DIN 2440  STEEL TUBES MEDIUM WEIGHT SUITABLE FOR SCREWING

pipe fittings materials data

you may also check non standard sizes pipe fitting weight online calculation, pipe fitting surface area online calculation,pipe fitting surface volume online calculation from our pipeline tool link:

https://alloypipefitting.com/fitting-calculator.html

For the pipe fitting material, please check butt-weld-fitting-standard-data

1. SCOPE

This Standard applies to medium-weight tubes suitable for screwing. They are suitable for nominal pressure 2 for liquids and nominal pressure 10 for air nd non-hazardous gases.

2. Other relevant Standards

DIN 2444 Zinc coatings on steel tubes; quality standard for the hot galvanizing of steel tubes for installation purposes

DIN 2999 Part 1 Whitworth pipe threads for tubes and fittings; cylindrical internal thread and conical external

DIN 17100 Steels for general structural purposes; quality specifications

DIN 50136 Testing of metallic materials; flattenin test on tubes.

3. Dimensions, designation

Designation of a medium-weight tube suitable for screwing, nominal width 40, seamlesly gavenized(B), in manufacturing lengths:

Table 1. Threaded tube DIN 2440 – DN 40-seamless B

Nominall widthConn-
ecting
nomin-
al width
of the
flttings
according
to DIN
2950 and
DIN 2980
Whit-
worth-
pipe
threads
according
to
DIN
2999
Part1
TubeScrew threadCorresponding
socket according
to DIN 2986
Outside
diameterd1
Wall
thick-
nesss
WeightTheo-
retical
screw
thread
diameter
d2
Threads
per
25.4mm
Usable
screw
thread
length
J
min
at
a
max.
Distance of
screw thread
dlameter
d2
from tube end
Outside
diameter
Length
Plain-end
tube
kg/m
socketed
tubekg/m
a
max.
a
min.
min.min.
61/8R 1/810.22.00.4070.4109.728287.44.93.11417
81/4R 1/413.52.350.6500.65413.1571911.07.34.715.425
103/8R 3/817.22.650.8520.85816.6621911.47.75.121.326
151/2R 1/221.32.651.221.2320.9551415.010.06.426.434
203/4R 3/526.92.651.581.5926.4411416.311.37.731.836
251R 133.73.252.442.4633.2491119.112.78.139.543
321 1/4R 1 1/442.43.253.143.1741.9101121.415.010.448.348
401 1/2R 1 1/248.33.253.613.6447.8031121.415.010.454.548
502R 260.33.655.105.1759.6141125.718.213.666.356
652 1/2R 2 1/276.13.656.516.6375.1841130.221.014.08265
803R 388.94.058.478.6487.8841133.324117.19571
1004R4114.34.512.112.4113.0301139.328.921.912283
1255R 5139.74.8516.216.2138.4301143.632.125.114792
1506R 6165.14.8519.219.8163.8301143.632.125.117492
1) Referred to an average length of 6m

C&N Huitong group can produce pipe fittings of such materials :

ASTM Standard MaterialASTM A53 A53M Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
ASTM A106 A106M Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
API 5L Specification for Line Pipe
ASTM A213 2018 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes
ASTM A312 A312M Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A234 A234M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service
ASTM A403 A403M Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASTM A420 A420M Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service
ASTM A860 A860M Standard Specification for Wrought High-Strength Low-Alloy Steel Butt-Welding Fittings
ASTM A733 Standard Specification for Welded and Seamless Carbon Steel and Austenitic Stainless Steel Pipe Nipples
DIN Standard MaterialDIN1629 Seamless Circular Unalloyed Steel Tubes Subject to special requirements
DIN 2440 Medium-weight threaded steel tubes
DIN 2441 Steel Tubes Heavy Weight For Suitable For Screwing
GOST Standard MaterialGOST-1050 Sized Bars Made of High-Quality Structural Carbon Steel With a Special Surface Finish
GOST 8732 Seamless hot-deformed steel pipes-Range of sizes
GOST 19281 Rolled Steel With Enhanced Strength
JIS Standard MaterialJIS G3452 Carbon steel pipes for ordinary piping
JIS G3454 Carbon steel pipes for pressure service
JIS G3455 Carbon steel pipes for high pressure service
JIS G3456 Carbon steel pipes for high temperature service
JIS G3457 Arc welded carbon steel pipes
JIS G3458 Alloy Steel Pipes
JIS G3459 Stainless steel pipes
JIS G3460 Steel pipes for low temperature service
BS EN Standard MaterialBS EN 10255 Non-alloy steel tubes suitable for welding and threading Technical delivery conditions
BS EN 10253-1 Butt-Welding Pipe Fittings  Part 1: Wrought Carbon Steel for General Use and Without Specific Inspection Requirements
BS EN 10253-2 Butt-welding pipe fittings. part 2: Non alloy ferritic alloy steels with specific inspection requirements
BS EN10253-3 Butt-welding pipe fittings Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
BS EN 10253-4 Butt-welding pipe fittings Part 4:Wrought austenitic and austenitic-ferritic (duplex)stainless steels with specific inspection requirements