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Brand Name : | BaoYang |
Model Number : | EN 10216-5 |
Certification : | CE & ISO |
Price : | Negotiable |
Payment Terms : | L/C, D/A, D/P, T/T, Western Union |
Delivery Time : | 7~30 working days |
JIS G3464 Low-Temperature Seamless Carbon Steel Pipes
JIS G3464 Steel Tubes for Low Temperature Service are steel tubes
used for exchanging heat at exceptionally low temperatures, such as
in heat exchangers and condensers. These tubes are specified by the
Japanese industrial standard and are designed to withstand freezing
temperatures. The tubes undergo different heat treatments based on
their class, including normalizing, tempering, quenching, and
tempering. They have specific chemical compositions and mechanical
properties, including tensile strength, yield point, and
elongation.
Heat Treatment
Symbol of class | Heat treatment |
STBL 380 | Normalizing or normalizing and successive tempering |
STBL 450 | |
STBL 690 | Double normalizing and successive tempering or quenching and tempering |
Chemical composition
Symbol of | chemical composition % | |||||
C | Si | Mn | P | S | Nil | |
STBL 380 | 0.25 max | 0.35 max | 1.35 max | 0.035 max | 0.035 max | - |
STBL 450 | 0.18 max | 0.10-0.35 | 0.30-0.60 | 0.030 max | 0.030 max | 3.20-3.80 |
STBL 690 | 0.13 max | 0.10-0.35 | 0.90 max | 0.030 max | 0.030 max | 8.50-9.50 |
Mechanical properties
Symbol of class | Tensile strength(N/mm²) | Yield point or proof stress | Elongation % | ||
Outside | outside | outside | |||
No.11 test | No.11 test | No.11 test | |||
STBL 380 | 382 min | 206 min | 35 min | 30 min | 27 min |
STBL 450 | 451 min | 245 min | 30 min | 25 min | 22 min |
STBL 690 | 686 min | 520 min | 21 min | 16 min | 13 min |
Advantages:
Applications:
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