JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

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Cold Rolled Thick Wall High Temperature Resistant Alloy Steel Seamless Boiler

China Cold Rolled Thick Wall High Temperature Resistant Alloy Steel Seamless Boiler

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Cold Rolled Thick Wall High Temperature Resistant Alloy Steel Seamless Boiler

MOQ： 1 Ton
Price： US $1,024-1,649 / T
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Surface Treatment	Black
Section Shape	Round
Outer Diameter	6-630mm
Wall Thickness	1-120mm
Length	6m,5.8m,11.8m,12m, or as required
Tensile Strength	≥415-735 MPa
Yield Strength	≥205-440 MPa
Elongation	≥18-30%
Hardness	≤143-250 HB
Carbon Content	0.05-0.20%
Manganese Content	0.30-0.61%
Chromium Content	0.50-9.50%
Molybdenum Content	0.44-1.50%
Vanadium Content	0.15-0.25%
Heat Treatment	1200°F-1375°F

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Product Details
Company Details

Product Specification


Surface Treatment	Black	Section Shape	Round
Outer Diameter	6-630mm	Wall Thickness	1-120mm
Length	6m,5.8m,11.8m,12m, or as required	Tensile Strength	≥415-735 MPa
Yield Strength	≥205-440 MPa	Elongation	≥18-30%
Hardness	≤143-250 HB	Carbon Content	0.05-0.20%
Manganese Content	0.30-0.61%	Chromium Content	0.50-9.50%
Molybdenum Content	0.44-1.50%	Vanadium Content	0.15-0.25%
Heat Treatment	1200°F-1375°F
High Light	Cold Rolled Seamless Steel Pipe ，Thick Wall Alloy Steel Pipe ，High Temperature Resistant Boiler Pipe

Alloy Cold Rolled Steel Seamless Pipes

High-performance alloy steel seamless pipes including grades 4130, 4140, Al2024, Stkm13c, A335 P91, 42CrMo Chromoly, and API boiler pipes with thick wall construction.

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 features a fully-automatic natural gas furnace measuring 24 meters in length, capable of maintaining temperature tolerance within 10ºC. For optimal performance, tempering temperature should be at least 50°C above intended service temperature. Please advise if service temperature exceeds 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%	±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 Profile

Established in 1992, our company specializes in pipe fittings production, steel pipe sales, and export services. We manufacture alloy steel pipes, alloy pipes, and alloy pipe fittings for various industrial applications.

Facility & Capacity

100,000 square meter facility with 520 employees, including 3 senior engineers, 12 engineers, and 150 technical personnel. Annual production exceeds 20,000 tons of pipe fittings and 50,000 tons of pipe flux.

Certifications

ISO9001, ISO14001, OHSA18001, pressure pipe special equipment manufacturing license, and multiple industry network member certifications including China Power Network and China Petrochemical Materials Supply Network.

Production Capabilities

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 in inventory year-round.

Global Reach

Our products serve petroleum, chemical, power, metallurgy, city gas, heat pipe networks, and shipbuilding industries worldwide, with exports to Southeast Asia, Central Asia, North Africa, and South America.

Company Details

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Total Annual:

>1000000
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Employee Number:

>100 
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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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