史上最难焊接材料之一：殷瓦钢 - 知乎 - 知乎专栏
殷瓦合金(invar，也称为殷钢)，是一种镍铁合金，其成分为镍36%，铁63.8%，碳0.2%，它的热膨胀系数极低，能在很宽的温度范围内保持固定长度。 艾林瓦合金(elinvar)，是一种镍铁铬合 …
NO96 system - GTT
5 天之前 · The primary and secondary membranes are made of Invar®, a 36% nickel-steel alloy, 0.7mm thick. The primary membrane contains the LNG cargo, while the secondary membrane, …
LNG船的Invar钢焊接参数的选择与数值模拟-【维普期刊官网】
摘要 本文首先介绍了LNG船液舱围护系统中Invar钢的化学成分和机械性能，然后在不同焊接参数下对1．5／0．7mm的搭接进行试验，通过对焊缝的检测得到较合理的焊接参数，最后在此参 …
LNG vaporizer, Invar alloy LNG piping including large diameter one as an interconnection piping to an LNG tank is under construction and will be commissioned in August, 2003. This report …
Investigation of cryogenic friction and wear properties of Invar 36 ...
2023年4月15日 · The existing materials for liquefied natural gas (LNG) cryogenic submersible pump bearings are very susceptible to wear and failure in LNG environments where oil …
殷瓦钢 - 国际船舶网
殷瓦钢（ invar， 又称因瓦合金、恒范钢、不变钢、 殷钢 ）是一种镍钢合金，是含镍元素量36%的特殊钢，由于其膨胀系数极小，在极低温度到超过室温的温度范围内都能保持固定长度（这种 …
INVAR®M93, the cryogenic alloy taylor-made for gas transport ... - aperam
Aperam has developed a unique solution for the tanks used to transport liquid natural gas (LNG) by ship. In fact, our INVAR® cryogenic alloy was designed specifically for LNG carrier tanks. …
从沪东中华揽入世界最先进LNG船订单，看史上最难焊接材料——殷瓦钢
lng运输船需要最好最全面殷瓦钢（invar）焊接技术 焊接工人在挑选、考核的程序之严苛，就像选拔特种兵一样，因为LNG核心部位液货舱内壁是由一片片殷瓦钢片焊接组合起来的，最薄处仅 …
A modified form of 36 per cent nickel-iron alloy known as INVAR* M 63 has been used for LNG membrane tanks. It is avail-able as plate, strip, sheet, pipe, tubing, bars, billets, forgings and …
Invar - Wärtsilä
A special material (36% nickel steel) having extremely small coefficient of thermal expansion. Invar is used as the primary and secondary barrier for the Gas Transport LNG containment …