GB/T 37357-2019Cast iron pipes, fittings and accessories for rain drainage of building roof (English PDF)

1 Scope

This standard specifies the terms and definitions, classification and model, size, shape and weight of cast iron pipes, fittings and accessories for building roof rainwater drainage.

And allowable deviations, technical requirements, test methods, inspection rules, packaging, marking, quality certificates, transportation and storage.

This standard is applicable to cast iron pipes, fittings and accessories for rainwater drainage of building roofs. It is also applicable to construction sewage drainage, wastewater drainage and casting.

Cast iron pipes, fittings and accessories for the drainage of industrial pipes without corrosive iron pipes.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 12 round head square neck bolt

GB/T 223.59 Determination of phosphorus content of steels and alloys - phosphine molybdenum blue spectrophotometric method and bismuth phosphomolybdenum blue spectrophotometric method

GB/T 223.68 Steel and alloy chemical analysis method - Determination of sulfur content by potassium iodate titration after combustion in tubular furnace

GB/T 223.72 Determination of sulfur content of steel and alloys - Gravimetric method

GB/T 228.1 tensile testing of metallic materials - Part 1

GB/T 231.1 Brinell hardness test for metallic materials - Part 1. Test methods

GB/T 528 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber

GB/T 1690 vulcanized rubber or thermoplastic rubber liquid test method

GB/T 3098.1 Fastener mechanical properties bolts, screws and studs

GB/T 3098.6 Mechanical properties of fasteners Stainless steel bolts, screws and studs

GB/T 3512 vulcanized rubber or thermoplastic rubber hot air accelerated aging and heat test

GB/T 4336 Determination of multi-element content of carbon steel and medium-low alloy steels by spark discharge atomic emission spectrometry (conventional method)

GB/T 5782 Hex Head Bolt

GB/T 6031 Determination of hardness of vulcanized rubber or thermoplastic rubber (10IRHD~100IRHD)

Rubber and rubber -- Determination of compression set - Part 1 . normal temperature and temperature conditions

Rubber and rubber products -- Determination of compression set - Part 2. Under low temperature conditions

Static tensile test of GB/T 7762 vulcanized rubber or thermoplastic rubber resistant to ozone cracking

GB/T 9439 gray iron castings

GB/T 9799-2011 Metallic and other inorganic coatings of treated zinc plating on steel

GB/T 10044 cast iron welding rod and welding wire

GB/T 12772-2016 Flexible interface cast iron pipe, fittings and accessories for drainage

GB/T 13295-2013 Ductile iron pipes, fittings and accessories for water and gas

GB/T 13452.2-2008 Determination of film thickness of paints and varnishes

GB/T 16776 silicone structural sealant for construction

GB/T 18593 Anti-corrosion coating of fusion bonded epoxy powder coating

GB/T 20878 Stainless steel and heat resistant steel grades and chemical composition

GB/T 26081-2010 Ductile iron pipes, fittings and accessories for sewage […]