L245NO螺旋焊管海鼎合金管 377*10

L245NO螺旋焊管

常用钢管介绍-钢塑复合管、大口径无缝钢管钢塑复合管以热浸镀锌钢管作基体，经粉末熔融喷涂技术在内壁（需要时外壁亦可）涂敷塑料而成，性能优异。与镀锌管相比，具有抗腐蚀、不生锈、不积垢、光滑流畅、清洁，使用寿命长等优点。据测试，钢塑复合管的使用寿命为镀锌管的三倍以上。与塑料管相比，具有机械强度高，耐压、耐热性好等优点。由于基体是钢管，所以不存在脆化、老化问题。可广泛应用于自来水、煤气、化工产品等流体输送及取暖工程，是镀锌管的升级换代产品。

山东海鼎钢管有限公司库存产品涵盖ASTM及GB标准。

库存产品规格范围从1/4” 至26” (13毫米至660毫米) ，壁厚可高达30毫米。

大部分的库存是TPCO产品，其余部分库存产品是来自于（包钢、宝钢、成都、衡阳）具有价格竞争优势的，质量有保障的制造商的产品。

normal style='FONT-SIZE: 14px; FONT-FAMILY: "sans serif", tahoma, verdana, helvetica; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; TEXT-ALIGN: justify; ORPHANS: 2; WIDOWS: 2; MARGIN: 0cm 0cm 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; -ms-word-wrap: break-word' background-color:#ffffff;?="">产品名称：管线管

normal style='FONT-SIZE: 14px; FONT-FAMILY: "sans serif", tahoma, verdana, helvetica; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN: 0cm 0cm 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; -ms-word-wrap: break-word' align=left background-color:#ffffff;line-height:15pt;?="">尺寸公差:

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">钢管种类

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">钢管外径（D）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">钢管壁厚（S）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">管体

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">钢管外径 (mm)

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">允许偏差(mm)

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">钢管外径(mm)

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥60.3且S＜20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">±0.75％

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤73.0

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">＋15％，－12.5％

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥60.3且S≥20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">±1.00％

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">＞73.0且S＜20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">＞73.0且S≥20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">＋17.5％，－10

normal style='FONT-SIZE: 14px; FONT-FAMILY: "sans serif", tahoma, verdana, helvetica; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN: 0cm 0cm 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; -ms-word-wrap: break-word' align=left background-color:#ffffff;line-height:15pt;?="">力学性能：

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">标准

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">牌号

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">抗拉强度（MPa）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">屈服强度（MPa）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">屈强比

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">伸长率（％）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">0℃冲击功

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">Akv（J）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">热处理状态

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">API SPEC 5L

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">GB/T9711.2

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">B

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥415

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">245～440

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.80

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">22

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥40

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">正火

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X42

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥415

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">290～440

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.80

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">21

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥40

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">正火

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X52

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥460

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">360～510

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.85

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X60

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥520

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">415～565

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.85

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">18

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X65

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥535

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">450～570

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.90

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">18

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">淬火＋回火

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X70

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≥570

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">485～605

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.90

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">淬火＋回火

normal style='FONT-SIZE: 14px; FONT-FAMILY: "sans serif", tahoma, verdana, helvetica; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN: 0cm 0cm 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; -ms-word-wrap: break-word' align=left background-color:#ffffff;line-height:15pt;?="">化学成分:

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">标准

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">牌号

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">化学成分（％）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">CEV（％）

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">C

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">Si

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">Mn

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">P

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">S

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">V

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">Nb

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">Ti

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">GB/T9711.2

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.16

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.40

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤1.10

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.020

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.010

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">－

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.42

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X42

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.17

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤1.20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.05

