GOST8734 Seamless Cold and Warm Deformed Pipes
Russian Standard Cold Drawn Seamless Pipes
Material: 10, 20, 35, 45, 10Mn2, 15Cr5Mo, 12Cr8, 20Cr, 40Cr
Size Range: OD: 6-114mm, WT: 1-20mm, Length: 5.8m/6m, maximal 11.8m
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment
6. Straightening/Cutting to specified length/Finished Measuring Inspection
7. Quality Testing in own lab with Tensile Strength, Yield Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.
Product Name
GOST8733 / GOST8734 Structural Seamless Cold Formed Steel Pipe
Material
10, 20, 3…