Hoʻokaʻawale ʻia nā paipu seamless i:
1.High pressure fertilizer pipe: 10 20 16Mn GB6479-2000 ∮8-1240*1-200 He kūpono ia no ka kemika
nā mea hana a me nā paipu me ka mahana hana o -40-400 ºC a me ke kaomi hana o 10-32mpa
2.E lawe ana i ka paipu wai: 10#, 20#ASTM A106A,B,C, A53A,B16Mn& Lt;Q345A.BCDE & gt;GB/T8163-2008
ASTM A106ASTM A53 ∮8-1240*1-200 He kūpono no ka lawe ʻana i ka paipu kila maʻamau.
3.General hale paipu: 10#, 20#, 45#, 27SiMnASTM A53A,B16Mn<Q345A, B, C, D, E> GB/T8162-2008
GB/T17396-2009ASTM A53 ∮8-1240*1-200 kūpono no ka hoʻolālā maʻamau, kākoʻo ʻenekinia, hana ʻenehana, etc.
4. Paipai Aila :J55, K55, N80, L80C90, C95, P110 API SPEC 5CTISO11960 ∮60.23-508.00*4.24-16.13 Paipu
hoʻohana ʻia no ka unuhi ʻana i ka ʻaila a i ʻole ke kinoea maoli mai nā pūnāwai aila a me nā paia