Elbow Carbon Steel Nipple Forged Technics , Carbon Steel Socket Weld Fittings Fireproof

npt thread galvanized forged carbon steel pipe fittings socket merchant coupling

Product information

• Strictly control the purchase of raw materials, 100% inspection of the chemical composition and mechanical properties of the materials;
• Blanking material in strict accordance with the standard or drawing check, check mark is complete right. No marking materials shall not be used;
• After first coupling processing thread, using qualified measuring tool measuring the size of the thread, to ensure that conform to the requirements of the standard or drawing for mass production;
• Can NPT, BSPT thread machining, the surface can be roll sand or blasting;
• coupling surface is smooth, without scale. Scratches depth < 5% wall thick, must not have more than 0.5 mm scar, fold, cut, dissection defect. Depth of more than 10% of nominal wall thickness 1.5 mm or greater than mechanical scratches and pits shall be removed.
• Company information

• We mainly produces malleable iron, stainless steel and carbon steel products, such as: steel pipe joint, hexagon head, outside hexagonal tooth coupling, pipe joint, elbow, tee, nuts and other accessories. Professional production and processing company can also according to the requirements of customers design and production of other types of the products.We have professional manufacturers and we really emphasize on product quality. Every single product have passed these steps: angle measurement, dimension measurement, spectrum test, stress test, elongation test,preliminary screening, water pressure and manual detection.
  We have satisfying service: Pre-sale: professional sales managers quickly reply within 24 hours. After-sale: quality/quantity claim is acceptable with A class third party writing test report.

• Standards

  1. AMERICAN STANDARD : ASTM A733

  PIPE: ASTM A733 / ASTM A53/ ASTM

  THREADS: ANST B1.20.1

  2. BRITISH STANDARD : BS EN10241

  PIPE: BS1387

  THREADS: IIS07/1

  3. DIN STANDARD : DIN2982

  PIPE: DIN2440

  THREADS: DIN2999

format for carbon steel pipe fittings socket merchant coupling

Draft for carbon steel pipe fittings socket merchant coupling