• Special Use：Mechanics
• Application：Mechanics
• Transport Package：Customized
• Trademark：baojia
• Origin：Jiangsu, China

Basic Info.

Special Use Mechanics Application Mechanics Transport Package Customized Trademark baojia Origin Jiangsu, China

Product Description

1.4340 forged square bar
2. Size: 400*500
3. Length up to 10m
4. SEP 1921-84 D/d
5. Six surfaces milled bright surface

6. Straightness: 2mm/m
7. Chemical composition:
C 0.38-0.43 Si 0.15-0.35 Mn 0.60-0.90 P≤ 0.035 S ≤ 0.035 Cr 0.60-0.90 Ni 1.65-2.00 Cu ≤ 0.035 Mo 0.20-0.30
8. Machanical properties:
Tensile strengthσb (MPa): ≥ 980(100)
Yield strength σs (MPa): ≥ 835(85)
Elongation δ 5 (%): ≥
12contraction ψ (%): ≥ 55
ImpactAkv (J): ≥ 78
Hardness: ≤ 269HB