... : High Precision Seamless Steel Pipe(2). Brand : Wuxi Meituo Machinery Co., Ltd.( By ourself )(3).Specification:ID 32mm - 1500mm ,with thickness of ... , st52.4 (5) Usage: boiler use, water transport, building, machinery, traffic, aviation, oil development etc.(6) packing : Paint Varnish Coating , Plastic ...