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.04

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.20

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.45

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤1.60

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.10

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.45

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X60

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.21

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.15

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">协议

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤0.06

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">X70

normal style="FONT-SIZE: 10.5pt; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; -ms-word-wrap: break-word" align=center line-height:15pt;?="">≤1.70

normal style='FONT-SIZE: 14px; FONT-FAMILY: "sans serif", tahoma, verdana, helvetica; WHITE-SPACE: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; FONT-WEIGHT: 400; COLOR: rgb(0,0,0); FONT-STYLE: normal; ORPHANS: 2; WIDOWS: 2; MARGIN: 0cm 0cm 0pt; LETTER-SPACING: normal; TEXT-INDENT: 0px; font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial; -ms-word-wrap: break-word' align=left background-color:#ffffff;line-height:15pt;?="">注：1．0.015％≤Altot＜0.06％；N≤0.012％；Al/N≥2/1；Cu≤0.25％；Ni≤0.30％；Cr≤0.30％；Mo≤0.10％2．V＋Nb＋Ti≤0.153．X60、X65、X70经协商Mo≤0.35％

ASTM （碳钢钢管）

无缝管 Grade B ASTM A106/A53/API5L无缝碳钢低温管 A333 Gr6碳钢无缝管 API X52

太重(天津)滨海重型机械有限公司首座具有完全自主知识产权的400英尺自升式钻井平台——“TZ301-1”，日前在天津临港基地起运，将发往墨西哥湾进行作业服务。该钻井平台应用了衡钢无缝钢管生产的X80Q海洋桩腿支撑管。海洋钻井平台“服役”环境恶劣，作为平台支撑部件的海洋桩腿支撑管，需要具备优良的低温韧性、焊接性能、疲劳性能和抗腐蚀性能。衡钢无缝钢管凭借技术、营销、装备和生产的综合优势，采用微合金化设计、洁净钢冶炼、高精度轧管工艺、高水平热处理工艺以及严格的无缝钢管质量管控等措施，成功研发X80Q海洋桩腿支撑管新产品，并实现该系列产品小批量试订单到规模化大生产的推进。近年来，衡钢无缝钢管不断强化技术创新，自主研发了海洋桩腿支撑管、海洋钻井隔水管、海洋桩腿主（半）弦管、海洋高压泥浆输送管等一系列海洋工程用管，无缝钢管质量达到先进水平，为推动我国高端海洋装备国产化作出了积极贡献。

GB/T (Seamless) 标准

结构管 GB/T8162 10#、20#、35#、45#、Q345、20Mn3、40Mn3、20Cr、30Cr、25CrMo、35CrMo流体管 GB/T8163 20#、Q295、Q345低中压锅炉管 GB3087高压锅炉管GB 5310高压气瓶管GB18248 Q/TGGB05液压支柱管GB/T17396 Carbon steel, Alloy Steel石油裂化管 GB9948 ASME AS213

L245NO螺旋焊管

在管段内相邻水流单元体的交界面设一指针(批指针由个水力事件的发生产生于各水源节点)，每一个指针指示其后一个水流单元体的各种水力参数，并包含以下四个基本的字段(在下面的沦述中，将根据程序的需要，进一步完善和细化各系统实体，包括水流单元体的属性字段)：TC,DT，CC和TA。它们分别表示该指针建立的时间；在管段内距上游节点的距离；所指示水流单元体内当前指标物质的浓度和当前水力条件下该指针到达下游节点的预期时间(即下一个水质事件的预期发生时间)。

主营材质：10#、20#无缝钢管、35#、45#无缝钢管、20G、40Cr、20Gr、16Mn-45Mn、27SiMn、Cr5Mo、12CrMo(T12)、12Cr1MoV、10CrMo910、T91、15CrMo、35CrMo、40CrMo等。公司销售成都钢铁集团、冶钢集团、包头钢厂、宝钢集团、安钢集团。

L245NO螺旋焊管

试验结果表明，原矿经过螺旋溜槽一粗一精选别，可以先获得一部分铁品位为64.35%的重选精矿，其产率为13.7%，铁回收率为24.31％。图1方案1重选试验流程方案1磁选试验对重选尾矿进行弱磁选－强磁选。SLon立环脉动高梯度磁选机具有脱泥效果好、作业精矿品位高、抛尾效果好的优点，能为浮选作业降低药剂消耗和获得高质量的铁精矿创造良好的条件。为此，选择SLon型高梯度强磁机作为强磁选设备。在磁场强度条件试验的基础上，按图2流程进行磁选试验，方案1反浮选试验通过对磁选精矿进行反浮选来获得合格精矿。