Products

Mukesh steel present our complete scope of tube fittings in 420 composite of stainless steel. Our assembling take after strict quality confirmation framework and aggregate quality administration is streamlined in all techniques and practices to guarantee elevated expectation items. Persistent endeavors are made to continue bringing first rate quality items in the business sector by us for immeasurable supply and fare. the 420 stainless steel tube fittings are great item by different commercial enterprises utilized as a part of oil and gas, marine and synthetic businesses. As a result of its simple establishment and fantastic mechanical properties it is number one decision for tube fittings. there are no obstacles in establishment of our stainless steel tube fittings 420, they are altered according to necessities.

Chemical Composition

Grade	C	Mn	Si	P	S	Cr
420	Min. max.	0.15 -	- 1	- 1	- 0.040	- 0.03	12.0 14.0

Grade

420

Min.

max.

0.15

0.040

0.03

12.0

14.0

Mechanical Properties

Tempering Temperature (°C)	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Brinell (HB)	Impact Charpy V (J)
Annealed *	655	345	25	241 max	-
204	1600	1360	12	444	20
316	1580	1365	14	444	19
427	1620	1420	10	461	#
538	1305	1095	15	375	#
593	1035	810	18	302	22
650	895	680	20	262	42
* Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum. # Tempering of this steel should be avoided in the range 425-600°C

Physical Properties

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of thermal Expansion (m/m/0C)			thermal Conductivity (W/m.K)		Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
Grade	Density (kg/m3)	Elastic Modulus (GPa)	0-1000C	0-3150C	0-5380C	at 1000C	at 5000C	Specific Heat 0-1000C (J/kg.K)	Electrical Resistivity (n.m)
420	7800	200	10.3	10.8	11.7	24.9	-	460	550