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ae Steel Pipes for Pipeline, Vessel and Equipment Structures
Category:
Product Description
Steel Pipes for Pipeline, Vessel and Equipment Structures.
Standards:
ASTM A519, DIN1629, DIN2391, ASTM A513, BS6323, EN10305-1, JIS3441
Application:
It is used for manufacturing pipeline, vessel, equipment, pipe fittings and steel structure.
Main Steel Tube Grades:
St37.0, St44.0, St52.0
Chemical Composition (%):
|
Standard |
Grade |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
V |
|
Q/BQB 203 DIN1629 |
ST37.0 |
≤0.17 |
0.17-0.37 |
0.35-0.65 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
- |
|
ST44.0 |
≤0.21 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
- |
|
|
ST55 |
0.33-0.41 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
- |
|
|
ST52.0 |
≤0.22 |
≤0.55 |
≤1.60 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
- |
|
|
CK45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.025 |
≤0.020 |
≤0.25 |
≤0.25 |
≤0.25 |
- |
Mechanical Properties:
|
Standard |
Grade |
Tensile Strength (MPa) |
Yield Strenght Not less than |
Elongation Not less than |
Impact Test |
||
|
≤16mm |
＞16-30mm |
Temperature (℃) |
Absorbed Energy (KV/J) |
||||
|
Q/BQB203 DIN1629 |
- |
- |
≤16mm |
＞16mm |
- |
- |
- |
|
ST37.0 |
350-480 |
235 |
225 |
25 |
- |
- |
|
|
ST44.0 |
420-550 |
275 |
265 |
21 |
- |
- |
|
|
ST55 |
540-645 |
295 |
285 |
17 |
- |
- |
|
|
ST52.0 |
500-650 |
355 |
345 |
21 |
- |
- |
|
|
CK45 |
590-730 |
335 |
325 |
14 |
- |
- |
|
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CONTACT US
Tel:+86-317-2049276
Mobile:+86 13373379809
Whatsapp:+86-13931796721
Postcode: 061000
Mailbox: czbqpipe@outlook.com
info@czbqpipes.com
International Dept.: info@tjczd.net
Address: Pipeline Base Center, Cangzhou City, Hebei Province, China
Cangzhou Boqiang Pipeline Co., Ltd.