Outside Diameter, mm |
Tolerance, % |
|
OD≤120 |
±0.6, 0.25mm min |
|
OD>120 |
±0.75 |
13CrMo44 cold drawn steel pipes/ Wall thickness & Tolerance :
|
Outside Diameter , mm |
Wall Thickness, mm |
Tolerance, % |
|
OD≤130 |
WT≤2*S(DIN 2448) |
+15/-10 |
|
2*S(DIN 2448)＜WT≤4*S(DIN 2448) |
+12.5/-10 |
|
|
WT>4*S(DIN 2448) |
±9 |
|
|
130＜OD≤320 |
WT≤0.05*OD |
+17.5/-12.5 |
|
0.05*OD＜WT≤0.11*OD |
±12.5 |
|
|
WT>0.11*OD |
±10 |
|
|
320＜OD≤660 |
WT≤0.05*OD |
+22.5/-12.5 |
|
0.05*OD＜WT≤0.09*OD |
+15/-12.5 |
|
|
WT>0.09*OD |
+12.5/-10 |
Gnee Steel Company is a professional steel company integrating R&D, manufacturing, sales and service. With annual sales of nearly US$1 billion and annual export volume of more than 50,000 tons, it is a steel mill located in Anyang City, Henan Province with convenient transportation. The factory covers an area of about 35,000 square meters, the company has more than 200 employees, and exports to 150 countries every year.
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FAQ
Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
Q.Can I visit your factory?
A.Of course you can, we welcome customers from all over the world to visit our factory.
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