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Home > News > ASME SA-387/SA-387M steel plates for pressure vessels

ASME SA-387/SA-387M steel plates for pressure vessels

Standard: ASME SA-387/SA-387M
Steel Grade : SA387GR11CL1,SA387GR11CL2, SA387GR22CL1, SA387GR22CL2, SA387GR12CL1, SA387GR12CL2
Dimension range :1.5mm -260mm x 1000mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Product type : Steel plate
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : Available
MTC: Available
Payment Term : T/T or L/C At sight .
Latest price:

Specification :
SA387 in the standard SA-387/SA-387M is a kind of Cr-Mo-alloy steel plates material used to fabric high temperature pressure vessels. SA387 have ten grades or levels. They are : grade 2, grade 12, grade 11, grade 22, grade 22L, grade 21, grade 21L, grade 5 , grade 9 , grade 91. Because of the good property ,SA387GR11CL1,SA387GR11CL2, SA387GR22CL1, SA387GR22CL2, SA387GR12CL1, SA387GR12CL2 are widely used in the high temperature vessels industry.

ASME SA-387/SA-387M steel chemical composition :

Composition		Gr.2	Gr.12	Gr.11	Gr.22	Gr.22L	Gr.21	Gr.21L	Gr.5	Gr.9	Gr.91
Composition		S50460	K11757	K11789	K21590	K21590	K31545	K31545	S50200	K90941	K91560
C	1	0.05~ 0.21	0.05~ 0.17	0.05~ 0.17	0.05~ 0.15	≤0.10	0.05~ 0.15	≤0.10	≤0.15	≤0.15	0.08~ 0.12
C	2	0.04~0.21	0.04~0.17	0.04~0.17	0.04~0.15	≤0.12	0.04~0.15	≤0.12	≤0.15	≤0.15	0.06~0.15
Mn	1	0.55~ 0.80	0.40~ 0.65	0.40~ 0.65	0.30~ 0.60	0.30~ 0.60	0.30~ 0.60	0.30~ 0.60	0.30~ 0.60	0.30~ 0.60	0.30~ 0.60
Mn	2	0.50~ 0.88	0.35~ 0.73	0.35~ 0.73	0.25~ 0.66	0.25~ 0.66	0.25~ 0.66	0.25~ 0.66	0.25~ 0.66	0.25~ 0.66	0.25~ 0.66
P ≤	1	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.030	0.020
P ≤	2	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.030	0.025
S ≤	1	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.030	0.030	0.010
S ≤	2	0.035	0.035	0.035	0.035	0.035	0.035	0.035	0.030	0.030	0.012
Si	1	015~ 0.40	0.15~ 0.40	0.50~ 0.80	≤0.50	≤0.50	≤0.50	≤0.50	≤0.50	≤1.00	0.20~ 0.50
Si	2	0.13~ 0.45	0.13~ 0.45	0.44~ 0.86	≤0.50	≤0.50	≤0.50	≤0.50	≤0.55	≤1.05	0.18~ 0.56
Cr	1	0.50~0.80	0.80~1.15	1.00~1.50	2.00~2.50	2.00~2.50	2.75~3.25	2.75~3.25	4.00~6.00	8.00~10.0	8.00~9.50
Cr	2	0.46~ 0.85	0.74~ 1.21	0.94~ 1.56	1.88~ 2.62	1.88~ 2.62	2.63~ 3.37	2.63~ 3.37	3.90~ 6.10	7.90~ 1.10	7.90~ 9.60
Mo	1	0.45~ 0.60	0.45~ 0.60	0.45~ 0.60	0.90~ 1.10	0.90~ 1.10	0.90~ 1.10	0.90~ 1.10	0.45~ 0.65	0.90~ 1.10	0.85~ 1.05
Mo	2	0.40~ 0.60	0.40~ 0.65	0.40~ 0.70	0.85~ 1.15	0.85~ 1.15	0.85~ 1.15	0.85~ 1.15	0.40~ 0.70	0.85~ 1.15	0.80~ 1.10
Ni	1										≤0.40
Ni	2										≤0.43
V	1									≤0.04	0.18~ 0.25
V	2									≤0.05	0.16~ 0.27
Nb	1										0.06~ 0.10
Nb	2										0.05~ 0.11
N	1										0.03~ 0.07
N	2										0.025~ 0.08
Al	1										≤0.40
Al	2										≤0.50

Note : 1 means Heat analyse ; 2 means Product analyse.

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