��(c��)�bʽƫ�İ��y

��Ҫ��PBQ340�͂�(c��)�bʽƫ�İ��y�Y(ji��)��(g��u)�O(sh��)Ӌ��ƫ��Ӳ�ܷ��y��в��p�㡢�_��^�̟oĥ��й©��L�ȃ�(y��u)�c��

�a(ch��n)Ʒ��̖�� PBQ340��

��ٷ���(c��)�bʽƫ�İ��y

��r�g��2018-08-15

�S��|(zh��)��a(ch��n)�S��

(li��n)ϵ�҂��ԃ�r

Ԕ��B

��(c��)�bʽƫ�İ��y�a(ch��n)Ʒ��

һ��ܷ⸱��yо��y��——�p��F(xi��n)��h(hu��n)��Ӳ�ܷ��

��ܷ��o��yо��y��ܷ��澀��|��Sƫ�Č��F(xi��n)��й©��

��ܷ⸱��yо��a��y�Tʹ��^�L�r�g�l(f��)�F(xi��n)�ܷ⸱ĥ�p�r��ֻ��Ʉ��݆��(c��)��λ��˨��P(gu��n)�]�r��D(zhu��n)��S��ԿɌ��F(xi��n)�ɿ��ܷ��Lʹ�É��

��Ɍ��o�הQ��{(di��o)��Q�y��y�T�Կ��^�m(x��)ʹ��ˬF(xi��n)�б��y�T�ܷ�ʧЧ��_��U�ı׶ˡ�

�ҹ�˾��y�a(ch��n)Ʒ��;�֞飺ͨ��y��ܾ��y��ϝ{�y��ȼ��y��ʯ�ͻ��y��ú�ۇ��y��ϵ��ӷ�ʽ��ք��늄��N��˂��ȼ��PN0.25��10.0Mpa��(sh��)�ق�Ҏ(gu��)��40��1000��İ��y�a(ch��n)Ʒ��ʯ��ұ��ȼ��ИI(y��)��l�y��ֹ�y��Y��y��y�ĸ��?li��n)Q��a(ch��n)Ʒ��Ŀǰ��F�ИI(y��)��ú�ۇ��X�ИI(y��)�ĵV�{��ĸҺ��X��ݔ��ИI(y��)��ˮ��ɣ��ʯ��ИI(y��)��ȼ��ИI(y��)�Ȉ��

�ҹ�˾�ѽ��Ƶ��ǰ��ۺ��(w��)�wϵ��ڱ��C�a(ch��n)Ʒ�|(zh��)��ǰ��͌��ķ��(w��)���ҹ�˾ȫ�w�T��Ը��ͬŬ��\��Ñ��(w��)��
��(c��)�bʽƫ�İ��y�a(ch��n)Ʒ��Ҏ(gu��)��:

��ȼ�		��Q��PN��MPa��
��ȼ�		0.25	0.6	1.0	1.6	2.5	4.0	6.4	10.0
��wԇ򞉺��		0.38	0.9	1.5	2.4	3.8	6.0	9.6	15.0
�ܷ�ԇ򞉺��	�߉�Һ�w�ܷ�ԇ�	0.28	0.66	1.1	1.8	2.8	4.4	7.04	11.0
�ܷ�ԇ򞉺��	�͉��w�ܷ�ԇ�	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
�m�ù��r	�m�ý��\|(zh��)	Ҋ“��ИI(y��)�m�÷��”
	�m�Üض�	≤425��
	�(q��)�ӷ�ʽ	�քӣ�3��늄ӣ�9��ӣ�6��
	��Qͨ��	DN40��1000mm
�m��Ҏ(gu��)��	�O(sh��)Ӌ��	GB12237-89
	�Y(ji��)��(g��u)�L��	GB12221-89
	��m�ߴ�	GB9113-2000��Ҳ�ɰ��Ñ�Ҫ��API 6D-94
	�z�ԇ�

