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ASTM A335 Alloy Steel Pipe P11 P22 P91 Chrome Moly Tube for Power Plants

China ASTM A335 Alloy Steel Pipe P11 P22 P91 Chrome Moly Tube for Power Plants

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ASTM A335 Alloy Steel Pipe P11 P22 P91 Chrome Moly Tube for Power Plants

MOQ： 1 Ton
Price： US $1,021-1,646 / T
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Outer Diameter	6-630mm
Wall Thickness	1-120mm
Section Shape	Round
Surface Treatment	Black
Length	6m,5.8m,11.8m,12m
Tensile Strength	415-735 MPa
Yield Strength	205-440 MPa
Elongation	18-30%
Hardness	≤250HB
Carbon Content	0.05-0.20%
Manganese Content	0.30-0.61%
Chromium Content	0.50-9.50%
Molybdenum Content	0.44-1.50%
Heat Treatment	1200°F-1375°F
Temperature Tolerance	±10ºC

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Product Details
Company Details

Product Specification


Outer Diameter	6-630mm	Wall Thickness	1-120mm
Section Shape	Round	Surface Treatment	Black
Length	6m,5.8m,11.8m,12m	Tensile Strength	415-735 MPa
Yield Strength	205-440 MPa	Elongation	18-30%
Hardness	≤250HB	Carbon Content	0.05-0.20%
Manganese Content	0.30-0.61%	Chromium Content	0.50-9.50%
Molybdenum Content	0.44-1.50%	Heat Treatment	1200°F-1375°F
Temperature Tolerance	±10ºC
High Light	ASTM A335 Alloy Steel Pipe ，P11 P22 P91 Chrome Moly Tube ，Power Plants Seamless Steel Pipe

ASTM A335 Alloy Round Section Steel Pipe P11 P22 P91 for Power Plants Chrome Moly Tube

High-performance alloy steel seamless pipes specifically designed for power plant applications, featuring chrome molybdenum composition for superior high-temperature performance.

Product Specifications

Item	Cold Rolled / Cold Drawn alloy steel seamless pipe
Standards	JISG3467-88, JISG3458-88, GB3087, GB6479-2000, GB9948-2006, GB5310-95, GB9948-88, ASME SA210, ASME SA213, ASTM SA335, ASTMA335/A335m, ASTMA213/A213m, DIN 17175
Model Numbers	12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo

Product Description

Surface	Black painted, PE coated, galvanized
Length	6m, 5.8m, 11.8m, 12m, or as required
Wall Thickness	1-120mm
Outer Diameter	6-1200mm

Trade Terms

Payment Terms	T/T, L/C, Western Union
Price Terms	FOB, CIF, CFR, Ex-work, CNF

Chemical Composition (%)

Grade	C	Mn	P≤	S≤	Si	Cr	Mo	V≥
T11	0.05-0.15	0.30-0.60	0.025	0.025	0.50-1.00	0.50-1.00	1.00-1.50
T12	0.05-0.15	0.30-0.61	0.025	0.025	≤0.50	0.80-1.25	0.44-0.65
T13	0.05-0.15	0.30-0.60	0.025	0.025	≤0.50	1.90-2.60	0.87-1.13
T2	0.10-0.20	0.30-0.61	0.025	0.025	0.10-0.30	0.50-0.81	0.44-0.65
T5	≤0.15	0.30-0.60	0.025	0.025	≤0.50	4.00-6.00	0.45-0.65
T5b	≤0.15	0.30-0.60	0.025	0.025	1.00-2.00	4.00-6.00	0.45-0.65
T5c	≤0.12	0.30-0.60	0.025	0.025	≤0.50	4.00-6.00	0.45-0.65
T9	≤0.15	0.30-0.60	0.025	0.025	0.25-1.00	8.00-10.00	0.9-1.0
T22	0.05-0.15	0.30-0.60	0.025	0.025	≤0.50	1.90-2.60	0.87-1.13
T91	0.08-0.12	0.30-0.60	0.020	0.010	≤0.50	8-9.50	0.85-1.05	0.18-0.25
T92	0.07-0.13	0.30-0.60	0.020	0.010	≤0.50	8-9.50	0.3-0.60	0.15-0.25
T21	0.05-0.15	0.30-0.60	0.025	0.025	≤0.50	2.65-3.35	0.80-1.06

