Alloy ХН63МБ (ЭП758У; ХН60МБ)

Designation

Name	The value
Designation GOST Cyrillic	ХН63МБ
Designation GOST Latin	XH63MB
Transliteration	HN63MB
By chemical elements	CrNi63CuBe

Name	The value
Designation GOST Cyrillic	ЭП758У
Designation GOST Latin	EP758U
Transliteration	EhP758U
By chemical elements	-

Name	The value
Designation GOST Cyrillic	ХН60МБ
Designation GOST Latin	XH60MB
Transliteration	HN60MB
By chemical elements	CrNi60CuBe

Description

Alloy ХН63МБ used: for the manufacture of products, working in soberrecovery environments containing chlorides, fluorides, organic acids and highly contaminated mineral acids, a complex mixture of acids and chemicals at elevated temperatures, in the manufacture of fertilizers, rubber, acetic kalotiti, anhydride, etc.; welded parts and assemblies working in radioactive environments, connections of details from alloy grade 46ХНМ (ЭП630) with details of korrozionnostojkih steel type 12X18H10T, 10X17H13M2T.

Standards

Name	Code	Standards
Welding and cutting metals. Soldering, riveting	В05	OST 95 10441-2002
Test methods. Packing. Marking	В09	RD 24.200.15-90
Blanks. Of the workpiece. Slabs	В31	TU 14-1-1214-75
Wire, steel, alloy	В73	TU 14-1-4734-89
Sheets and strips	В33	TU 14-1-4881-90, TU 14-1-4673-89

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Ti	Mo	Nb
TU 14-1-4734-89	≤0.02	≤0.03	≤0.03	-	19-21	-	Rest	≤0.5	-	15-16	0.02-0.1
TU 14-1-4673-89	≤0.03	≤0.02	≤0.03	≤0.5	23-25	≤0.1	Rest	≤0.5	0.01-0.16	16-19	0.1-0.2

Ni is the basis.
According to TU 14-1-4734-89, the chemical composition is given for a welding wire made of the alloy KhN63MB-VI (EP758U-VI).
According to TU 14-1-4673-89, the chemical composition is given for an alloy of the brand KhN63MB-ID (EP758U-ID).

Technological properties

Name	The value
Weldability	Manual argon arc welding with non-consumable electrode (filler or without filler metal), use of combined methods of welding.