ASTM / ASTM A / SA 387 – Test Certs

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A387 grade 12 pressure vessel quality plate

We sell the best quality chrome moly steel. On this page we have summarised several sample test certificates for A387 grades 5, 11 and 22. Sample MTC's are available on request to help you ensure that you get the right quality steel for your project.

A 387 Gr. 5 – Product Descriptions:

Material	Length (mm)	Width (mm)	Thickness (mm)	Plate	Heat	Sample Test
A 387 Gr. 5	12000	2500	30.00	Plate 1	Heat A	Sample P
						Sample Q
						Sample R
				Plate 2	Heat B	Sample X
						Sample Y
						Sample Z

Hot Tensile Test

Material	Sample Test	Temp (°C)	Heat	Rp0.2% N/mm2	ReH/YS N/mm2	Rm/UTS N/mm2	A 50 %	A 5 %	%Ra %
A 387 Gr. 5	Sample P	20 °C	Heat A	508	521	617	26	22	61
	Sample Q	20 °C	Heat A		521	619		24
	Sample R	400 °C	Heat A	385
	Sample X	20 °C	Heat B	557	564	670	25	21	55
	Sample Y	20 °C	Heat B		542	631		23
	Sample Z	400 °C	Heat B	452

Impact Test

Material	Sample Test	Temp (°C)	Heat	Transverse of Charpy V Notch Test
				Test 1	Test 2	Test 3	Test 4
A 387 Gr. 5	Sample P	20 °C	Heat A	281	287	306	291
	Sample Q	20 °C	Heat A	291	272	300	290
	Sample X	20 °C	Heat B	340	366	338	348
	Sample Y	20 °C	Heat B	295	299	296	297

Chemical Analysis

Heat	C	Mn	P	S	Si	Cu
Heat A	0.106	0.323	0.008	0.0011	0.315	0.035
Heat B	0.096	0.381	0.008	0.0011	0.319	0.049

Heat	Ni	Cr	Mo	Al	Nb	V	Ti
Heat A	0.055	4.559	0.455	0.043	0.003	0.005	0.003
Heat B	0.083	4.601	0.466	0.043	0.003	0.008	0.002

A 387 Gr. 11 – Product Descriptions:

Material	Length (mm)	Width (mm)	Thickness (mm)	Plate	Heat	Sample Test
A 387 Gr. 11	14000	3000	8.00	Plate 3	Heat C	Plate 3
	12000	2000	6.00	Plate 4	Heat C	Plate 4
	11500	2000	6.00	Plate 5	Heat C	Plate 5
	11000	2000	6.00	Plate 6	Heat C	Plate 6
	12500	2500	12.00	Plate 7	Heat C	Plate 7

Hot Tensile Test

Material	Sample Test	Temp (°C)	Heat	Rp0.2% N/mm2 >18G	Rp0.2% N/mm2 >310	Rm N/mm2 515-690	8 in % >18
A 387 Gr. 11	Plate 3	+400°C	Heat C	280	480	606	19
	Plate 4	+400°C	Heat C		497	609	19
	Plate 5	+400°C	Heat C		494	589	20
	Plate 6	+400°C	Heat C		486	602	19
	Plate 7	+400°C	Heat C		437	570	21
		+400°C	Heat C

Chemical Analysis

Heat	C % 0.05-0.17	Mn % 0.40-0.65	P <0.035	S <0.035	Si % 0.50-0.80	Cu % <0.40
Heat C	0.16	0.54	0.012	0.001	0.61	0.06

Heat	Ni % <0.40	Cr % 1.00-1.50	Mo %0.45-0.65	Al %	Nb % <0.02	V % <0.03	Ti % <0.03
Heat C	0.06	1.16	0.49	0.038	0.00	0.01	0.01

A 387 Gr. 22 – Product Descriptions:

Material	Length (mm)	Width (mm)	Thickness (mm)	Plate	Heat	Sample Test
A 387 Gr. 22	12000	3000	40.00	Plate 8	Heat D	Sample L
						Sample M
						Sample N
				Plate 9		Sample E
						Sample F
						Sample J

Hot Tensile Test

Material	Sample Test	Temp (°C)	Heat	Rp0.2% MPa	ReH/YS MPa	Rm/UTS MPa	A 50 %	A 5 %	%Ra %
A 387 Gr. 22	Sample L	20 °C	19953	398	409	543	25.0	21.0	58.0
	Sample M	20 °C			410	555		24.0
	Sample N	400 °C		293
	Sample E	20 °C		387	391	539	32.0	29.0	58.0
	Sample F	20 °C			402	551		28.0
	Sample J	400 °C		306

Impact Test

Material	Sample Test	Temp (°C)	Heat	Transverse of Charpy V Notch Test
				Test 1	Test 2	Test 3	Test 4
A 387 Gr. 22	Sample L	20 °C	Heat D	224	208	219	217
	Sample M	20 °C		199	220	204	208
	Sample E	20 °C		216	233	235	228
	Sample F	20 °C		242	218	211	224

Chemical Analysis

Heat	C	Mn	P	S	Si	Cu
19953	0.140	0.514	0.005	0.0015	0.062	0.061

Heat	Ni	Cr	Mo	Al	Nb	V	Ti	N
19953	0.100	2.367	0.905	0.027	0.002	0.003	0.002	0.0074

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