Ship Parts Application Brass Strip

Ship parts brass strip has extremely good plasticity and high strength, and is easy to weld. It is an alloy of copper and zinc, mainly H70, H65, H62, H80, H90 and other materials, and the copper content is 62%-71.5%.

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Mechanical properties of typical rolled brass product

Designation	temper	mechanical properties		Hardness HV
Designation	JIS	tensile strength , Rm . MPa	elongation A .%	Hardness HV
H70 H68 H65 C2600 C2680	1/4H	350~410	≥35	85-115
	1/2H	380-440	≥23	110-140
	3/4H	400-470	≥15	125-155
	H	440~530	-	140-170
	EH	520-620	-	160-190
	SH	570-670	-	≥175
	ESH	≥620	-	≥190

Note : The listed data for mechanical properties refer to the product no less than 0.15mm.

Ship parts brass strip grade categories of typical annealed brass products

Designation	temper	grain size , mm				mechanical properties		hardness HV
		grade code		nominal value	range	tensile strength Rm . MPa	elongation A .%
		GB	ASTM	nominal value	range	tensile strength Rm . MPa	elongation A .%
H70 H68 H65 C2600 C2680	annealed	A	OSO15	0.015	&~0.025	365-415	≥40	≤105
		B	OS025	0.025	0.015-0.035	340-390	≥45	≤95
		C	OS035	0.035	0.025-0.050	315-365	≥45	≤85
		D	OS050	0.050	0.035-0.070	295-355	≥50	≤75

Note:1. & means the minimum grain after completely crystallized .
2.In contract , the listed grain sizes are specified value , while the mechanical properties and hardness are reference values.

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