API Class T coupling
1)Type: class T, FS and SH coupling
2)Coupling diameter: 5/8 ",3/4",7/8",1",1-1/8"
3) Weight: 0.41-1.29 KG/Pcs
4)Material: AISI 5I40
5)Basic Hardness: HRC 16-23
6)Operating Temperature: -1000~400℃
7) Life: > 90 days
8)Standard: API Spec 11B
9)Package: wooden case
10)Port: Qingdao
11)Payment Terms: T/T
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