Carbon steel fittings of lap joint stub ends for industrial used
Technics of Carbon steel fittings of lap joint stub ends
The blanking material in strict accordance with the standard or
drawing check, check mark is complete right. Under the unmarked
The first article after flanging nipple molding, using qualified
measuring diameter, ovality, height, thickness, etc.; Ensure that
conform to the requirements of the standard or drawing for mass
Heat up processing method, do not change the material performance,
the evenness of the thickness of the material;
According to the requirements of the different material, heat
treatment was carried out on the flanging nipple to improve the
mechanical properties of the product;
Each flanging nipple for rolling sand or sand, remove surface
stains, scale, etc;
For each batch production of flanging nipple a percentage of the
UT/MT/PT/RT sampling, to ensure quality
The flat, cut head by line cutting, after cutting Angle measurement
by qualified universal Angle ruler;
Use a magnifying glass to each flanging sub appearance inspection,
pipe surface is smooth,
no oxide coating. Scratches depth < 5% is greater than 0.5 mm in
can not have scar, folding, folding, delamination defects.
Depth of more than 10% of nominal wall thickness or
greater than 1.5 mm mechanical scratches and pits shall be removed.
Record each flanging short section size of the measured values,
Flanging nipple types: Short Pattern, Long Pattern
Production standards: ASME B16.9, MSS - SP - 43
Size: 1/2 "- 24" (600) DN 15 - DN
Wall thickness: SCH5S - XXS
Leyon has more than 20 years of experience in pipe fittings
Our main product is malleable iron pipe fitting and carbon steel pipe fittings,
includes flanges, elbow, tee, reducer , cap, insulated joint and
other pipe fittings.
We have successfully export our products to more than 25 country.
Welcome your inquire.
2)A series of Carbon steel FLANGE, ELBOW, REDUCER, CROSS and CAP
can be offer.
3)Sample is available.
Key Points Carbon steel fittings of lap joint stub ends
|SCH120,SCH140,SCH160,XXS, DIN, JIS standard thickness|
|Standard||ASTMA234,ASTM A420,ANSI B16.9/B16.28/B16.25,ASME B16.9,|
|JIS B2311-1997/2312, JIS B2311/B2312, DIN 2605-1/2617/2615,|
|GB 12459—99,EN Standard etc.|
|Material||Q235, 20#, 10#, Q345|
|A234 WPB, WP5, WP9,WP11,|
|STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49|
|Application||Low and middle pressure fluid pipeline,boiler, petroleum and
|gas industry,drilling,chemical industry, electric
|fertilizer equipment and pipeline, structure,petrochemical,|
|Surface||Black painting,varnish paint, anti rust oil, hot galvanized,|
|cold galvanized, 3PE,etc.|
|Package||Plastic film,wooden cases ,wooden pallet,or on customers' request|
|Advantages||1.Reasonable price with excellent quality|
|2.Abundant stock and prompt delivery|
|3.Rich supply and export experience, sincere service|
|4. Reliable forwarder, 2-hour away from port.|
Draft for Carbon steel fittings of lap joint stub ends