Unit Price: | USD 1000 / Metric Ton |
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Min. Order: | 5 Metric Ton |
Place Of Origin: China
Transportation: Express
S20A Steel Round Bar
S20A steel material is one kind of quality carbon steel for military aeroapace. S20A steel material is one kind of military aircraft material. This material we supply is usually turned or peeled steel bar, turned steel bar, peeled steel bar, polished steel bar and centreless ground bar to guarantee the surface quality. We produce Hot Rolled Steel Round Bar, Cold Drawn Steel Bar, Annealed Steel Round Bar and Bright Steel Round Bar. S20A Steel Round Bar specification is as below:
1. S20A steel round bar smelting method: EAF/LF+REF+Continous Casting/Die Casting
2. S20A steel round bar chemical composition:
C SI MN S P CR NI CU AL 0.16-0.22 0.10 MAX 0.25-0.50 0.025 MAX 0.020 MAX 0.20 MAX 0.20 MAX 0.20 MAX 0.03-0.08
3. S20A steel round bar mechanical properties:
Tensile Strength Elongation AKV 375MPa - 540MPa 28% min 141J min
4. Qualified level of etch test defect:
Scatter-ed Porosit Grade
Center Unsoundness Grade
Pattern Segregation
Center Segregation Grade
2.0 max 2.0 max
2.0 max
2.0 max
5. Ghost line standard:
Items Numbers&Length Total numbers on each specimen 8 Max length on each specimen
8mm Total length on each specimen
40mm Total numbers on each stage
4 Total length on each stage
15mm
6. Non-metallic inclusions
A B C D T H T H T H T H 2.0 max 2.0 max 2.0 max 2.0 max 1.0 max 1.0 max 1.5max 1.5max
7. Grain Size: 5 to 8
S20A steel round bars mainly have two kinds of delivery condition: S20A hot rolled steel round bar & S20A Cold Drawn Steel Round Bar. This material military application means that the quality is quite important. We will do strict package in delivery to any-rusty and any scratches. Welcome old and new customers to inquire to us if any demands or you are interested in this mateiral.
Product Categories : Hot Rolled Steel Bar > Military Steel Bar
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