Seamless Steel Tubes for Petroleum Cracking
Specifications
Standard:GB9948---------Chinese National StandardApplication: It is used for the seamless steel tubes for furnace, heat exchange pipe and piping in petroleum factories
Main Steel Tube Grade:
10, 20,1 2CrMo,15CrMo,1C r2Mo,1C r5Mo,1Crl9Ni9, 1Crl9NillNb etc or according to customer requirements.
Mechanical Properties:
Grade |
Tensile Strength (Mpa) |
Yield Strength(Mpa) |
Elongation(%) |
Impact Energy(J) |
10 |
330~490 |
≥205 |
≥24 |
/ |
20 |
410~550 |
≥245 |
≥21 |
≥39 |
12CrMo |
410~560 |
≥205 |
≥21 |
≥55 |
15CrMo |
440~640 |
≥235 |
≥21 |
≥47 |
1Cr2Mo |
≥390 |
≥175 |
≥22 |
≥92 |
1Cr5Mo |
≥390 |
≥195 |
≥22 |
≥92 |
1Cr19Ni9 |
≥520 |
≥205 |
≥35 |
/ |
1Cr19Ni11Nb |
≥520 |
≥205 |
≥35 |
/ |
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