Mechanical Properties

Standard	Steel Grade	Tensile (MPa)	Yield (MPa)	Elongate (%)	Hardness
20MnG	20MnG	≥415	≥240	≥22
25MnG	25MnG	≥485	≥275	≥20
15CrMoG	15CrMoG	440~640	≥235	≥21
12Cr2MoG	12Cr2MoG	450~600	≥280	≥20
12Cr1MoVG	12Cr1MoVG	470~640	≥255	≥21
12Cr2MoWVTiB	12Cr2MoWVTiB	540~735	≥345	≥18
10Cr9Mo1VNb	10Cr9Mo1VNb	≥585	≥415	≥20
ASME SA210	SA210A-1	≥415	≥255	≥30	≤143HB
ASME SA210	SA210C	≥485	≥275	≥30	≤179HB
ASME SA213	SA213 T11	≥415	≥205	≥30	≤163HB
ASME SA213	SA213 T12	≥415	≥220	≥30	≤163HB
ASME SA213	SA213 T22	≥415	≥205	≥30	≤163HB
ASME SA213	SA213 T23	≥510	≥400	≥20	≤220HB
ASME SA213	SA213 T91	≥585	≥415	≥20	≤250HB
ASME SA213	SA213 T92	≥620	≥440	≥20	≤250HB
DIN17175	ST45.8/	410~530	≥255	≥21	/
DIN17175	15Mo3	450~600	≥270	≥22
DIN17175	13CrMo44	440~590	≥290	≥22
DIN17175	10CrMo910	480~630	≥280	≥20

Heat Treatment Assurance

Our facility features a full-automatic natural gas furnace measuring 24 meters in length, capable of maintaining temperature tolerance within 10ºC for precise heat treatment control.

Important Note: It is recommended that the tempering temperature should be at least 100°F [50°C] above the intended service temperature. Please advise if service temperature exceeds 1100°F [600°C].

Quality Assurance

Each lot of raw materials undergoes spectrometer testing before storage
100% PMI (Positive Material Identification) of mother pipe to ensure correct material
100% PMI of finished pipe to verify correct grade production

Permitted OD Tolerance

OD (mm)	Plus Tolerance (+)	Minus Tolerance (-)
10.29-48.3	0.4	0.4
<48.3--≤114.3	0.79	0.79
<114.3-≤219.1	1.59	0.79
<219.1-≤323.9	2.38	0.79
<323.9	±1%

Applications

These high-pressure, low & medium pressure boiler steel pipes/tubes are specifically designed for power plant applications including super-heaters, re-heaters, water walls, and economizers in large-scale power generation facilities.

Product Images

Company Information

We are a comprehensive enterprise specializing in pipe fittings production, steel pipe sales, and export services. Our core products include alloy steel pipes, alloy pipes, and alloy pipe fittings.

Manufacturing Capabilities

Established in 1992, our 100,000 square meter facility employs 520 professionals including 3 senior engineers, 12 engineers, and 150 technical staff. Annual production exceeds 20,000 tons of pipe fittings and 50,000 tons of pipe flux.

Certifications & Quality Standards

ISO9001 International Quality Management System Certification
ISO14001 Environmental Management System Certification
OHSA18001 Occupational Health and Safety Management System Certification
Pressure Pipe Special Equipment Manufacturing License
Measurement Assurance Ability Certificate

Production Equipment

Our facility is equipped with 420 sets of advanced machinery including pushing machines, press machines, large heat treatment furnaces, beveling machines, sawing machines, three-way extruders, splint hammers, large sand blasting machines, and comprehensive testing instruments.

Material Inventory & Supply Chain

We maintain over 20,000 tons of special steel pipes year-round, serving as special dealer for major steel mills including Tianjin Big Seamless Steel Tube, Shanghai Baosteel, Chengdu Steel Vanadium, Yangzhou Chengde, Valing Henggang, and Baotou Steel.

Global Reach

Our products are exported worldwide to Southeast Asia, Central Asia, North Africa, South America, and other regions, serving industries including petroleum, chemical, electric power, metallurgy, city gas, heat pipe networks, and shipbuilding.

Company Details

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Business Type:

Manufacturer,Distributor/Wholesaler,Exporter 
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Total Annual:

>1000000
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Employee Number:

>100 
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Ecer Certification：

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Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...

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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
https://www.stainless-strips.com/

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