Fe-Cr-Al high-temperature wire-HEATING MATERIA

Fe-Cr-Al high-temperature wire

Tags:

Code: OCr21AL6Nb、OCr27AL7Mo2

Material: Fe-Cr-Al high-temperature wire

Specifications: φ0.07mm~φ9.0mm

features: Fe-Cr-Al high-temperature heat-resistant wire with chromium and aluminum content increased to improve, with excellent oxidation resistance, anti-and anti-carburizing of sulfur, and has a light weight, surface loading, long service life Low price a series of advantages, especially 0Cr27Al7Mo2 alloy, high temperature in the atmosphere, the relatively long life. Is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive, military and other industries producing heating elements and resistance elements

Product specifications：

Cold drawnalloy wire	Dia.	φ1.0-φ9.0mm
Bright wire	Dia.	φ0.07-φ1.0mm

Echnical parameters of Fe-Cr-Al high-temperature wire Table：

Material/performance		OCr21AL6Nb	OCr27ALMo2
Main Chemical Composition	Cr	21.0-23.0	26.5-27.8
	Al	5.0-7.0	6.0-7.0
	Re	opportune	opportune
	Fe	Rest	Rest
		Nb0.5	Mo1.8-2.2
Max.continuous service temp.of element (ºC)		1350	1400
Resistivity at 20ºC (μΩ·m)		1.45	1.53
Density(g/cm³)		7.10	7.10
Thermal conductivity (KJ/m·h·ºC)		46.1	45.2
Coefficient of lines expansion (α×10-6/ºC)		16.0	16.0
Melting point ( ºC)		1510	1520
Tensile strength		650-800	680-830
Elongation at rupture (%)		>12	>10
Variation of area (%)		65-75	65-75
Repeat bending Frequency (F/R)		>5	>5
Hardness(H.B.)		200-260	200-260
Micrographic structure		Ferrite	Ferrite
Magnetic properties		Magnetic	Magnetic

Technical parameters of Fe-Cr-Al high-temperature wire Table：

Dia.	Cross sectional area (mm²)	Surface per meter (cm²/m)	0Cr21Al6Nb			0Cr27Al7Mo2
			1.45±0.07 Resistivty μΩ• m			1.53±0.07 ResistivityμΩ• m
			Resistance per meter (Ω/m)	Length per kg. (m/kg)	Weight per meter (kg/m)	Resistance per meter (Ω/m)	Length per kg. (m/kg)	Weight per meter(kg/m)
0.10	0.0078	3.14	184.6	17933	0.0000558	194.8	17933	0.0000558
0.12	0.0113	3.77	128.2	12453	0.0000803	135.3	12453	0.0000803
0.15	0.0177	4.71	82.1	7970	0.000125	80.6	7970	0.000125
0.17	0.0227	5.34	63.9	6205	0.000161	67.4	6205	0.000161
0.19	0.0284	5.97	51.1	4968	0.000201	54.0	4968	0.000201
0.21	0.0346	6.60	41.9	4066	0.000246	44.2	4066	0.000246
0.25	0.0491	7.85	29.5	2870	0.000349	31.2	2870	0.000349
0.27	0.0573	8.48	25.0	2460	0.000407	26.7	2460	0.000407
0.29	0.0661	9.11	22.0	2131	0.000469	23.2	2132	0.000469
0.31	0.0755	9.74	19.2	1866	0.000536	20.3	1866	0.000536
0.35	0.0962	11.00	15.1	1464	0.000683	15.9	1464	0.000683
0.40	0.1257	12.57	11.54	1121	0.000892	12.19	1121	0.000892
0.45	0.1590	14.14	9.12	886	0.001129	9.62	886	0.001129
0.50	0.1963	15.71	7.38	717	0.001394	7.79	717	0.001394
0.60	0.283	18.85	5.13	498	0.00201	5.41	498	0.00201
0.70	0.385	22.0	3.77	366	0.00273	3.98	366	0.00273
0.80	0.503	25.1	2.88	280	0.00357	3.04	280	0.00357
0.90	0.636	28.3	2.28	221	0.00452	2.41	221	0.00452
1.00	0.785	31.4	1.85	179.5	0.00557	1.95	179.5	0.00557
1.20	1.131	37.7	1.282	124.5	0.00803	1.35	124.5	0.00803
1.40	1.539	44.0	0.942	91.5	0.01093	0.994	91.5	0.01093
1.60	3.01	50.3	0.721	70.1	0.01427	0.761	70.1	0.01427
1.80	2.54	56.5	0.570	55.5	0.01803	0.601	55.5	0.01803
2.00	3.14	62.8	0.462	44.8	0.0229	0.487	44.8	0.0229
2.20	3.80	69.1	0.381	37.0	0.0270	0.402	37.0	0.0270
2.50	4.91	78.5	0.295	28.7	0.0349	0.312	28.7	0.0349
2.80	6.16	88.0	0.235	22.9	0.0437	0.248	22.9	0.0437
3.00	7.07	94.2	0.205	19.92	0.052	0.216	19.92	0.052
3.50	9.62	110.0	0.1510	14.64	0.0683	0.159	14.64	0.0683
4.00	12.57	125.7	0.1154	11.21	0.0892	0.1218	11.21	0.0892
4.50	15.90	141.4	0.0912	8.86	0.1129	0.0962	8.86	0.1129
5.00	19.63	157.1	0.0738	7.17	0.1394	0.0779	7.17	0.1394
5.50	23.80	172.8	0.0610	5.92	0.1690	0.0644	5.92	0.1690
6.00	28.30	188.5	0.0513	4.98	0.201	0.0541	4.98	0.201
6.50	33.20	204	0.0437	4.24	0.236	0.0461	4.24	0.236
7.00	38.50	220	0.0377	3.66	0.273	0.0398	3.66	0.273

Delivery status:
1、Product packaging and wire cl, oth strip wrapped in packages, in rolls supply. wire and flat, around the axis of PlasticSupply.
2、Export products and customers with special requirements, negotiated settlement.