REDUCING TEE异径三通ASTM A403 Gr.WP304L ASME B16.9 ¥72.00 90ºELBOW弯头ASTM A403 Gr.WP304L ASME B16.9 ¥80.00 TEE三通 SWE承插焊CL3000 ASTM A182 Gr.F304L ¥10.00 COUPLING管箍二通SWE承插焊CL3000 ASTM A105标准ASME B16.11 ¥45.00 90° ELBOW弯头SWE承插焊CL3000 ASTM A182 Gr. F304 ¥55.00 THD 90° ELBOW螺纹弯头FTE内螺纹CL2000 ASTM A105 GALV ¥14.00