Nanjing Free-Corrosive Metal Co., Ltd.

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Contact Person : Ms. wu chuan
Company Name : Nanjing Free-Corrosive Metal Co., Ltd.
Tel : 86-25-87187933
Fax : 86-25-87187922
Address : Jiangsu,Nanjing,Jiangning District,Dongshan Street,Zhushan Road 88-4,Room 508,Nanjing
Country/Region : China

tantalum welding wire

tantalum welding wire

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Product Detailed

Related Categories:Other Metals & Metal Products

Tantalum Welding Wire 1.Diameter: minimum 0.05mm 2.Standard: ASTM B365 UNS R05252 Ta-2.5W UNS R05255 Ta-10W

tantalum welding wire

1.Material: RO5200, RO5400, RO5252(Ta-2.5W), RO5255(Ta-10W)

2.Available size: 0.25~3mm

3.Standard: As per ASTM B365-98

4.Purity: >=99.95% or 99.99%

1.Chemical composition:

Chemistry %
Designation	Chief component		Impurities maxmium
Designation	Ta	Nb	Fe	Si	Ni	W	Mo	Ti	Nb	O	C	H	N
Ta1	Remainder		0.004	0.003	0.002	0.004	0.004	0.002	0.03	0.015	0.004	0.0015	0.002
Ta2	Remainder		0.01	0.01	0.005	0.02	0.02	0.005	0.08	0.02	0.01	0.0015	0.01

2. Permissible variations in diameter for rods and wires

Diameter, inch (mm)	Tolerance, +/-inch (mm)
0.010~0.020 excl (0.254~0.508)	0.0005 (0.013)
0.020~0.030 excl (0.508~0.762)	0.00075 (0.019)
0.030~0.060 excl (0.762~1.524)	0.001 (0.025)
0.060~0.090 excl (1.524~2.286)	0.0015 ( 0.038)
0.090~0.125 excl (2.286~3.175)	0.002 (0.051)

3. Mechanical requirements (annealed condition)

Wire, Diameter, inch (mm)
Grade	Diameter,inch (mm)	tensile strength,psi (MPa),≥	Elongation, %, ≥
RO5200/RO5400	0.010(0.254)~0.0149(0.379)	35000 (241)	10
	0.015(0.381)~0.0249(0.633)	35000 (241)	15
	0.025(0.635)~0.124(3.14)	30000 (207)	20
RO5252	0.010(0.254)~0.0149(0.379)	40000 (276)	5
	0.015(0.381)~0.0249(0.633)	40000 (276)	10
	0.025(0.635)~0.124(3.14)	40000 (276)	15
RO5255	0.010(0.254)~0.0149(0.379)	70000 (482)	5
	0.015(0.381)~0.0249(0.633)	70000 (482)	10
	0.025(0.635)~0.124(3.14)	70000 (482)	15
RO5240	0.010(0.254)~0.0149(0.379)	40000 (276)	10
	0.015(0.381)~0.0249(0.633)	40000 (276)	15
	0.025(0.635)~0.124(3.14)	40000 (276)	20

Note: 10" (254mm) gage length to 0.050"(1.27mm) diameter and 1" (25.4mm) or 2"(50.8mm) gage length over 0.050"(1.27mm) diameter

Special requirements to be agreed on by the supplier and buyer of negotiation

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