Type A Stub End

~~USD65~~ USD63

6” Sch 40S Type A Stub End Seamless ASTM A403 WP316L MSS SP-43

SKU: SH109 Category: Stub Ends

General Details

Stub End Supplier

Type A Stub End is one type of butt weld pipe fittings, and always supplied with lap joint flanges, they are in variety of dimensions and materials. Why choose us? International manufacturing standards and experienced production, and the most is ISO certified manufacturer. So we will check and keep every piece of products that have quality assurance.

Furthermore, our warehouse is located in Shanghai so that we can ship your goods as soon as possible.

Stub End and Lap Joint Flange

Stub End Type A is most suitable for use with standard lap joint flanges. It has outside corner radius to receive lap joint flanges, and the inside corner is square. Stub ends are not contact with fluids conveyed by the pipeline. To reduce the total weight and cost, so you can use carbon steel stub end with stainless steel lap joint flanges.

MSS-SP-43 also covers other stub end types, they are suitable for different flanges.

Stub End Type

Material Grades of MSS Lap Joint Stub Ends

Carbon Steel Stub End

ASTM A234 WPB, A860 WPHY42, WHPY52, WPHY60, WHPY65, WPHY70, A420 WPL 3 / 6/ 9

Stainless Steel Fittings

ASTM A403 WP304/304L, WP304H, WP316/316L, WP310, WP317, WP321, WP309

Alloy Steel Pipe Fittings

ASTM A234 WP1, WP5, WP9, WP11, WP12, WP22, WP91

Duplex Steel Pipe Fittings

ASTM A815 UNS S31803, S32205, S32550, S32750, S32760

MSS Type A Stub End Dimensions

Standard: MSS SP-43

Size Range: 1/2″ to 24″ / DN15 to DN600

Thickness: Sch 10s, 20, STD, 40S, 80S, 160, XXS

Type: Long Pattern and Short Pattern Stub End

Length: Standard Length or customized length.

Package of Stainless Steel Buttweld Fittings

We marked Stainless Steel Stub Ends with Material Grade, Lot No, Size, Standard and Thickness. Our workers will pack ASTM A403 WP316L Type A Stub End into wooden cases with protection.

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

Additional Services

Commercial Invoice

Packing List

Bill of Loading

Certificate of Origin

Mill Test Certificate

Shipping Service.

Technical

Stainless Steel 316L Pipe Fittings

Stainless Steel 316 Chemical and Mechanical Properties

Dimensions

ASME B16.9 & MSS SP 43 Stub End

Lap Joint Stud End Drawing

Nominal Size		OD of Cylinder		Length		Radius of Fillet		Diameter of Lap
Nominal Size		OD		F		R		Diameter of Lap
DN	NPS	Max.	Min.	Long Type	Short Type	A	Bmax	G
15	1/2	22.8	20.5	76	51	3	0.8	35
20	3/4	28.1	25.9	76	51	3	0.8	43
25	1	35	32.6	102	51	3	0.8	51
32	1 1/4	43.6	41.4	102	51	5	0.8	64
40	1 1/2	49.9	47.5	102	51	6	0.8	73
50	2	62.4	59.5	152	64	8	0.8	92
65	2 1/2	75.3	72.2	152	64	8	0.8	105
80	3	91.3	88.1	152	64	10	0.8	127
90	3 1/2	104	100.8	152	76	10	0.8	140
100	4	116.7	113.5	152	76	11	0.8	157
125	5	144.3	140.5	203	76	11	1.6	186
150	6	171.3	167.5	203	89	13	1.6	216
200	8	222.1	218.3	203	102	13	1.6	270
250	10	277.2	272.3	254	127	13	1.6	324
300	12	328	323.1	254	152	13	1.6	381
350	14	359.9	354.8	305	152	13	1.6	413
400	16	411	405.6	305	152	13	1.6	470
450	18	462	456	305	152	13	1.6	533
500	20	514	507	305	152	13	1.6	584
550	22	565	558	305	152	13	1.6	641
600	24	616	609	305	152	13	1.6	692

When the short type is used on the larger flanges with PN 50 and PN 110 (300 and 600 LB) and on flanges with PN 150(900 LB) and above, or the long type is used on the larger flange with PN 260 and PN 420(1500 and 2500LB), the length of the cylinder may be added to be feasible the welding, the adding length shall be negotiated by manufacturer and purchaser.

2) The thickness of joint shall be added if the TG and MFM contact surface of flange are used, and the adding thickness shall increase (not be included in) the base length F.

3) The radius of fillet R(type A) shall conform to the ones of loose flanges according to GB/T 9118.19118.2 or ASME B16.5. The radius of fillet R (type B) is only applied for the standards of MSS SP-43 with short length F.

4) The lap joint diameter G shall conform to the standard machined face indicated in ASME B16.5 , and the back of joint shall be machined to conform to the surface of installation.When RJ used, the size K specified in ASME B 16.5 Shall apply.

5) The minimum lap joint thickness t shall not be less than the nominal pipe wall thickness.

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