JB/T9092-99��GB/T13927-92

��(c��)�bʽƫ�İ��y��ИI(y��)�m�÷��

ͨ��y:�O(sh��)Ӌ��Y(ji��)��(g��u)�o��ͨ��С��ܷ��Ժ��p��`��؄e�m��(y��ng)ˮ��ˮ��{�Ƚ��|(zh��)�ĵ͉��ܾW(w��ng)��܉��늄��b��Ɍ��F(xi��n)�h��x�Ԅӻ��ˮ��ˮ��{��{�ȷǸ��g��|(zh��)��

ú�ۇ���Á��ƺ��m��w��w��w��ú�ۇ��ȹ��wݔ�͵��O(sh��)��V��(y��ng)��ұ��x�V��a(ch��n)��ˇ�иߠtú�ۇ��Ʒ�ϵ�y(t��ng)�Լ��mϵ�y(t��ng)�еĸ��N�ܾ��ֱͨʽ�Y(ji��)��(g��u)��ͨ��F(xi��n)�e�Ҷ��F(xi��n)��ܷ⸱��Co��Cr��W�Ͻ��|(zh��)��(j��ng)�^��̎��y�T��_ˢ��ĥ�p��ͬ�r�y�Tƫ��Ԅ��a��?sh��)��ͨ�^΁݆��{(di��o)��(ji��)��˨��ʹ�ܷ⸱��һ��̶�ĥ�p��r��Կ��_��ܷ��Ч��m��w��w��w��

ʯ�ͻ����ᘌ�ʯ�ͻ��ИI(y��)ʹ�É��ضȸ��M��ȼ��ױ��һ��A�׸��g�Ľ��|(zh��)��ܷ��Ժ��͸��g��]�p��܉��Ԅ��г��y��Y(ji��)��c��m��ԭ�͡��͵Ƚ��|(zh��)ݔ��Լ�ʯ��ѽ��ʳƷ��ȹ�ˇ��ʯ��Ȼ�⡢ú��ˮ�ȣ�

�ߠtú��ȼ�⣺�ܷ⸱��Cr—Mn—SiӲ�|(zh��)�Ͻ��ͻ��o늣��ܷ⸱��ߜ�560��俹��g�Ϳ�ҧ��ǲ��P��ܷ⸱��6��ϣ��؄e�m��ú��tú��ˮú��Һ��Ȼ��Ĺܵ�ݔ��c�Ӊ��Tվ��ʹ��ߠtú��Ȼ�⡢��m��w�ȣ�

�ϝ{��w:ݔ��׳��Y(ji��)��Y(ji��)��Һ�V�{��ϝ{��ȹ�ˇ��Ѓ��w��|(zh��)�Ĺ�ˇ�y�T��܉��P(gu��n)�]�r�Ƴ��Y(ji��)��ϵK��F(xi��n)��P(gu��n)�]��Y(ji��)��(g��u)�·f��O(sh��)Ӌ*��и�Ч��(ji��)��ĥ�Ժá��ܷ�ɿ��p��]Ѹ��L�ȃ�(y��u)�c��ˇ�{Һ��ϝ{��Ⱥ��w��|(zh��)ݔ�ͣ�

�ܾ�:��ֱͨʽ��y��o�s��y�wͨ��c�ܾ��B�ӵĹܵ��ֱ��ͨ��e��С�ڿs��ȫ�_��ȫ�]ֻҪ�D(zhu��n)��90�ȼ��_��L��x�ܾ�ݔ�Ϳ��ú�ۇ��ȼ��ݔ�ͣ� ��
��(c��)�bʽƫ�İ��yӆ؛�f��
1.��y�a(ch��n)Ʒ��Q��
2.��y�a(ch��n)Ʒ��̖��
3.��y�a(ch��n)Ʒ��
4.��y�a(ch��n)Ʒ��|(zh��)��
5.��y�a(ch��n)Ʒ�ض��
6.��yʹ�ý��|(zh��)
7.��Ҫ��rՈ��ӆُ�a(ch��n)Ʒ�rע��
8.��ѽ�(j��ng)��O(sh��)Ӌ��λ�x��̖��Ո��ֱ̖��˾�N�۲�ӆُ��
9.��ʹ�õĈ��Ϸǳ��Ҫ��h(hu��n)��^��s�r,Ո��M��ṩ�O(sh��)Ӌ�D��

��ԃ�r