Non Mag Drill Collar

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详细介绍

[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[产品参数, 参数]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

Device parameters

Non Mag Drill Collar Non Mag Drill Stabilizer

chemical composition

Grade	Chemical composition and its content %
Grade	C	Si	Cr	Mn	Ni	Mo	N
W-1	≤0. 08	≤ 0.8	13. 5 ～ 16.5	1 6.0 ~ 18.5	1.0 ～3.0	0. 4 0 ~ 0. 85	0.2 5 ~ 0. 40
W-2	≤ 0.0 3	≤ 0.8	1 3 ～ 1 6	18.5 ~ 2 2 .0	1.0 ～3.0	0.4 ～0.80	0. 3 0 ~ 0. 45
W-3	≤ 0.0 3	≤ 0.8	16.5 ～18.5	18.5 ~ 2 2 .0	1.0 ～3.0	0.4 ～0.80	0. 50 ~ 0. 80

Mechanical properties

Grade	Outer diameter range	Yield Strength		tensile strength		Elongation A %	Charpy impact work		Hardness ( HB )
	㎜	MPa	ksi	MPa	ksi		21℃	-25°C
W-1	79.4 -174.6	≥758	≥110	≥ 827	≥ 120	≥2 0	≥ 85	≥ 40	2 85 - 400
	177.8-279.4	≥6 89	≥100	≥ 758	≥ 110
W-2	79.4 -174.6	≥827	≥120	≥896	≥130	≥25	≥ 1 50	≥ 40	285-365
	177.8-279.4	≥758	≥110
W-3	79.4 -174.6	≥965	≥140	≥1034	≥150	≥20	≥ 100	≥ 40	300-400
	177.8-279.4	≥896	≥130