Black Carbon Steel Seamless Pipe Nipple from 1/8" to 12" and Schedules 40, 80, and 160.

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Black Carbon Steel Seamless Pipe Nipple from 1/8" to 12" and Schedules 40, 80, and 160.

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Product Description

Product Description

Maitolead Group is a professional manufacturer and global supplier specializing in fluid transportation and fire protection pipeline systems.

With several production bases under our group, we focus on delivering complete solutions covering stainless steel products, carbon steel products,

malleable iron pipe fittings, grooved fittings, valves, and related components for industrial piping applications.

We mainly produce a full range of stainless steel and carbon steel pipe fittings, including elbows, tees, unions, hex nipples, hose nipples, sockets, caps, plugs and more.

In addition, we supply stainless steel and carbon steel pipe nipples（seamless DIN 2982 black pipe nipple） such as barrel nipples, welding nipples, KC nipples, and hose menders,

as well as cam & groove couplings and ball valves. For special engineering requirements, customized stainless steel products can also be manufactured

according to customer drawings and specifications.

As part of Maitolead Group's integrated business structure, our supply capabilities are further strengthened by group-owned factories in malleable iron pipe fittings,

grooved fittings, forged components, and piping accessories. Leveraging decades of industry experience, stable raw material channels, and modern machining equipment,

we are able to support diverse project demands from medium-pressure piping systems to FM/UL certified fire protection networks.

Quality control is at the core of our operations. From raw material inspection to final packaging, every step is strictly monitored to ensure stable performance, durability,

and global compliance standards. With flexible production capability and large inventory support, we offer fast delivery schedules and competitive pricing for

both project contractors and distributors.

Today, Maitolead Group has established reliable partnerships in the Middle East, Europe, South America, and Southeast Asia, participating in various commercial,

industrial, and public infrastructure projects. Our mission is not only to supply dependable pipeline products, but to provide professional service, technical support,

and long-term value to our global customers.

Maitolead Group — Global Expert in Fluid Transport Solutions.

We look forward to building lasting cooperation and creating reliable pipeline solutions worldwide.

Size	1/8"-6"
Standard	ASTM A733
Wall thickness	STD/SCH40, SCH80/XS, SCH160, XXS
End	Plain end or Thread(NPT/BSP) end, TOE,TBE, POE,BBE,PBE,PE,BE
Length	3/4"-24"; 19mm-500mm; Or as per customer's request
Process	seamless or ERW
Surface	Sand blast, black, anti-rust oil, HDG(hot dip galv. or eletric galv.)
Material	Carbon steel: A106, A53, A333 Gr6
	Pipeline steel: API 5l Gr B, X46, X52, X56,X60,X65, X70
	Stainless steel: 304/304L, 316/316L
	Duplex stainless steel: UNS31803
	Nickel alloy: inconel600, inconel625
	Cr-Mo alloy steel: P11, P22 , P5, P9, P91
Application	Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building; water treatment, etc.

British Standard Steel Threaded Pipe Fittings

The standard for steel threaded pipe fittings is EN 10241. The pipe threads follow the BSP standard, ISO 7-1. Based on wall thickness, steel threaded pipe fittings can be classified into medium-thickness steel threaded fittings and heavy-thickness steel threaded fittings.
According to surface treatment, they can be categorized as:
1、Hot-dip galvanized steel threaded fittings
2、Electro-galvanized steel threaded fittings
3、Black steel threaded fittings
4、Sandblasted plain steel threaded fittings

Parameter data

Carbon Steel Pipe Nipple Medium/Heavy,Welded/Seamless
Pipe size	Pipe O.D	Length Close	Pipe Nipple Lengths (mm)
mm	mm	mm	Pipe Nipple Lengths (mm)
6	10.3	19	30	40	50	60	80	100	120	150	180	200	250	300	350	400	450	500
8	13.7	27	30	40	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
10	17.1	28	30	40	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
15	21.3	37	x	40	50	60	80	100	4/2	150	180	200	250	300	350	400	450	500
20	26.7	39	X	40	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
20	26.7
25	33.4	46	X	X	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
25	33.4
32	422	51	X	x	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
32	422
40	48.3	51	X	x	50	60	80	100	41/2	150	180	200	250	300	350	400	450	500
50	60.3	60	x	x	X	60	80	100	41/2	150	180	200	250	300	350	400	450	500
65	76.1	69	x	x	X	x	80	100	41/2	150	180	200	250	300	350	400	450	500
80	88.9	75	x	x	X	X	80	100	41/2	150	180	200	250	300	350	400	450	500
100	114.3	87	X	X	X	X	x	100	41/2	150	180	200	250	300	350	400	450	500
125	141.3	96	x	x	x	x	x	X	120	150	180	200	250	300	350	400	450	500
150	168.3	96	x	x	x	x	x	x	120	150	180	200	250	300	350	400	450	500