Alloy Steel ASTM A234 Grade WP5
Alloy Steel ASTM A234 Grade WP5
Alloy Steel ASTM A234 Grade WP5

Alloy Steel ASTM A234 Grade WP5

A234 is an American standard material and an American standard for forged carbon steel and alloy steel pipe fittings for medium and high temperatures. The A234 standard includes carbon steel and alloy steel grades such as WPB, WP5, WP9, WP11, WP12, WP22, and WP91.

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Product Introduction

ASTM A234 is a standard specification published by the American Society for Testing and Materials (ASTM) describing the manufacturing requirements for carbon and alloy steel pipe fittings. In China, the corresponding national standard is GB/T12459.

Specifications : ANSI/ASME B16.9, B16.28, MSS-SP-43.

Standard : ASTM A234 / ASME SA234

Size : ½"NB to 48″NB in Sch 10s, 40s, 80s, 160s, XXS.

Schedules :Sch.40 to Sch.XXs

Type : Seamless / Welded

Chemical Composition of ASTM A234 Alloy Steel Pipe Fittings(%)

Grade	C	Mn	P	S	Si	Cr	Mo	Others
WP1	0.28	0.30-0.90	0.045	0.045	0.10-0.50	-	0.44-0.65	-
WP12 CL1, WP12 CL2	0.05-0.20	0.30-0.80	0.045	0.045	0.60	0.80-1.25	0.44-0.65	-
WP11 CL1	0.05-0.15	0.30-0.60	0.030	0.030	0.50-1.00	1.00-1.50	0.44-0.65	-
WP11 CL2, WP11 CL3	0.05-0.20	0.30-0.80	0.040	0.040	0.50-1.00	1.00-1.50	0.44-0.65	-
WP22 CL1, WP22 CL3	0.05-0.15	0.30-0.60	0.040	0.040	0.50	1.90-2.60	0.87-1.13	-
WP24	0.05-0.10	0.30-0.70	0.020	0.010	0.15-0.45	2.20-2.60	0.90-1.10	*A
WP5 CL1, WP5 CL3	0.15	0.30-0.60	0.040	0.030	0.50	4.0-6.0	0.44-0.65	-
WP9 CL1, WP9 CL3	0.15	0.30-0.60	0.030	0.030	1.00	8.0-10.0	0.90-1.10	-
WPR	0.20	0.40-1.06	0.045	0.050	-	-	-	*B
WP91	0.08-0.12	0.30-0.60	0.020	0.010	0.20-0.50	0.85-1.05	0.85-1.05	*C
WP911	0.09-0.13	0.30-0.60	0.020	0.010	0.10-0.50	0.90-1.10	0.90-1.10	*D
WP92	0.07-0.13	0.30-0.60	0.020	0.010	0.50	0.30-0.60	0.30-0.60	*E

Mechanical Properties of ASTM A234 Alloy Steel Pipe Fittings

Grade	Tensile Strength, min. ksi[MPa]	Yield Strength, min. ksi[MPa]	Elongation, min. %
Grade	Tensile Strength, min. ksi[MPa]	Yield Strength, min. ksi[MPa]	Longitudinal	Transverse
WP1	55-80[380-550]	30[205]	20	13
WP12 CL1	60[415]	32[220]	22	14
WP12 CL2	70[485]	40[275]	22	14
WP11 CL1	60[415]	30[205]	22	14
WP11 CL2	70[485]	40[275]	22	14
WP11 CL3	75[520]	45[310]	22	14
WP22 CL1	60[415]	30[205]	22	14
WP22 CL3	75[520]	45[310]	22	14
WP24	85[585]	60[415]	20	-
WP5 CL1	60[415]	30[205]	22	14
WP5 CL3	75[520]	45[310]	22	14
WP9 CL1	60[415]	30[205]	22	14
WP9 CL3	75[520]	45[310]	22	14
WPR	63-99[435-605]	46[315]	20	-
WP91	90[620]	60[415]	20	13
WP911	90-120[620-840]	64[440]	20	13
WP92	90-120[620-840]	64[440]	20	13

A234 Pipe Fitting

A234 pipe fittings A234 WP5 pipe fitting

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ASTM A860 WPHY 65

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