wolfram rod for support line

Specifications Feature: good hot conductibility and electrical resistance, high elastic modulus, etc

Condition:M

Size: Dia5x130mm

  wolfram rod for support line Product Description

Item name	Tungsten Bar/ Tungsten Rod
Standard	GB/T 4187-84
Specification	Dia5x130mm
Application	Industrial
Surface	bright
Processing	Forged
MOQ	1kg

Features 1. With stable high-temperature-proof function thermo stability 2. With good comprehensive performance 3. The melting point is 3000 Centigrade 4. The raw material is high-purity, and adopts the advanced technology, 5. Long service life 6. Mainly put into the machine use, such as the machine parts, and it is also used as the coating material Chemical component / The tolerance of Diameter and length Chemical Composition

Trade mark	W	Other elements (%) NMT
W1	Other	Al	Cu	Fe	Mg	Mo	Ni	Si	C	N	O
		0.002	0.005	0.005	0.003	0.01	0.003	0.005	0.008	0.003	0.005

The tolerance of diameter and length

Diameter (mm)	Tolerance(mm)	Indefinite length (mm)
30~50	±3.0	200~700
>50~80	±4.0	200~700
>80~110	±5.0	200~700
>110~150	±6.0	200~700

Forging bar and Spin forging bar

Diameter	Tolerance (mm)			Indefinite length (mm)	processing
	Forged bar	Machining bar	Polished bar
11~18	±0.5	±0.3	±0.2	200~1000	Spin forging
>18~30	±1.0	±0.4	±0.2	200~1000	forging
>30~40	±1.5	±0.5	±0.25	200~1000
>40~50	±2.0	±0.65	±0.3	200~1000
>50~60	±2.5	±0.8	±0.4	200~800
>60~70	±3.0	±1.0	±0.5	200~800
>70~80	±3.5	±1.2	±0.5	200~800

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