GB/T5312-1999 Ship with seamless steel pipe (hot-rolled, extruded, flaring) Dimensional tolerance OD(D) ≤159 >159 OD tolerance ±1.0%(minimum ±0.5mm) ±1.25% WT(S) ≤20 S>20 D≥351 WT tolerance +15%,-10%(minimum+0.45mm,-0.30mm) ±10% ±15% Longitudinal mechanical properties Category Grade Tensile strength (MPa) Yield (MPa)≥ Elongationï¼Âˆ%ï¼Â‰≥ Carbon steel and carbon-manganese steel 360 360-480 215 24 410 410-530…

As people is still learning to handle textile recycling and fabric waste Huddersfield specialists are ready to offer some guidance and specialized consultancy. Providing a long list of services, such authorized textile waste merchants Huddersfield located meet the highest expectations in terms of time, costs and project management. In order…

EDM’s, also known as an electronic discharge machine is a computer controlled machine tool that forms parts using sparks or electrical discharges which erode away material rather than carving, drilling, or cutting it. An EDM machine is often referred to according to the specific operation it performs. For example, a…

Cold drawn precision seamless steel pipe matters need attention Cold drawn precision seamless steel pipe characteristics: without oxidation layer inside and outside wall, bear high pressure without leakage, high precision, high finish, cold bending no deformation, flaring flattening without cracks and antirust processing on the surface, mainly used in the…

FFX forming technology molding technology was developed in the late 1990 s. Design personnels, according to more than 10 years practical experience of design, manufacture and use the more than 20 sets of FF forming technology, have set up a total scientific system analysis and reasonable forming theory for the…

In the glass industry, the quality of refractories has great influence on the quality of glass, the energy consumption, service life and the cost. Refractories are the basic materials of glass furnaces, so the selection of refractories is very important. Since the condition and atmosphere are different in different parts,…

I would like to tell you about some interesting moving dollies that are on the market. I have worked in the moving business fo 22 years, so I do have some experience on the subject. First a little history on the dolly. The real name for a dolly is a…

Just thinking how many electrical systems and appliances you take advantage every day, from domestic lightning, computers, televisions, cookers, and music systems. Electricity has indeed clearly become an important part of everyday’s living, most especially for large commercial and industrial enterprises. Just imagine, a call centre companies and other business…

With the advancements in laser engraving technologies, there has been a versatile change in the manner in which these equipments are being utilised. Engraving machines run within a system where laser beams are directed on a surface that can be designed with variety of drawings, writings or simple mark ups.…

Cotton Bale Wire Ties are used to make Cotton Bales for further manufacturing and use. Proper handling, storage, and transportation may prevent the damage of the Cotton Bales. It can also improve the appearance and marketability of the Cotton Bales in the markets. In terms of usage, Gin Universal Density…

Fire accidents are probably the most dangerous calamity that can occur. In recent times, the number of causalities in case of fire accidents has also risen tremendously. Did you know that a majority of people die due to inhalation of toxic gases during a fire? In most cases, the smoke…

Mobile handsets market in India is expected to cross 300 million devices this year while only 46 million are likely to be built locally, says a report. “The domestic market for mobile handsets is expected to cross 300 million devices in 2015, while the number of devices being manufactured locally…

Nitrate cooling precautions of 42CrMo seamless steel pipe. 42CrMo seamless steel pipe belongs to ultra-high strength steel, with high strength and toughness, hardening ability is also good, no obvious temper brittleness, after quenching it's with a higher fatigue limit and anti-repeated shocks ability, good low temperature impact toughness. The steel…

Services are an important part of gas station. Everyone sells the same gas. It is the customer service that makes a gas station truly stand out. It’s all about ‘word of mouth’ promotion here. Customers share their common experiences with friends and family and any negative and positive endorsement can…

Ice makers are really convenient to have especially at home. You can have ice in just a couple of minute or hours and all you need to do is make sure that the machine is turned on. It would be a great help if you have your own ice making…

Iron and steel industry is an important basic industry of the national economy, plays an important role in promoting the industrialization and urbanization process. To implement the Party Central Committee on deepening reform of the overall strategic plan of the market plays a decisive role in the allocation of resources…

Rotary die cutting is good for businesses because it speeds up developers and manufacturers production output. Responsive designs allow rotary dies to mass produce many diverse components that are needed in order to complete complex designs that require high precision. Different types of businesses utilize rotary dies, and the production…

Gasket is a mechanical seal which is used for filling the gap between two mating surfaces. This mechanical seal is generally used for preventing leakage through the joints of an object when it is under compression. Gasket is generally used in machine parts and is made of a variety of…

A winch is crucial for varied purposes in many industrial establishments. A malacate electric is indispensable for installation in a large number of machines to pull, lift or hoist any heavy item. Malacate hidraulico or the hydraulic winch essentially does the same, but its composition and level of strength varies.…

Personalized gifts Presents For Every Age And Budget Still looking for presents for the unique individuals in your life? Personalized gifts presents are the way to go. By including a name, preliminary or initialed or monogrammed to even those most easiest of items, you can change it from something primary…

Plastic technology has evolved during the past few decades, creating products and materials that are offer the benefits of durability, aesthetics, resistance to corrosion and chemicals. Plastic molding can be a fun activity and an economical way to spend your time at. Plastic molds can make beads or the charms…

In industrial applications, the proportion of the use of valve products began to increase in recent years, this situation is partly because of the production needs of the industry, but the main reason is the support of national policy guidance, and only the national policies focus on the development of…

December 31, the Ministry of Finance and the State Administration of Taxation issued a notice to the decision of officially canceling boron steel export tax rebates since January 1, 2015. Analysts say that the long-term impact is limited, or 2015 steel exports continued to be strong Analysts pointed out that…

By means of recycling of water, there has been lots of advantages for industries as well as individual domestic users. Rain water and wastewater from houses and industries can be effectively recycled to generate usable water, sometimes with high level of purity that is even good enough for drinking. Although…

Hydraulic cylinders and ram find their use in various fields but primarily and most importantly in the field of civil Engineering and Construction. These machines are either bought or are rented for the required work as these mean machines are highly expensive. Hence, while purchasing such a machine a team…

There is more to choosing heavy duty casters then just picking out ones with the right weight bearing rating. Different sizes of caster can support the same amount of weight, but how they are engineered can affect how well you can move the transport trolley. Here is a basic overview…

A directional air flow system is any type of system which purports to direct the flow of air in a single direction. These types of systems can provide air flow for a variety of reasons, but their primary function is to both prevent air from coming in from a certain…

During your childhood, you had been taught that never touch electric wires with wet hands or with iron rod, and the reason behind this was told you that water, iron and other metals are good conductors of electricity and therefore, when these things come in contact with electric wires, the…

The days of the old round house are long gone. Railroads used shops that had a circular or usually semi-circular shape (hence the name round house) to shop and service their steam locomotives. The round house also usually had a turn table in front of it, so that locomotives could…

No internal defects pipe weld penetration refers to a defect between the workpiece and the weld metal or weld layer locally unfused. Incomplete penetration welds work weakened section, causing severe stress concentration, greatly reduce joint strength, it tends to be a source of weld cracking. Sandwiched weld slag nonmetallic slag,…