Titanium Gr5 fasteners bolt screw nut washer

Description

ASTM	Grade 5
UNS	R56400

 

Gr5 is a titanium alloy.

Titanium alloy is titanium based on the addition of other elements of the alloy, titanium has two kinds of homogenous crystal: below 882℃ for the dense hexagonal structure of α titanium, 882℃ above the body center cubic β titanium.

The density of titanium alloy is generally about 4.51g/ cubic centimeter, only 60% of steel, the density of pure titanium is close to the density of ordinary steel, some high strength titanium alloy exceeds the strength of many alloy structural steel.

Titanium has plasticity, the elongation of high purity titanium can reach 50-60%, the reduction of section can reach 70-80%, but the contraction strength is low (that is, the strength generated when the contraction).

The existence of impurities in titanium has a great influence on its mechanical properties, especially the gap impurities (oxygen, nitrogen, carbon) can greatly improve the strength of titanium, significantly reduce its plasticity.The good mechanical properties of titanium as a structural material are achieved by strictly controlling the appropriate impurity content and adding alloying elements.

 

Chemical element content(%)

Gr5	Min%	Max%
Fe	–	0.4
C	–	0.08
N	–	0.05
V	3.5	4.5
Al	5.5	6.75
H	–	0.015
O	–	0.2
More	Ti: allowance

Mechanical property

Condition	Bar, bar blank;D 76 or less;S 64.5 or less
Heat treatment	annealing
Tensile strength σb Mpa	≥895
Yield point σs Mpa	≥828
Reduction of section ψ %	≥25

Fastener type

BOLT	Hex bolt	DIN931(ISO 4014) DIN933(ISO 4017) DIN961(ISO 8676) ANSI B18.2.1 JIS B1180
	Hex flange bolt	DIN6921 ANSI B18.2.1
	Carriage bolt	DIN603(ISO 8677) ANSI B18.5
	Eye bolt	DIN580 DIN444
	Square head bolt	ASME B18.2.1 JIS B1182
	T bolt	DIN186 JIS B1166
	U bolt	DIN3570 IFI136 ASME B18.31.5
	Anchor bolt	ASME B18.31.5 JB/ZQ 4363 JB/ZQ4364
SCREW	Hex socket screw	DIN912(ISO 4762) DIN7984 DIN7991(ISO 10642) ISO 7380 ASME B18.3
	Machine screw	DIN963(ISO 2009) DIN964(ISO 2010) DIN965(ISO7046) DIN966(ISO7047) ANSI B18.6.3P ANSI B18.6.3F DIN84(ISO 1207) DIN85(ISO 1580)
	Set screw	DIN913(ISO 4026) DIN914(ISO 4027) DIN915(ISO 4028) DIN916(ISO 4029 ) ANSI B18.3
	Tapping screw	ISO7049 ISO 7050 JIS B1122T DIN7982 DIN968
	Wooden screw	DIN571 ANSI B18.2.1
NUT	Hex nut	DIN 934(ISO 4032) ANSI B18.2.2 ANSI B18.2.4 DIN 936(ISO 4035) DIN 439(ISO 4036) ISO 8674(UNI 5587)
	Hex flange nut	DIN6923(ISO 4161 ANSI B18.2.4.4M) IFI 145
	Lock nut	DIN985 DIN982 DIN980 DIN6926 ANSI B18.16.6
	Cover nut	DIN1587 DIN917
	Square nut	DIN557 DIN562 ANSI N18.2.2
STUD	Stud	DIN975 DIN976 IFI136
WASHER	Flat washer	DIN125(ISO 7089/ISO 7090) DIN126(ISO 7091) DIN9021(ISO 7093) ANSI B18.22.1
	Spring washer	DIN127 DIN7980