Steel Pipe Knowledge: Seamless Steel Pipe Standard
Steel pipe knowledge: Seamless steel pipe implementation standard Shandong seamless steel pipe plant 1. Seamless steel pipe for structural use: GB8162-2008 2. Pipe for seams used for transporting fluids: GB8163-20083, 3. Seamless steel tubes for boilers of low and medium pressure boiler tubes: GB3087-2008 4. Boiler high pressure seamless pipe: GB5310-2008 (ST45.8-iii type) 5. High pressure seamless steel pipe for chemical fertilizer equipment: GB6479-1999 6. Seamless steel pipe for geological drilling: YB235-70 7. Seamless steel pipe for oil drilling: YB528-65 8. Seamless steel pipe for petroleum cracking: GB9948-88 9. Seamless pipe for petroleum drilling boring: YB691-70 10. Seamless steel pipe for automobile half shaft: GB3088-1999 11. Seamless steel tubes for ships: GB5312-1999 12. Cold drawn precision seamless steel tubes: GB3639-1999 13. Various alloy tubes 16Mn, 27SiMn, 15CrMo, 35CrMo, 12CrMov, 20G, 40Cr, 12Cr1MoV, 15CrMo In addition, GB/T17396-1998 (hot-rolled seamless steel pipe for hydraulic pillars), GB3093-1986 (high pressure seamless steel pipe for diesel engine), GB/T3639-1983 (cold-drawing or cold-rolled precision seamless steel pipe), GB / T3094-1986 (cold-drawn seamless steel pipe shaped steel pipe), GB/T8713-1988 (hydraulic and pneumatic cylinder with precision inner diameter seamless steel pipe), GB13296-1991 (boiler, heat exchanger stainless steel seamless steel pipe), GB/T14975 -1994 (stainless steel seamless pipe for structural use), GB/T14976-1994 (stainless steel seamless pipe for fluid conveying) GB/T5035-1993 (seamless steel pipe for automotive semi-axle casing), API SPEC5CT-1999 (sleeve and tubing) Specification) etc. The quick stacking door has many functions such as heat preservation and cold preservation, insect and wind prevention, dust insulation and sound insulation. Widely used in underground parking lots, industrial plants, food, textiles, electronics, printing and packaging, automotive assembly, precision machinery, logistics and warehousing and other places. Automatic Stacking Doors,High Speed Security Door,Rapid Stacking Folding Door,Automatic Stacking PVC Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfhighspeeddoor.com