420 Stainless Steel Round Bar can be categorically said that steel bars are one of the core components of any manufacturing industry or for that matter any industry that relies on machineries. versatile applications in automotive, textile, fabrication, construction, cement, ship building, paper and pulp, defence, heavy earth moving equipments or aerospace.

S42000 Stainless Round Bar

ASTM A276 420 Stainless Steel Round, Bright, Hex, Threaded Bar Chemical Composition

The chemical composition of grade Stainless Steel 420 Round Bar is outlined in the following table

Grade		C	Mn	Si	P	S	Cr	Ni
420	min. max.	- 0.15	- 1	- 1	- 0.04	- 0.03	11.5 13.5	0.75

A276 420 Round Bar Mechanical and Physical Properties

The mechanical properties of grade A276 420 Round Bar are displayed in the following table.

Tempering Temperature (°C)	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50 mm)	Hardness Brinell (HB)	Impact Charpy V (J)
Annealed *	480 min	275 min	16 min	-	-
204	1475	1005	11	400	30
316	1470	961	18	400	36
427	1340	920	18.5	405	#
538	985	730	16	321	#
593	870	675	20	255	39
650	300	270	29.5	225	80

A276 420 Round Bar Physical Properties

Physical properties of 420 grade stainless steel in the annealed condition

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100 °C (J/kg.K) Electrical Resistivity (nΩ.m) 0-100 °C 0-315 °C 0-538 °C at 100 °C at 500 °C 420 7800 200 9.9 11 11.5 24.9 28.7 460 570