日标方矩管：不得有突出的坚硬物件。土壤的颗粒不得大於2mm，必要时可铺mm厚的砂垫层。C.室内地坪±.以下管道铺设分两端进行，先进行±.以下至基础墙外壁段得铺设，待土建施工结束后，再进行户外连接管的铺设。D.管道铺设前应按设计图纸位置画出小样图，测量实际长度，如现场施工有更改，应有图示纪录。E.同种材质的给水聚管及管配件之间，应采用热熔连接，安装应使用专用热熔工具。埋地管敷设不得采用丝扣和法兰连接.给水聚焊管与金属管件连接，应采用带金属嵌件的聚管件作为过渡.该管件与塑料管采用热熔连接，与金属管件或卫生五金配件采用丝扣连接。
日标矩形管尺寸表：
20x20x2MM (SHS) SQUARE STEEL HOLLOW SECTION (1.12 KG/M)
40x25x2MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (1.83 KG/M)
20x20x2.5MM (SHS) SQUARE STEEL HOLLOW SECTION (1.35 KG/M)
40x25x2.5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (2.23 KG/M)
25x25x2MM (SHS) SQUARE STEEL HOLLOW SECTION (1.43 KG/M)
50x20x2MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (1.96 KG/M)
25x25x2.5MM (SHS) SQUARE STEEL HOLLOW SECTION (1.74 KG/M)
50x25x2.5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (2.62 KG/M)
25x25x3MM (SHS) SQUARE STEEL HOLLOW SECTION (2.04 KG/M)
50x25x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (3.07 KG/M)
30x30x2MM (SHS) SQUARE STEEL HOLLOW SECTION (1.68 KG/M)
50x30x2.5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (2.92 KG/M)
30x30x2.5MM (SHS) SQUARE STEEL HOLLOW SECTION (2.14 KG/M)
50x30x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (3.45 KG/M)
30x30x3MM (SHS) SQUARE STEEL HOLLOW SECTION (2.51 KG/M)
50x40x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (3.77 KG/M)
40x40x2MM (SHS) SQUARE STEEL HOLLOW SECTION (2.31 KG/M)
60x30x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (3.77 KG/M)
日标方矩型管理重表：
80x40x6.3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (12.80 KG/M)
70x70x3MM (SHS) SQUARE STEEL HOLLOW SECTION (6.28 KG/M)
80x50x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (5.66 KG/M)
70x70x3.6MM (SHS) SQUARE STEEL HOLLOW SECTION (7.46 KG/M)
80x50x4MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (7.34 KG/M)
70x70x5MM (SHS) SQUARE STEEL HOLLOW SECTION (10.11 KG/M)
90x50x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (6.13 KG/M)
70x70x6.3MM (SHS) SQUARE STEEL HOLLOW SECTION (12.50 KG/M)
90x50x3.6MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (7.24 KG/M)
70x70x8MM (SHS) SQUARE STEEL HOLLOW SECTION (15.30 KG/M)
90x50x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (9.70 KG/M)
80x80x3MM (SHS) SQUARE STEEL HOLLOW SECTION (7.22 KG/M)
100x50x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (6.60 KG/M)
80x80x3.6MM (SHS) SQUARE STEEL HOLLOW SECTION (8.59 KG/M)
100x50x4MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (8.86 KG/M)
80x80x5MM (SHS) SQUARE STEEL HOLLOW SECTION (11.70 KG/M)
100x50x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (10.90 KG/M)
80x80x6.3MM (SHS) SQUARE STEEL HOLLOW SECTION (14.40 KG/M)
100x50x6.3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (13.40 KG/M)
80x80x8MM (SHS) SQUARE STEEL HOLLOW SECTION (17.80 KG/M)
100x50x8MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (16.60 KG/M)
90x90x3.6MM (SHS) SQUARE STEEL HOLLOW SECTION (9.72 KG/M)
100x60x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (7.22 KG/M)
90x90x5MM (SHS) SQUARE STEEL HOLLOW SECTION (13.30 KG/M)
100x60x3.6MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (8.59 KG/M)
90x90x6.3MM (SHS) SQUARE STEEL HOLLOW SECTION (16.40 KG/M)
100x60x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (11.70 KG/M)
日标方矩管理论重量表：
100x60x6.3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (14.40 KG/M)
100x100x3MM (SHS) SQUARE STEEL HOLLOW SECTION (8.69 KG/M)
100x60x8MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (17.80 KG/M)
100x100x4MM (SHS) SQUARE STEEL HOLLOW SECTION (12.00 KG/M)
120x60x3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (8.01 KG/M)
100x100x5MM (SHS) SQUARE STEEL HOLLOW SECTION (14.80 KG/M)
120x60x3.6MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (9.72 KG/M)
100x100x6.3MM (SHS) SQUARE STEEL HOLLOW SECTION (18.40 KG/M)
120x60x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (13.30 KG/M)
100x100x8MM (SHS) SQUARE STEEL HOLLOW SECTION (22.90 KG/M)
120x60x6.3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (16.40 KG/M)
100x100x10MM (SHS) SQUARE STEEL HOLLOW SECTION (27.90 KG/M)
120x80x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (14.80 KG/M)
120x120x5MM (SHS) SQUARE STEEL HOLLOW SECTION (18.00 KG/M)
120x80x6.3MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (18.40 KG/M)
120x120x6.3MM (SHS) SQUARE STEEL HOLLOW SECTION (22.30 KG/M)
120x80x8MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (22.9 KG/M)
120x120x8MM (SHS) SQUARE STEEL HOLLOW SECTION (27.90 KG/M)
120x80x10MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (27.9 KG/M)
120x120x10MM (SHS) SQUARE STEEL HOLLOW SECTION (34.20 KG/M)
150x75x5MM (RHS) RECTANGULAR STEEL HOLLOW SECTION (16.37 KG/M)
120x120x12.5MM (SHS) SQUARE STEEL HOLLOW SECTION (41.60 KG/M)
日标型钢：
与QCr.5相比，不仅进一步提高了耐热性，而且改善缺口敏感性，其它性能和QCr.5相似，用途同QCr.5。QMn1.5锰青铜；含锰量较QMn5低；与QMn5相比，强度、硬度较低，但塑性较高，其它性能相似。用途同QMn5。QMn5锰青铜；为含锰量较高的锰青铜。有较高的强度、硬度和良好的塑性，能很好地在热态及冷态下承受压力加工，有好的耐蚀性，并有高的热强性，4℃下还能保持其力学性能。用于制作蒸汽机零件和锅炉的各种管接头、蒸汽阀门等高温耐蚀零件。QSi1-3硅青铜；为含锰、镍元素的硅青铜。具有高的强度，相当好的耐磨性，能热处理强化，淬火回火后强度和硬度大大提高，在大气、淡水和海水中有较高的耐蚀性，焊接性和切削性良好。用于制造在3℃以下，润滑不良、单位压力不大的工作条件下的摩擦零件（如发动机排气和进气门的导向套）以及在腐蚀介质中工作的结构零件。QSi3-1硅青铜；为加有锰的硅青铜。有高的强度、弹性和耐磨性，塑性好，低温下仍不变脆；能良好地与青铜、钢和其它合金焊接，特别时钎焊性好；在大气、淡水和海水中的耐蚀性高，对于苛性钠几氯化物的作用也非常稳定；能很好地承受冷、热压力加工，不能热处理强化，通常在退火和加工硬化状态下使用，此时有高地屈服极限和弹性。
