STEEL PLATE ASME SA387/SA387M SA387Gr5

The technical conditions apply to plates of SA387Gr5 with thickness not more than 200mm. (8mm-200mm)

Mechanical properties the mechanical properties of ASME SA387/SA387M SA387Gr5 shall meet the requirement as table 2. Table 2 Mechanical properties Impact properties Impact test in the longitudinal and transverse for plates of SA387Gr5shall meet the requirements per table 3. Table 3 Impact properties Grain size Grain size for plates shall be according to SA387Gr5.

Table 1 Chemical composition (Ladle analysis) % Max

Si	Mn	P	S	Cu	Cr	Ni	Mo	Nb	V	Ti	Als
0.55	0.25-0.66	0.035	0.035		3.90-6.10	0.43	0.40-0.70			0.04

Table 2 Mechanical properties:

Size mm	Mechanical properties				Lateral expansion mm	Hardness test 1/4 T HV
Size mm	Yield strength MPa	Tensile strength MPa	Section shrinkage ratio %	Elongation %	Lateral expansion mm	Hardness test 1/4 T HV
T≤50 50< p=""> <>	Min 205	415-585	min40 (flat) min 40 (round)	Min 22 Min 19	Min	Max

Table 3 Impact properties

Charpy-V Impact Test temp. Celsius degree	Transverse 1/4 Thickness		Longitudinal 1/4 Thickness
		Average impact energy		Average impact energy
	20℃	Min	Min 27 J	Min

Application:
ASME SA387/SA387M steel plate welded boilers and pressure vessels designed for elevated Temp service.