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ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion

China ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion

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ASTM A335 Alloy Steel Seamless Pipe High Temperature Resistant Corrosion

MOQ： 1 Ton
Price： US $1,030-1,659 / T
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Outer Diameter	6-1200mm
Wall Thickness	1-120mm
Length	6m,5.8m,11.8m,12m, or as required
Surface Treatment	black painted,PE coated,galvanized
Tensile Strength	415-735MPa
Yield Strength	205-440MPa
Elongation	18-30%
Hardness	≤250HB
Carbon Content	0.05-0.20%
Manganese Content	0.30-0.61%
Chromium Content	0.50-10.00%
Molybdenum Content	0.44-1.50%
Silicon Content	0.10-2.00%
Heat Treatment Temp	1200°F-1375°F
OD Tolerance	±0.4mm to ±1%

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Product Details
Company Details

Product Specification


Outer Diameter	6-1200mm	Wall Thickness	1-120mm
Length	6m,5.8m,11.8m,12m, or as required	Surface Treatment	black painted,PE coated,galvanized
Tensile Strength	415-735MPa	Yield Strength	205-440MPa
Elongation	18-30%	Hardness	≤250HB
Carbon Content	0.05-0.20%	Manganese Content	0.30-0.61%
Chromium Content	0.50-10.00%	Molybdenum Content	0.44-1.50%
Silicon Content	0.10-2.00%	Heat Treatment Temp	1200°F-1375°F
OD Tolerance	±0.4mm to ±1%
High Light	High Temperature Resistant Alloy Steel Seamless Pipe ，Corrosion Resistant ASTM A335 Pipe ，OD 6-630mm Boiler Steel Pipe

ASTM A335 Alloy Steel Pipe T91 T22 P22 P11 P12 P22 P91 P92 Seamless Pipes

High-quality alloy steel seamless pipes designed for demanding industrial applications in power generation, petrochemical, and high-pressure boiler systems.

Product Specifications

Item	Cold Rolled / Cold Drawn alloy steel seamless pipe
Standard	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 No.	12Cr1MoV, P2(10CrMo910), T91, P91, P9, T9, Cr5Mo, 15CrMo, P11, P12, 13CrMo44, 25CrMo, 30CrMo, 40CrMo, 12CrMo, X12CrMo91, 12Cr2Mo
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 utilizes a full-automatic natural gas furnace measuring 24 meters in length, ensuring precise temperature control with real temperature tolerance within 10ºC.

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].

Pipe of Grades P1, P2, and P12 (hot finished or cold drawn) may receive final heat treatment at 1200°F [650°C] to 1300°F [705°C]. All Grade P5c pipes undergo final heat treatment in the range from 1325°F [715°C] to 1375°F [745°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%	±1%

Applications

High pressure, low & medium pressure boiler steel pipes/tubes are suitable for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.

Product Images

Company Information

We are a professional 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.

Factory Establishment: 1992

Facility Area: 100,000 square meters

Workforce: 520 employees, including 3 senior engineers, 12 engineers, and 150 professional technical personnel

Production Capacity: Over 20,000 tons of pipe fittings annually, with pipe flux exceeding 50,000 tons

Certifications:

ISO9001 International Quality Management System
ISO14001 Environmental Management System
OHSA18001 Occupational Health and Safety Management System
Pressure Pipe Special Equipment Manufacturing License
Measurement Assurance Ability Certificate
China Datang Group Network Members Factory Certificate
Chemical Equipment Sentinel Production Enterprises Certificate
China Power Network Members Accessories Factory Certification
China Petrochemical Materials Supply Network Member Certification

Production Capabilities: Advanced equipment 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: Maintains over 20,000 tons of special steel pipes including SA106B, 20g, Q345, 12Cr1MoVG, 15CrMoG, 1Cr5Mo, 1Cr9Mo, 10CrMo910, A335P5/P9/P11/P12/P22/P91/P92, WB36, and various austenitic stainless steels.

Supply Partnerships: Official dealer for major steel mills including Tianjin Big Seamless Steel Tube, Shanghai Baosteel, Chengdu Steel Vanadium, Yangzhou Chengde, Valing Henggang, and Baotou Steel.

Industry Applications: Petroleum, chemical, power generation, metallurgy, city gas, heat pipe networks, shipbuilding, and pipeline engineering.

Global Reach: Products exported to Southeast Asia, Central Asia, North Africa, South America, and other international markets.

Committed to quality products, excellent service, and building lasting partnerships with customers worldwide.

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：

Verified Supplier 

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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