ASTM A240 Grade 431 DIN1.4057

Composition of grade 431 stainless steel

Table 1. Composition ranges of grade 431 stainless steels

Grade		C	Mn	Si	P	S	Cr	Ni
431	min. max.	- 0.20	- 1	- 1	- 0.04	- 0.03	15 17	1.25 2.50

 

Mechanical Properties of grade 431 stainless steel

Table 2. Mechanical properties of grade 431 stainless steels

Tempering Temperature (°C)	Tensile Strength (MPa)	Yield Strength 0.2% Proof (MPa)	Elongation (% in 50mm)	Hardness Brinell (HB)	Impact Charpy V (J)
Annealed *	862	655	20	285 max	-
204	1345	1055	20	388	50
316	1295	1035	19	375	53
427	1350	1080	19	388	#
538	1140	965	19	321	#
593	1015	770	20	293	64

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.