P91热轧无缝钢管的TMCP模拟

王晓东,郭锋,包喜荣,王宝峰

TMCP Simulation for Hot Rolling of P91 Seamless Steel Pipe

Xiaodong WANG,Feng GUO,Xirong BAO,Baofeng WANG

表2 P91钢管TMCP穿孔＋PQF连轧+定径模拟工艺参数

Table 2 TMCP parameters of piercing, PQF continuous rolling and sizing of P91 pipe

Pass	Equivalent strain	Temperature /℃	Strain rate /s^-1	Interval time/s
Heating	-	1290	-	-
Piercing	1.303	1250	2	50
PQF1	0.153	1125	3	0.853
PQF2	0.15	1112	4	1.004
PQF3	0.104	1098	4	0.678
PQF4	0.056	1088	3	0.645
PQF5	0.012	1080	2	50
Sizing1	0.019	1040	2	2
Sizing 2	0.015	1036	2	2
Sizing 3	0.016	1025	2	2
Sizing 4	0.015	1018	2	2
Sizing 5	0.015	1004	2	2
Sizing 6	0.008	996	2	2
Sizing 7	0.008	990	2	-