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90° Elbow Long Radius ASME B16.9 BW WROUGHT-S ASTM A 234 GR. WPB GA-E-60112
ASTM A234 WPB Standard Specification
ASTM A234 is Standard Specification for steel pipe fittings includes carbon and alloy steel material for moderate and high temperature services.
Forging is the manufacturing process of ASTM A234 WPB pipe fittings.
W = WELDABLE / wrought
P = RELATED TO P NUMBER OF ALLOY MATERIAL
B = REFER TO MINIMUM YIELD OF MATERIAL
ASTM A234 Scope
1.1 This specification covers wrought carbon steel and alloy steel fittings of seamless and welded construction covered by the latest revision of ASME B16.9, B16.11, MSS-SP-79, MSS-SP-83, and MSS-SP-95. These fittings are for use in pressure piping and in pressure vessel fabrication for service at moderate and elevated temperatures. Fittings differing from these ASME and MSS Standards shall be furnished in accordance with Supplementary Requirement S58 of Specification A 960/A 960M.
1.2 Optional supplementary requirements are provided for fittings where a greater degree of examination is desired. When desired, one or more of these supplementary requirements may be specified in the order.
1.3 This specification does not cover cast welding fittings or fittings machined from castings. Cast steel welding fittings are governed by Specifications A 216/A 216M and A 217/A 217M.
1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “M” specification designation (SI units), the material shall be furnished to inch-pound units.
1.5 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
GENERAL NOTE: All values are maximum unless otherwise indicated.
Chemical Composition (%) of ASTM A234
Grade
C
Mn
P
S
Si
Cr
Mo
Ni
Cu
V
Nb
WPB
0.3
0.29-1.06
0.05
0.058
0.1min
0.4
0.15
0.4
0.4
0.08
0.02
WPC
0.35
0.29-1.06
0.05
0.058
0.1min
0.4
0.15
0.4
0.4
0.08
0.02
WP11 CL1
0.05-0.15
0.30-0.60
0.03
0.03
0.50-1.00
1.00-1.50
0.44-0.65
-
-
-
-
WP11 CL2/3
0.05-0.20
0.30-0.80
0.04
0.04
0.50-1.00
1.00-1.50
0.44-0.65
-
-
-
-
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TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
