由于钢中元素的固溶强化和无间隙原子的微观结构,这种钢既具有高强度,又具有非常好的冷成型性能,通常用来制作需要深冲压的复杂部件。 5.烘烤硬化钢 bake hardening steels(B) 在低碳钢或 碳钢中保留一定量的固溶碳、氮原子,同时可通过添加磷、锰等固溶强化元素来提高强度。加工成形后,在一定温度下烘烤后,由于时效...
JIS G3444 STK400 ERW welded black steel pipes COMPANY INDRODUCTION-YOUFA STEEL PIPE GROUP Tianjin Youfa Steel Pipe Group Co., Ltd were founded on July 1st, 2000, with the headquarters location at Jinghai District, Tianjin city, China. Youfa is a large-scale steel pipe manufa...
STK400是日标标准JIS G3444-2010的一种碳素结构无缝钢管。 STK400对应国内什么牌号?STK400对应国内什么材质?STK400近似于国标的20#材质,但不完全等同,采购需谨慎。 STK400无缝钢管力学性能: STK400无缝钢管化学成分: 为了您能正常使用网站功能,建议使用一下浏览器: 确定...
JIS G3444表示是日本行业标准号，STK指加热炉用合金钢钢管
Q235B薄壁方管 96*96*8无缝矩形管 抗锈耐腐蚀钢结构工程搭建 ¥ 4.60 新汇力供应20# 电机外壳 液压马达用精密钢管 无缝钢管 高精度无缝管 ¥ 4600.00 供应JIS G3461标准 STB340 STBA12 高压锅炉管 无缝钢管 ¥ 4700.00 scm420圆钢 新汇力 75圆铁 支持定制零切 使用寿命长 ¥ 4.00 机械用...
China factory wholesale JIS G3444 STK400 Tubular Scaffolding Pipes Galvanized Iron Tubepackaging:1. In bulk2. In bundles with steel strips3. Wrapped with water proof plastic package Port Tianjin Port Selling Units: Single item Single package size: 10X10X6 cm Single gross weight: ...
材质: ASTM A106B、ASTM A53 B、API 5L GR B、JIS G3454 STPG370、JIS G3452 SGP、JIS G3444 STK400无缝钢管、10#、20#、45#、Q235B、Q345B等。日标STK400无缝钢管中STK是碳素结构钢钢管的缩写。我国无对应牌号，可根据使用要求选择国标GB/T8162结构用无缝钢管。#百家快评#STK400为一般结构用碳素钢钢管。S ...
JIS G 3444 stardard scaffolding pipe is in standard scaffolding dimension of OD48.6mm in hot dip galvanized and pre-galvanized steel according to different construction companies. STK400 and STk500 scaffolding pipe is assembly by JIS and KSD standard scaffolding clamps of fixed ...
Application:Hydraulic Pipe;Alloy Or Not:Non-Alloy;Section Shape:ROUND;Special Pipe:Other;Standard:EN;Certificate:ISO9001;Surface Treatment:Cold Rolled;Tolerance:±1%;Processing Service:Cutting;Oiled or Non-oiled:Slightly Oiled;Invoicing:by actual weight;
">JIS G3441机械结构用合金钢钢管JIS G3444-2004一般结构用碳素钢管JIS G3445普通结构用碳素钢钢管JIS G3452(SGP)一般管道用碳碳素钢钢管