Specification :
Supply A 204 Grade A, A 204 Grade B, A 204 Grade C steel plates for welded boilers
A 204 Standard Specification for Pressure Vessel Plates, Alloy Steel, Molybdenum
1. Steel Grade:
A 204 Grade A, A 204 Grade B, A 204 Grade C
2. Specification:
Maximum Thickness:
A 204 Grade A , B: 150mm
A 204 Grade C : 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
Plates 40 mm and under in thickness are normally supplied in the as-rolled condition
Plates over 40 mm in thickness shall be normalized.
The steel shall be killed¡£
5. Chemical Composition and property.
A: Chemical detail of each grade see A 204/A 204M ¨C 03
B: Property in the following:
Tensile strength : min 450-655Mpa
Yield Strength : min 255-295Mpa
Elongation : 20-23%
6. Mechanical Requirements
The steel shall conform to the chemical requirements
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,
S17. Vacuum Carbon-Deoxidized Steel.
8. Application Fields: This specification covers molybdenum-alloy steel plates, intended particularly for welded boilers and other 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