Hydraulic tube

Product Description:

Technical specification

Grade	DIN	UNS	SUS	Inox
SS 904L	1.4539	N08904	904L	904L

Specifications

Standards	ASTM, ASME
Designation	B 677, SB 677
Grade	904L Pipes & Tubes 904L Seamless Pipes & Tubes: ASTM B677, ASME SB677

STANDARD	UNS	WERKSTOFF NR.	EN	BS	JIS	AFNOR
904L	N08904	1.4539	X1NiCrMoCu25-20-5	904S13	Z2 NCDU 25-20

Mechanical properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B)	Brinell (HB)
904L	490	220	35	70-90 typical
Rockwell Hardness value range is typical only; other values are specified limits.

Mechanical properties

Grade	Density(kg/m3)	Elastic Modulus(GPa)	Mean Co-eff of Thermal Expansion (um/m/C)			Thermal Conductivity(W/m.K)		Specific Heat 0-100 C(J/kg.K)	Elec Resistivity(n .m)
			0-100C	0-315C	0-538C	At 20 C	At 500 C
4140	8000	200	15	-	-	13	-	500	850