ASTM A358 CL1 TP304 TP304H TP316L TP317L TP347 Nerjaveèi asye tiyo . Videyo
May 23, 2025
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ASTM A358 CL1 TP304 TP304H TP316L TP317L TP347 Nerjaveèi asye tiyo . Videyo
ASTM A358 is a standard specification covering austenitic electric fusion welded stainless steel grades. ASTM A358 pipes are designed with excellent chromium and nickel composition. ASTM A358 EFW pipes are divided into five categories: Class 1, Class 2, Class 3, Class 4, and Class 5.
ASTM A358 Nerjaveèi asye EFW Klasifikasyon tiyo
|
Klas |
Pwosesis soude |
Kondisyon pou enspeksyon |
|
Klas 1 |
Double-sided soude ak pénétration plen |
100% Tès Radyografik (RT) + tès pwopriyete mekanik |
|
Klas 2 |
Double-sided soude san yo pa pénétration plen |
Enspeksyon vizyèl + tès idrostatik |
|
Klas 3 |
Single-sided soude ak pénétration plen |
100% tès radyografi (RT) |
|
Klas 4 |
Single-sided soude (pa gen okenn metal filler entèn) |
Tès RT + Verifikasyon Entegrite Weld |
|
Klas 5 |
Double-sided soude ak pénétration pasyèl |
20% echantiyon RT tès + tès ultrasons (UT) |
Remak:
Seleksyon Materyèl: 316L pou anviwònman ion klori segondè, 321H pou rezistans gwo tanperati ranpe, ak 904L pou korozyon fò .
Klas matche: Klas 1 yo dwe chwazi pou senaryo ki gen gwo risk (tankou veso presyon ASME BPVC), ak klas 2 pou itilizasyon jeneral .
Spesifikasyon nan ASTM A358 tiyo EFW
|
Espesifikasyon estanda |
ASTM A358, ASME SA358 |
|
Tay |
½ a 6 pous nominal fè |
|
Tip |
Soude, san pwoblèm, ERW, EFW founisè ak manifakti |
|
Epesè miray |
0.1-60 mm |
|
Longè |
Sèl longè o aza 5 a 7 mèt, doub longè o aza 10-12 mèt |
|
Fini sifas |
Poli, klere, rkwir, fini frèt, marinated |
|
Estanda |
ASME, DIN, JIS, ASTM, GB, AISI, AMS, EN, GOST |
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