表7.0.1-7  PN63  钢制管法兰用材料最大允许工作压力（表压）																					(bar)
法兰材料	工作温度（℃）
类别号	20	50	100	150	200	250	300	350	375	400	425	450	475	500	510	520	530	540	550	575	600
1C1	63.0	63.0	63.0	61.5	59.6	56.8	52.7	50.3	49.0	42.5	35.2	24.5	16.6	10.8	—	—	—	—	—	—	—
1C2	63.0	63.0	63.0	63.0	63.0	63.0	58.7	56.0	53.8	42.5	35.2	24.5	16.6	10.8	—	—	—	—	—	—	—
1C3	63.0	63.0	61.4	59.8	58.1	55.2	51.3	48.9	47.5	40.0	33.4	24.3	16.6	10.8	—	—	—	—	—	—	—
1C4	57.9	56.8	52.7	51.3	49.8	47.4	44.0	42.1	41.5	37.4	31.7	24.0	16.6	10.8	—	—	—	—	—	—	—
1C9	63.0	63.0	63.0	63.0	63.0	63.0	61.2	59.2	58.1	57.1	55.7	54.3	43.2	31.4	26.9	23.8	20.7	17.8	15.6	10.8	7.4
1C10	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	62.5	61.5	60.3	46.0	35.2	31.9	28.3	24.8	21.4	18.8	12.9	8.4
1C13	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	62.7	61.3	59.6	57.3	37.9	26.1	23.2	20.9	18.6	16.4	14.8	10.9	7.6
1C14	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	63.0	55.1	37.3	31.9	28.1	24.3	20.9	18.4	12.8	8.7
2C1	57.9	55.8	47.7	43.4	40.2	37.9	35.8	34.5	34.0	33.3	32.5	31.9	31.4	30.9	30.7	30.5	30.3	29.9	29.0	25.5	20.7
2C2	57.9	56.1	49.2	44.9	41.6	38.9	36.9	35.5	34.9	34.4	34.0	33.7	33.5	33.2	33.0	32.9	32.8	32.7	32.6	30.2	24.4
2C3	48.3	46.6	40.2	36.4	33.5	31.1	29.5	28.1	27.5	27.0	26.5	26.0	—	—	—	—	—	—	—	—	—
2C4	57.9	56.6	51.4	47.8	44.7	42.0	39.8	38.2	37.4	36.8	36.3	36.0	35.6	35.3	35.1	35.0	34.9	34.7	34.4	31.3	24.8
2C5	57.9	56.8	52.6	49.4	46.4	43.9	41.9	40.3	39.7	39.6	39.2	39.0	38.9	38.8	38.8	38.7	38.7	38.3	37.0	32.1	24.3
12EO	56.0	53.2	49.3	46.2	43.4	40.6	38.1	36.4	—	35.0	—	34.2	—	33.3	—	—	—	—	32.2	—	24.1