AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round
AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round - Image 2
AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round - Image 3
AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round - Image 4
AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round - Image 5

AISI/SAE 4340 Chrome Molybdenum Carbon Steel Plate/Round

AISI 4340 Alloy Steel is a heat treatable and low alloy steel containing chromium, nickel and molybdenum. It has high toughness and strength in the heat-treated condition. It is mainly used in power transmission gears and shafts, aircraft landing gear, and other structural parts.

Weixin QR
Weixin
WeChat QR
                    WhatsApp                
SizesRoundDiameters up to 1200mm
Plate/Flat/BlockThickness:6mm-500mm
Width:20mm-1000mm

Equivalent Standards

AISI / SAEDIN / W.NrJISGB
434034CrNiMo6 1.6582
AMS 6359AMS 6454ASTM A331 (4340)ASTM A711SAE J1397 (4340)
AMS 6409ASTM A29 (4340)ASTM A506 (4340)ASTM A752 (4340)SAE J404 (4340)
AMS 6414ASTM A320 (L43)ASTM A519 (4340)ASTM A829SAE J412 (4340)
AMS 6415ASTM A322 (4340)ASTM A646 (4340-7)MIL S-5000

Chemical Composition (%)

Steel GradeCSiMnPSCrMoNi
34CrNiMo60.30-0.38≤ 0.400.50-0.80≤ 0.035≤ 0.0351.30-1.700.15-0.301.30-1.70
1.6582
43400.38-0.430.15-0.350.60-0.80≤ 0.035≤ 0.0400.70-0.900.20-0.301.65-2.00
SNCM4390.36-0.430.15-0.350.60-0.90≤ 0.030≤ 0.0300.60-1.000.15-0.301.60-2.00
40CrNiMoA0.37-0.440.17-0.370.50-0.80≤ 0.030≤ 0.0300.60-0.900.15-0.251.25-1.65

Related products

©2025. DAVINCY (SUZHOU) INDUSTRIAL TECHNOLOGY CO., LTD.. All Rights Reserved.

Sitemap