Q235B Flat Bulb Steel Compared Grades

Q235B Flat Bulb Steel is more cost-effective, efficient and corrosion-resistant for high-performance steel plate stiffener for shipbuilding or bridge building applications, Main application: of Q235B Bulb flat steels are used to build ship and vessels and other steel structures.

All Steel Grades Chart forBulb Flat Steel:

MATERIAL	STEEL GRADE
Shipbuilding bulb flat	Grade A, Grade B, Grade AH32,Grade AH36,Grade AH40,Grade DH32,Grade DH36,Grade DH40 CCS,ABS,GL,LR,NK,BV,DNV,KR,RINA CERTIFICATE
Mild bulb flat	Q235B,Q345B,S355JR,S235JR,A36,SS400,A283 Grade C,St37-2,St52-3

Q235B Flat Bulb Steel Chemical analysis

Grade	C%	Mn%	Si%	P%	S%
S45C	0.42-0.48	0.6-0.9	0.15-0.35	≤0.030	≤0.030
S50C(S48C)	0.47-0.50	0.65-0.80	0.18-0.31	≤0.030	≤0.030
S55C	0.52-0.58	0.65-0.80	0.18-0.37	≤0.030	≤0.030

Q235B Flat Bulb Steel Compared grades(based on usage)

Chinese	American	German	Japanese
GB	AISI	DIN	JIS
45#	1045	1.1191	S45C

Specification of Q235B Flat Bulb Steel

Steel Name: Bulb flat steel, Ball flat steel, Flat Bulb steel
Main steel grades: S355 JR, Q345B, St52-3, S235JR,A283 Grade C,A36,
St37-2,Q235B,SS400,A,B,AH32,AH36
Steel standard: EN 10067:1997,GB/T9945-2001
Rolling range: HP80*5--HP432*20,Length 6000 mm-13000 mm
Surface Treatment: Hot rolled and Coated or Shot blasting and painting

We have our own processing factory and the pre- treatment factory, pre-treatment for shipbuilding steel (ball blasting , painting).Surface pretreatment line technical parameters on steel plates and profile steel. And we can also make the customers enjoy our other pre-treatment services, like cutting, welding, drilling holes, galvanizing by the lowest cost price. we are a professional Q235B Flat Bulb Steel stockist and supplier. We can supply different product type and grades of Q235B, If there have any kinds of steel is want you wanted ,please contact us byinfo@katalor.com, we will reply you quickly.

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