We supply premium alloy steel pipes designed to meet demanding industrial requirements. Alloy steel pipes, enhanced with elements like chromium, molybdenum, nickel, and vanadium, offer superior strength, wear resistance, and temperature stability compared to carbon steel. Ideal for high-stress environments, our pipes are widely used in oil and gas drilling, power generation, automotive manufacturing, heavy machinery, and aerospace industries.
|
Parameter |
Range/Options |
|
Outer Diameter (OD) |
10 mm – 1,200 mm (seamless & welded) |
|
Wall Thickness |
1 mm – 50 mm |
|
Length |
Standard: 6 meters (custom lengths up to 12 meters available) |
|
Grades |
4140, 4340, 4130, P11, P22, P91, P92, 42CrMo, 15CrMo, 35CrMo |
|
Standards |
ASTM A335, ASTM A213, DIN 17175, JIS G3458, GB/T 5310 |
|
Surface Treatment |
Galvanized, black painted, coated, heat-treated (quenched & tempered) |
|
Applications |
Power plants, oil & gas pipelines, boilers, automotive parts, heavy machinery |
|
Standard |
Scope |
Key Grades |
Key Features |
|
ASTM A335 |
Seamless pipes for high-temperature service |
P11, P22, P91, P92 |
Resistant to creep, oxidation, and thermal stress |
|
ASTM A213 |
Seamless tubes for boilers, superheaters, and heat exchangers |
T11, T22, T91 |
High-temperature strength, corrosion resistance |
|
DIN 17175 |
Seamless tubes for elevated temperatures (European market) |
13CrMo44, 10CrMo910 |
Complies with EU pressure equipment standards |
|
JIS G3458 |
Alloy steel pipes for high-pressure service (Japanese market) |
STPA12, STPA20, STPA22 |
High tensile strength, used in power generation |
|
GB/T 5310 |
Chinese standard for high-pressure boiler tubes |
15CrMoG, 12Cr1MoVG, 10Cr9Mo1VNb |
Widely used in domestic power and petrochemical plants |
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