20R STEEL PLATE

Now steel grade 20R is replaced by new grade GB 713 Q245R.20R,20R steel plate,20R steel sheet is normally used for building pressure vessels in pressure vessel manufacturers’s plants.Our high property 20R steel plate stock in port warehouse ready for shipment.

Technical Requirements & Additional Services for 20R steel plate:
♦ High tension test
♦ Cutting and welding as per end user’s demands
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578

►Mechnical property for 20R Pressure vessel steel plate:

Thickness (mm)
20R	> 3 ≤ 16	> 16 ≤ 36	> 36 ≤ 60	>60 ≤ 100	>100
Yield strength (≥Mpa)	245	235	225	205	185
Tensile strength (Mpa)	400-520			390-510	380-500

►Chemical composition for 20R Pressure vessel steel plate(Heat Analysis Max%)

Main chemical elements composition of 20R steel plate
C	Si	Mn	P	S	Alt (min.)
0.20	0.35	0.50-1.00	0.025	0.015	0.020