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Raian Ionescu

Material quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future

Contact Person : Gao

Phone Number : 18068357371

Whatsapp : +8618068357371

High Temperature Resistant Corrosion Resistant SA335 T91 Seamless Alloy Steel Pipe with OD 6-630mm

Minimum Order Quantity	1 Ton
Price	US $1,033-1,662 / T

Product Details

Surface Treatment	Black	Section Shape	Round
Outer Diameter	6-630mm	Wall Thickness	1-120mm
Length	6m,5.8m,11.8m,12m, Or As Required	Carbon Content	0.05-0.15% (T11)
Manganese Content	0.30-0.60% (T11)	Phosphorus Content	≤0.025% (T11)
Sulfur Content	≤0.025% (T11)	Silicon Content	0.50-1.00% (T11)
Chromium Content	8-9.50% (T91)	Molybdenum Content	0.85-1.05% (T91)
Vanadium Content	0.18-0.25% (T91)	Tensile Strength	≥585 MPa (SA213 T91)
Yield Strength	≥415 MPa (SA213 T91)
Highlight	High Temperature Resistant Seamless Alloy Steel Pipe , Corrosion Resistant SA335 T91 Pipe , OD 6-630mm P91 Alloy Steel Pipe

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Product Description

SA335 T91 Seamless Alloy Steel Pipe

High-quality P91 pressure cooker alloy steel pipes available in large quantities for industrial applications.

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

Feature	Specifications
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	Price Terms
T/T, L/C, Western Union	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 fully-automatic natural gas furnace measuring 24 meters in length, maintaining temperature tolerance within 10ºC. For optimal performance, we recommend tempering temperatures at least 50°C above intended service temperatures.

Quality Assurance

Each lot of raw materials undergoes spectrometer testing before storage
100% PMI testing of mother pipe to ensure correct material
100% PMI testing of finished pipe to verify correct grade

Permitted OD Tolerance

Outer Diameter (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

These high-pressure, low & medium pressure boiler steel pipes are ideal for manufacturing super-heaters, re-heaters, water walls, and economizers in large-scale power plants.

Product Images

Company Information

Established in 1992, our company specializes in pipe fittings production, steel pipe sales, and export services. We operate from a 100,000 square meter facility with 520 employees, including senior engineers and technical professionals.

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
Multiple industry network member certifications

Production Capabilities

Our facility is equipped with 420 sets of advanced equipment including pushing machines, press machines, large heat treatment furnaces, and comprehensive testing instruments. We maintain over 20,000 tons of special steel pipes annually and serve as a special dealer for major steel manufacturers.

Global Reach

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

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High Temperature Resistant Corrosion Resistant SA335 T91 Seamless Alloy Steel Pipe with OD 6-630mm

High Temperature Resistant Seamless Alloy Steel Pipe

Corrosion Resistant SA335 T91 Pipe

OD 6-630mm P91 Alloy Steel Pipe