ASTM B777 class 4

SB777 class 4 flat bar and tungsten ASTM B777 class 4 hex bar supplier in India

Tungsten ASTM B777 class 4 rod

ASME SB777 class 4 hex bar

B777 class 4 square bar

ASTM B777 class 4 round bar specification

ASTM B777 class 4 tungsten heavy alloy bar size	Dia: 3.0 - 400 mm Length: 20 - 2000 mm
ASTM B777 class 4 tungsten heavy alloy (WHA) rod density	18.5 g/cm3
ASTM B777 class 4 WHA flat bar AMS	AMS 7725E
Tungsten heavy alloys (WHA) class 4 tensile strength	≥ 100 ksi ≥ 689 mpa
Standard of B777 class 4 black bar	ASTM BS ASME AISI EN DIN JIS
Hardness	≤ 35 HRC
Tolerance	H9 H10 H11 H12 H13K9 K10 K11 K12 or as per requirement
Yield strength	≥ 75 ksi ≥ 648 mpa
B777 class 4 hex bar Condition	Centreless ground Cold drawn Hairline Rough turned Matt finish BA finish NO.4 finish Hot rolled pickled Polished Sand blasting finished Black
Type	Type II
Tungsten ASTM B777 class 4 rod form	Round bar Bar Black bar Forged bar Bright bar Hex bar Square bar Flat bar
Properties	Higher density Less corrosive Good ductility
Nominal of tungsten ASTM B777 class 4 rod	97 %
Applications	Aircraft bucking bars Oil and gas Power plant
Industry standards	Magnetic
Elongation	≥ 2 %
Grade	ASTM B-777 MIL-T-21014D AMS 7725E
Thermal conductivity	90 W/(m·K)
Advantages of AMS 7725 hexagonal bar	Capable of being machined traditionally Less costly than pure tungsten Enhanced ductility when compared to tungsten purity
Purity	W ≥ 99.95 %
Content, wt.%	W - 97% Ni - 2.1% Fe - 0.9%
Mag. perm.	> 1.05
Packing	Wooden box Standard packaging
Poisson's ratio of ASTM B777 WHA class 4 rod	0.28
Latent heat of fusion	170 J/g
Thermal expansion	4.5 µm/m-K
Electrical conductivity	Equal Volume - 17 % IACS Equal Weight - 9.7 % IACS

Different types of SB777 class 4 bar

Tungsten B777 cls 4 flat bar

AMS 7725 cls 4 forged bar

B777 class 4 black bar

ASME SB777 class 4 round bar

ASTM B777 cls 4 bright bar