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Help CenterCOLD DRAWN SEAMLESS TUBE STEEL for High Pressure Boiler GB 5310
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COLD DRAWN SEAMLESS TUBE STEEL for high pressure boiler GB 5310
Main Steel Pipe Model
10, 20, 20G, 20MnG, 25MnG, ST45.8/Ⅲ, 15Mo3 etc.
Standard GB5310 seamless steel tubes and pipes for high pressure boiler
Diamensional tolerances:
Types of steel tubes |
Outer diameters |
Wall thickness |
||
Cold-rolled tubes |
Tube sizes(mm) |
Tolerances(mm) |
Tube sizes (mm) |
Tolerances(mm) |
>30~50 |
±0.3 |
>3~20 |
±10% |
|
Application
Used as the pipes on the heated side of HIGH pressure boilers.
Mechanical properties:
Standard codes |
steel |
Tensite strength(MPa) |
Yield strength(MPa) |
Elongation(%) |
Hardness |
GB5310 |
20G |
410~550 |
≥245 |
≥24 |
/ |
20MnG |
≥415 |
≥240 |
≥22 |
/ |
|
25MnG |
≥485 |
≥275 |
≥20 |
/ |
|
ASME SA210 |
SA210A-1 |
≥415 |
≥255 |
≥30 |
≤143HB |
SA210C |
≥485 |
≥275 |
≥30 |
≤179HB |
|
DIN17175 |
ST45.8/Ⅲ |
410~530 |
≥255 |
≥21 |
/ |
15Mo3 |
450~600 |
≥270 |
≥22 |
/ |
Chemical composition:
Standard codes |
steel |
Chemical compositions (%) |
||||||
C |
Si |
Mn |
P |
S |
Cr |
Mo |
||
GB5310 |
20G |
0.17~0.24 |
0.17-0.37 |
0.35~0.65 |
≤0.025 |
≤0.015 |
|
|
20MnG |
0.17~0.24 |
0.70~1.00 |
|
|||||
25MnG |
0.18~0.24 |
0.80~1.10 |
|
|||||
15CrMo |
0.12~0.18 |
0.40~0.70 |
0.80~1.10 |
0.40~0.55 |
||||
ASME SA210 |
SA210A-1 |
0.13~0.19 |
≥0.1 |
0.45~0.65 |
≤0.030 |
≤0.030 |
||
SA210C |
0.18~0.24 |
0.80~1.10 |
||||||
DIN 17175 |
ST45.8/Ⅲ |
≤0.21 |
0.10~0.35 |
0.40~1.20 |
≤0.040 |
≤0.040 |
||
15Mo3 |
0.12~0.20 |
0.40~0.80 |
≤0.035 |
≤0.035 |
0.25~0.35 |
|||
Manufacturer |
Hebei Province Gold Mysterious Pipe Co.,Ltd |
|
Process |
Seamless, Cold drawn |
|
|
size |
Outer Diameter |
25.8,31.8,38,50.8mmetv |
Wall Thickness |
1-12mm |
|
Length |
max 12m |
|
Contact |
Elina Wong 86-0312-6721288 skype.....>jinaoguanye3 |
|
Send Inquiry to This Supplier
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