Baosteel P Series CRGO Coil | B23P085 B27P100 B30P120 Grain Oriented Silicon Steel Coil

Original Baosteel grain oriented silicon steel with stable consistent magnetic performance
Low core loss to reduce transformer energy consumption
0.23/0.27/0.30/0.35mm thickness range for different power rating transformers
C5/C6 insulation coating options, RoHS lead-free available
Complete downstream processing service including stamping & core winding

Product Overview

Baosteel P Series CRGO coil is conventional grain-oriented electrical silicon steel from Baosteel, widely accepted for power transformer and reactor core production. Main grades: B23P085, B23P090, B23P095, B27P100, B27P110, B30P120, B30P130, B35P145, B35P155. Silicon content 3.20~3.45%.

Baosteel P series delivers balanced magnetic performance and competitive price, widely used for distribution transformers, dry-type transformers and power equipment magnetic cores. Mother coil width 700–1250mm, precision slitting down to 20mm width. We offer cut-to-length, EI lamination stamping, toroidal winding, stress relief annealing. MTC provided for each shipment.

CRGO Coil

Chemical & Mechanical Property Snapshot

Grade	C (Carbon) Max %	Si (Silicon) %	Mn Max %	P Max %	S Max %	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation A50 (%)	Magnetic Core Loss P17/50 (W/kg)
B23P085	0.05	3.20–3.45	0.10	0.025	0.02	330	460	≥10	0.85
B27P100	0.05	3.20–3.45	0.10	0.025	0.02	320	450	≥11	1.00
B30P120	0.05	3.20–3.45	0.10	0.025	0.02	310	440	≥12	1.20
B35P145	0.05	3.20–3.45	0.10	0.025	0.02	300	430	≥12	1.45

Detailed Technical Specifications

Item	Specification
Product	Baosteel P Series Cold Rolled Grain Oriented Silicon Steel Coil (CRGO)
Included Grades	B23P085, B23P090, B23P095, B27P100, B27P110, B30P120, B30P130, B35P145, B35P155
Material Type	Baosteel conventional grain oriented electrical steel
Applicable Standards	GB/T 2521.2-2025, IEC 60404-8-7
Standard Thickness	0.23 mm,0.27 mm,0.30 mm,0.35 mm
Customized Thickness	Down to 0.18mm
Mother Coil Width	700–1250 mm
Precision Slitting Width	Down to 20 mm
Slitting Width Tolerance	±0.1 mm
Standard Coil ID	508 mm (20 inch)
Customized Coil ID	610 mm
Single Coil Weight	2–8 tons
Coil Splitting	Available per order
Insulation Coatings	C5 general inorganic coating; C6 high-insulation coating; RoHS lead-free coating
Available Processing	Flattening & cut-to-length, EI lamination stamping, toroidal core winding, stress-relief annealing, laser cutting
Main Applications	Distribution transformers, dry-type transformers, power equipment, reactor cores
Quality Documentation	Mill Test Certificate (MTC)
MOQ	5 Ton
Payment Terms	T/T, L/C at Sight
Delivery Time	7–15 working days after receiving deposit
Package	Waterproof paper + galvanized steel strap + seaworthy export wooden pallet

Product Comparison Table

Specification	B23P085	B27P100	B30P120	B35P145
Thickness	0.23mm	0.27mm	0.30mm	0.35mm
Core Loss P17/50	0.85 W/kg	1.00 W/kg	1.20 W/kg	1.45 W/kg
Key Feature	Thin gauge low loss Baosteel grade	Balanced magnetic & cost performance	Widely used standard grade	Economical thicker gauge
Typical Application	High efficiency distribution transformer	Medium power transformer	General transformer & reactor	Large common power transformer
Coating Option	C5/C6/RoHS Lead-free	C5/C6/RoHS Lead-free	C5/C6/RoHS Lead-free	C5/C6/RoHS Lead-free

App Market

Reliable Steel Coil Solutions For Diverse Industrial Applications

Photovoltaic Inverter Energy Storage Transformer, Wind Power Box Transformer, High-speed rail Traction Transformer

Transformer Voltage Current Metering Transformer Reactor Core

Military Special Power Supply Excitation Core of medical nuclear Magnetic Equipment

Product Packaging

Secure Export Packaging For Safe Handling And Delivery

FAQs

What is Baosteel P series CRGO?

Baosteel P series is conventional grain oriented silicon steel from Baosteel, widely used for power transformer and reactor magnetic core manufacturing.

What is difference between Baosteel P series and Hi-B R series?

P series is conventional CRGO, while Hi-B R series is high magnetic induction laser scribed grade with better magnetic performance for large high-end transformers.

Can you slit Baosteel P series CRGO coil?

Yes, precision slitting service available, minimum slit width 20mm with ±0.1mm tolerance.

Can Baosteel P series use RoHS lead-free coating?

Yes, we supply C5, C6 and RoHS compliant lead-free insulation coating options.

Can you provide Baosteel original MTC certificate?

Yes, full Mill Test Certificate supplied with each shipment including magnetic, mechanical and chemical test results.

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Baosteel P Series CRGO Coil | B23P085 B27P100 B30P120 Grain Oriented Silicon Steel Coil