Beishang Guangshen Metal

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Classification Introduction

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Grain-Oriented Electrical Steel

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Spherical plain bearing is a spherical sliding bearing whose sliding contact surface is an inner spherical surface and an outer spherical surface. It can be rotated and oscillated at any angle during movement. It is made by surface phosphating, blasting, inlaying, spraying and other processing methods.

Spherical plain bearings have the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning and good lubrication. According to different types and structures, it can bear radial load, axial load or combined radial and axial load. The application scenarios are: water conservancy and professional machinery.

Our company distributes bearings of major brands with sufficient inventory.
We professionally provide GE/GEH/PHS/POS type bearings to provide you with the best quality service! If you have any needs, we can also provide you with brand (such as NTN, FAG, SKF, etc.) alternative services to meet your needs! Welcome to consult!

PRODUCT DESCRIPTION

1. INTRODUCTION:

Oriented electrical steel, also known as cold-rolled oriented silicon steel, refers to cold-rolled electrical steel containing 2.9% to 3.5% Si, and the crystal structure of the steel plate has certain rules and directions. Oriented electrical steel is an indispensable soft magnetic material in the power industry, mainly used in transformers, rectifiers, reactors and large motors and other industries.

2. APPLICATION:

Varieties	Conventional type	High induction type	Domain refined high induction type
Large motors	✶	✶
Large transformers	✶	✶	✶
Medium and small transformers	✶	✶	✶
Distributing transformers	✶	✶
Voltage regulator	✶	✶
Reactor and magnetic amplifier	✶	✶	✶
IF transformer		✶
Mutual inductor	✶	✶
TV transformer	✶	✶
Radio transformer	✶	✶
Radio broadcast transformer		✶

3.Standard dimensions of products：

Available thickness (mm)	Available width range （mm）	Inside diameter （mm）
0.23、0.27、0.30、0.35	900~1200	508

4.Dimensional and shape tolerances：

Width (mm)	Thickness (mm)	Thickness tolerance （mm）	Longitudinal thickness tolerance （mm）	Traverse thickness tolerance （mm）	Width tolerance （mm）	Flatness （%）	Camber within 2m （mm）
900~1200	0.23	±0.02	≤0.03	≤0.02	0~+2	≤1.5	≤1.0
	0.27	±0.03
	0.30
	0.35

Note:

a. Delivery without trimming is allowed, and the allowable width deviation is 0~+5mm.

b. Traverse thickness deviation refers to the thickness difference between the sheet center and 15mm from the edge.

c. The longitudinal thickness difference is the difference of the measured maximum thickness and the minimum thickness in the longitudinal direction (parallel to the rolling direction) at an arbitrary 2m length of steel on steel.

d. Please consult us if you have special requirements.

5.Standard electromagnetic properties：

Type	Grade	Thickness (mm)	Density （kg/dm3）	Max. Core loss （W/kg）	Min. Induction （T）
Conventional G type	B23G110	0.23	7.65	1.10	1.80
	B27G120	0.27	7.65	1.20	1.80
	B30G120	0.30	7.65	1.20	1.80
	B30G130			1.30	1.80
	B30G140			1.40	1.80
	B35G135	0.35	7.65	1.35	1.80
	B35G145			1.45	1.80
	B35G155			1.55	1.80
High induction P type	B23P085	0.23	7.65	0.85	1.87
	B23P090			0.90	1.87
	B23P095			0.95	1.87
	B27P090	0.27	7.65	0.90	1.88
	B27P095			0.95	1.88
	B27P100			1.00	1.88
	B30P095	0.30	7.65	0.95	1.88
	B30P100			1.00	1.88
	B30P105			1.05	1.88
	B30P120			1.20	1.88
	B35P115	0.35	7.65	1.15	1.88
	B35P125			1.25	1.88
	B35P135			1.35	1.88
Domain refined high induction R type	B23R080	0.23	7.65	0.80	1.87
	B23R085			0.85	1.87
	B23R090			0.90	1.87
	B27R085	0.27	7.65	0.80	1.87
	B27R090			0.85	1.87
	B27R095			0.90	1.87

Note: a. Detecting basis GB/T3655-2008(G type and P types)、GB/ T13789-2008（R type b. G type and P type test specimens are sheared to the rolling direction and annealed for stress relieving c. P17/50 means core loss of sample per kg at max. magnetic induction 1.7T and frequency 50Hz; d. B8 means magnetic induction corresponding to 800A/m magnetic field intensity.

6.Typical magnetic properties：

Type	Grade	Thickness (mm)	Density (kg/dm³)	Core loss(W/kg)				Induction(T)
Type	Grade	Thickness (mm)	Density (kg/dm³)	P15/50	P17/50	P15/60	P17/60	B8	B25
ConventionalGtype	B23G110	0.23	7.65	0.79	1.08	1.04	1.40	1.89	1.94
	B27G120	0.27	7.65	0.86	1.18	1.14	1.53	1.89	1.94
	B30G120	0.30	7.65	0.84	1.15	1.11	1.50	1.89	1.94
	B30G130			0.91	1.25	1.20	1.63	1.88	1.94
	B30G140			0.99	1.35	1.30	1.76	1.86	1.91
	B35G135	0.35	7.65	0.97	1.33	1.28	1.74	1.86	1.91
	B35G145			1.02	1.40	1.35	1.82	1.85	1.91
	B35G155			1.10	1.50	1.45	1.95	1.84	1.91
High inductionPtype	B23P085	0.23	7.65	0.61	0.84	0.81	1.09	1.91	1.96
	B23P090			0.64	0.87	0.84	1.13	1.91	1.95
	B23P095			0.66	0.90	0.87	1.17	1.90	1.95
	B27P090	0.27	7.65	0.65	0.89	0.86	1.16	1.91	1.96
	B27P095			0.67	0.92	0.89	1.21	1.91	1.95
	B27P100			0.69	0.95	0.92	1.25	1.90	1.95
	B30P095	0.30	7.65	0.69	0.94	0.91	1.25	1.91	1.96
	B30P100			0.71	0.97	0.93	1.28	1.91	1.95
	B30P105			0.73	1.00	0.96	1.31	1.91	1.95
	B30P120			0.75	1.03	0.99	1.34	1.90	1.95
	B35P115	0.35	7.65	0.82	1.12	1.08	1.50	1.90	1.95
	B35P125			0.89	1.22	1.18	1.60	1.89	1.94
	B35P135			0.96	1.32	1.27	1.72	1.89	1.94
Domain refined high inductionRtype	B23R080	0.23	7.65	0.57	0.78	0.75	1.01	1.90	1.95
	B23R085			0.60	0.82	0.79	1.07	1.90	1.95
	B23R090			0.63	0.86	0.83	1.12	1.88	1.94
	B27R085	0.27	7.65	0.61	0.84	0.81	1.13	1.90	1.95
	B27R090			0.63	0.86	0.83	1.15	1.89	1.95
	B27R095			0.66	0.90	0.87	1.18	1.89	1.94

7.Typical mechanical properties:

Thickness(mm)	Tensilestrength(MPa)	Yieldstrength(MPa)	Elongation(%)	Hardness(Hv1)	90° Number ofbends	Laminationfactor(%)
0.23	352	330	12	200	21	96.5
0.27	358	333	12	204	21	97.0
0.30	361	336	13	205	20	97.5
0.35	364	340	13	206	20	98.0

Note: a. Detecting basis GB/T228- 2002、GB/T 4340.1-1999、 GB/T19289-2003. b. Above properties are typical values for reference only and not as a guarantee. c. L refers to the rolling direction.

8.Packing：

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