Buy Hard Chrome Bar / Hard Chrome Plated Rod / Chrome Steel Bar Online At Best Price in Mumbai

Parameter	Standard Specification / Value
Base Material Options	AISI 1045 / C45E, AISI 4140 / 42CrMo4, 20MnV6, ST52 / E355
Chrome Layer Thickness	20 Âµm to 30 Âµm (Standard), up to 50 Âµm (Heavy Duty)
Chrome Layer Hardness	850 - 1150 HV0.1 (65 - 72 HRC)
Surface Roughness (Ra)	Max 0.2 Âµm (Ra 0.10 - 0.20 Âµm standard)
Diameter Tolerance	ISO f7, f8, h7, h8
Straightness Tolerance	Max 0.2 mm / 1000 mm
Corrosion Resistance (Salt Spray)	NSS ISO 9227: 120 hours to 500 hours (Rating 9 - 10)
Base Material Delivery Condition	Cold Drawn, Normalized, Quenched & Tempered (Q+T), or Induction Hardened

Base Grade	Carbon (C)	Manganese (Mn)	Silicon (Si)	Chromium (Cr)	Molybdenum (Mo)
AISI 1045 (C45)	0.42 - 0.50	0.60 - 0.90	0.15 - 0.35	-	-
AISI 4140 (42CrMo4)	0.38 - 0.45	0.60 - 0.90	0.15 - 0.35	0.90 - 1.20	0.15 - 0.30
20MnV6	0.16 - 0.22	1.30 - 1.70	0.10 - 0.50	-	-

Base Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Core Hardness (HB)
AISI 1045 (Normalized / Drawn)	Min 350	600 - 750	Min 14	180 - 230
AISI 4140 (Q+T)	Min 650	850 - 1000	Min 12	260 - 320
20MnV6 (Cold Drawn)	Min 450	600 - 750	Min 12	180 - 230

Parameter	Standard Dimension Range
Diameter Range (Metric)	6 mm to 200 mm
Diameter Range (Imperial)	1/4 inch to 8 inches
Standard Stock Lengths	3000 mm to 7500 mm (or custom cut-to-length)
Surface Finish Types	Hard Chrome Plated, Induction Hardened Chrome Plated, Double Chrome Plated
Induction Hardening Depth	1.0 mm to 3.5 mm (where applicable, surface hardness 54 - 60 HRC)