Alloy Steel Welded Pipes

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Alloy Steel Welded Pipes Manufacturers
Bestar Steel is one of the leading Alloy Steel Welded Pipes Manufacturers in China. We are known for exporting Alloy Steel Welded Pipes worldwide. Our Alloy Steel ERW Pipes have been used in different industries. Our Alloy Steel Welded Pipes are made with precision and highest quality of raw material to provide maximum output at low cost. We provide all types of Alloy Steel Welded Pipes that includes Grades: 1-1/4 CR, 2-1 1/4 CR, 5 CR, 9 CR 91.

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Alloy Steel Seamless Pipes Standards, Specification & Grades

Material Specifications: ASTM A691
Grades: 1-1/4 CR, 2-1 1/4 CR, 5 CR, 9 CR 91
Thickness (MM): upto 30 mm Thik Alloy Steel Welded Pipes
Size – Dia(mm): upto 24″ NB Alloy Steel Welded Pipes & Tubes

Alloy Steel ERW Pipes Chemical Properties

Alloy Steel C Cr Mn Mo P S
0.05 – 0.15 1.00 – 1.50 0.30 – 0.60 0.44 – 0.65 0.025 max 0.025 max

ASTM A335 Welded Pipes Mechanical Properties

Tensile Strength, MPa Yield Strength, MPa Elongation, %
415 min 205 min 30 min

Equivalent grades of SA335M Alloy Steel Pipes

Name Temper Specification
Alloy 4130 N MILT6736, AMS6360, AMS6371
Alloy 4140 N,A, T AMS6381
Alloy 15CDV6 T1080, T980 AIR9160C, 1.7734.5, 1.7734.6

ASTM A335 Alloy pipes Wall Thickness

Alloy Steel Pipe Types Out diameter Wall thickness
Alloy Steel Welded Pipe (in Stock + Custom Sizes) 5.0mm ~ 1219.2mm 1.0 ~ 15.0 mm
Alloy Steel Seamless Pipe (Custom Sizes) 5.0mm ~ 203.2mm As per requirement
NB Sizes (in stock) 1/8” ~ 8” SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160

Applications of Alloy Steel Welded Pipes

Heat Exchangers
Pulp and Paper Industry
Off-Shore Oil Drilling Companies
Power Generation
Gas Processing
Specialty Chemicals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment

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