1. Material:SA106B, e pili ana i ke kūlana aupuniGB/T8162a i ʻole GBT8163, mea: 20, hoʻohana: structural seamless steel pipe, ʻo ke kūlana ʻAmelika e like me SA106 B, hoʻohana i nā paipu paila haʻahaʻa haʻahaʻa, ʻo ka maʻamau Kelemania e pili ana ʻo DIN1629 , ʻo ke kila kila St44, hoʻohana ʻia no ka hana ʻana i nā paipu, nā ipu. , nā lako, nā hale kila, ʻo G3454 ka maʻamau ʻEulopa, ke kila kila STPG410, hoʻohana ʻia no nā paipu kaomi, HS code ʻo 7304599090.

2. Material: 20G, e like me ke kūlana aupuniGB5310, papa kila,20G, hoʻohana ʻia ma ke ʻano he paipu kila maʻemaʻe ʻole no nā boilers kiʻekiʻe, e like me nā kūlana ʻAmelika:ASTM A106B/C, ASTM A210C, hoʻohanaʻia no nā paipu wai, e like me ke kūlana Germanʻo DIN17175, aʻo ke kila kilaʻo St45 .8. Hoʻohana ʻia ia ma ke ʻano he paipu kila kila ʻole wela. ʻO ka maʻamau ʻEulopa e pili ana ʻo EN10216-2. ʻO ka papa kila he P235GH. Hoʻohana ʻia ʻo ia ma ke ʻano he paipu kaomi. ʻO ka helu HS ʻo 7304599090.

3. Mea Q345, e pili ana i ke kūlana aupuni GB/T8162 a i ʻole GB/T8163, ke kila kila.Q345, i hoʻohanaʻia no nā paipu kila maʻemaʻeʻole, e pili ana i ka American standard A519, steel grade 1524, hoʻohanaʻia no ka mechanical seamless carbon steel pipes, e pili ana me Germany ʻO DIN1629 ka maʻamau,ʻo St52 ke kila kila, a hoʻohanaʻia no ka hanaʻana i nā paipu, nā ipu. , nā mea hana, nā hale kila, a me nā mea'ē aʻeEN10210-1, ke kila kilaS355JOH/S355J2H, hoʻohana ʻia ia no nā paipu hana, a ʻo ka code customs HS ʻo 7304599090.

E ʻoluʻolu e nānā i mua i ka pukana e hiki mai ana no nā maʻamau a me nā hoʻohālikelike hou aʻe...