struction steel square ingot 17-4 ph stainless steel 1.grade: 630 2.size:s9inch-27inch 3. ... shape:square struction steel square ingot 17-4 ph stainless steel Wuxi Runchang Stainless Steel Material Co.,Ltd is ... .,Ltd. TEL.:86-510-83630918Fax:86-510-83630958Address: Room B 101-106, Building Two, Section Two, Eastern Steel Market, No.118 ...