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無(wu)縫鋼管(guan)(guan)表示方法為外徑，壁(bi)厚，厚壁(bi)無(wu)縫鋼管(guan)(guan)主要用于(yu)機械(xie)加工(gong)，煤礦，液(ye)壓(ya)鋼等多(duo)種用途。厚壁(bi)無(wu)縫鋼管(guan)(guan)的材質分為10#、20#、35#、45#、20Cr、40Cr、42CrMo、16Mn、27SiMn、12Cr1MoV、10CrMo910、15CrMo、35CrMo等。

厚壁無縫管(guan)生產分冷拔和熱軋，材(cai)質分為(wei)普(pu)通管(guan)，合(he)金管(guan)。按照(zhao)用(yong)途(tu)分為(wei)結構(gou)用(yong)無縫鋼管(guan)；

輸送用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；鍋(guo)爐用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；鍋(guo)爐用(yong)高(gao)壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；化肥設備用(yong)高(gao)壓(ya)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；地質磚(zhuan)探(tan)(tan)用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；石(shi)油磚(zhuan)探(tan)(tan)用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；石(shi)油裂化用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；船舶用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；冷拔冷軋精(jing)密無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)鋼(gang)(gang)管(guan)(guan)(guan)(guan)；各(ge)種合金管(guan)(guan)(guan)(guan)。

厚(hou)(hou)壁無(wu)縫(feng)鋼管(guan)分類(lei)——熱軋厚(hou)(hou)壁無(wu)縫(feng)鋼管(guan)、冷(leng)軋厚(hou)(hou)壁無(wu)縫(feng)鋼管(guan)、冷(leng)拔厚(hou)(hou)壁無(wu)縫(feng)鋼管(guan)、擠(ji)壓厚(hou)(hou)壁無(wu)縫(feng)鋼管(guan)、頂管(guan)

鋼管重量計算公式:

[(外徑-壁厚)*壁厚]*0.02466=kg/米(mi)(每米(mi)的重量)

厚壁無縫管不銹(xiu)鋼理論(lun)重量計算公式：（外徑-壁厚）×壁厚×0.02491=KG/M（每米(mi)的重量）

厚壁無縫管合金(jin)鋼理論重量(liang)計(ji)算公式：（外徑-壁厚）×壁厚×0.02486=KG/M（每米的重量(liang)）