Specification :

Supply A 203 Grade E, A 203 Grade F steel plate in welded pressure vessels.

A 203 Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding

1. Steel Grade:
A 203 Grade A, A 203 Grade B, A 203 Grade D£¬A 203 Grade E, A 203 Grade F

2. Specification:
Maximum Thickness:
A 203 Grade A , B: 150mm
A 203 Grade D , E , F: 100mm
Width: 1500mm to 4020mm
Length: 3000mm to 18000mm

3. Referenced Documents in producing steel.
A 20/A 20M
A 435/A 435M
A 577/A 577M
A 578/A 578M

4. Heat Treatment
All plates of Grades A, B, D, and E shall be normalized.
All plates of Grade F shall be heat treated by heating into the austenitic range, quenching in water, and tempering at not less than 1100 F [595 C] for not less than half hours.
The steel shall be killed

5. Chemical Composition and property.
A: Chemical detail of each grade see A 203/A 203M-97
B: Property in the following:
Tensile strength : min 450-515Mpa
Yield Strength : min 255-345Mpa
Elongation : 17-21%

6. Mechanical Requirements
Tension Test Requirements£ºit should conform to the requirements of Tensile properties.
Impact Test Requirements:
Grade F plates shall be impact tested ,
Plates of Grades A, B, D, and E shall be Charpy V-notch impact tested 27J.

7. SUPPLEMENTARY REQUIREMENTS
S1. Vacuum Treatment,
S2. Product Analysis,
S3. Simulated Post-Weld Heat Treatment of Mechanical Test Coupons,
S4.1 Additional Tension Test,
S5. Charpy V-Notch Impact Test,
S6. Drop Weight Test,
S7. High-Temperature Tension Test,
S8. Ultrasonic Examination in accordance with Specification A 435/A 435M,
S9. Magnetic Particle Examination,
S11. Ultrasonic Examination in accordance with Specification A 577/A 577M,
S12. Ultrasonic Examination in accordance with Specification A 578/A 578M,
S14. Bend Test
S17. Vacuum Carbon-Deoxidized Steel.

8. Application Fields: This specification2 covers nickel-alloy steel plates intended primarily for welded pressure vessels.

9. Trade Terms: FOB, CFR, CIF , CNF.

10. Payment Terms: T/T, 100% Irrevocable at sight L/C

11. Delivery Time: 30-35days

12. Services of Steel: Cutting, Welding, Painting , Ball blast and others processing according to customers requirement.

We HZZ steel will use our professional services , best quality and competitive price to fullfill each customers needs in steel plate.

Sales Manager : Jack
Skype: luanyawei1983
Email: jack(at)hzzsteel(dot)com
MSN: Luanyawei1983(at)hotmail.com
Phone: 86-13164352098
Tel: 86-371-65652877
Fax: 86-371-65652677