1, ye cɔl PN ye 0.25MP-1.0MPa carbon steel, austenitic stainless steel forging ye cɔl class I forging.
2, ka tɛ̈n ye wɛ̈t cï gɔ̈ɔ̈r piny, ka tɛ̈n ye wɛ̈t cï gɔ̈ɔ̈r piny PN ye 1.6MPa-6.3MPa, ka tɛ̈n ye wɛ̈t cï gɔ̈ɔ̈ 3. Ye raan dɔ̈ɔ̈r ye kë tɔ̈u piny tɔ̈u piny, a dhil bɛ̈n ya tɔ̈u piny III ku kä ye kek looi:
(1) Chromium molybdenum steel forged with a common pressure PN> 4.0MPa; ye cɔl chromium molybdenum steel forged with a common pressure PN> 4.0MPa;
(2) Ferrite steel forged with a nominal pressure PN> 1.6MPa and working temperature ≤-20 degrees Celsius; 2) Ferrite steel forged with a nominal pressure PN> 1.6MPa and working temperature ≤-20 degrees Celsius
(3) Fɛɛr ye cɔl PN≥10.0MPa ye cɔl flange.
II, welding ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ ye kɔrɔ Na cï looi në steel plate wala steel type, a adhil bï kä tɔ̈u piny looi:
1, steel plate must be detected by ultrasonic, no stratification defects. 1, steel plate must be detected by ultrasonic, no stratification defects. 1, steel plate must be detected by ultrasonic, no stratification defects.
2, a bɛ ya tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈u ka tɔ̈ɔ̈ A ka dɛ tɔ̈u ka cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl ye cɛl
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