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795.45 ton 4130 cold finished SMLS pipes to Russia

1.Background Information
Our Russia clients have placed the order for ASTM A519 GR 4130 cold finished, Quenched & Tempered SMLS pipe for us at the end of April. Our client is a leading global provider of technologies for integrated reservoir assessment, Well construction, and hydrocarbon production and processing management. They provide the industry's broadest range of products and services, from exploration to production management, and end-to-end solutions spanning the entire production cycle, from reservoir to pipeline, to optimize hydrocarbon production and efficient field operations. Before order for us, We provided all the technical document to them, after revised and study they placed trial order at Oct of 2019, and after done the test at their side, They are very to satisfy with the quality and service, now we are their regular supplier, and every month we offer the pipe for them according to their schedule.

2.Henan Bebon Iron&Steel Co.,Ltd Head Office
4130 SMLS pipes

3.Steel Pipe Workshop

4130 SMLS pipes

4130 SMLS pipes4130 SMLS pipes

4.Technical delivery condition of 4130 Pipes
Product type: Quality precision seamless cold finished steel tubes for stators
Steel: ASTM A519 grade 4130 mod

Chemical composition limits, %
Grade Carbon Manganese Phosphorus Sulfur Silicon Chromium Molybdenum
4130 0.28-0.33 0.40-0.60 0.04 max 0.04 max 0.15-0.35 0.80-1.10 0.15-0.25

Manufacture process: Quenched & tempered, cold finished

Tensile Properties
Grade Designation Ultimate Strength, MPa Yield Strength, MPa Elongation, % Reduction of area, % Impact energy  U-notch, J/cm2 Hardness, HB
4130 1000 min 930 min 13 min 40 min 63.8 min 300~350

Grain size: 5…9

Dimensions, Tolerances and Straightness:

Conventional designation
of tube
local (mm/m) / total (mm)
244.5\200=5670 244.5±1.1 200±1.1 5670+20 1.67 / 9.5
244.5\200=4720 244.5±1.1 200±1.1 4720+20 1.67 / 7.8
209.55\158.75=5610 209.55±1 158.75±1 5610+20 1.67 / 9.3
177.8\139.7=6520 177.8±0.8 139.7±0.8 6520+20 1.25 / 8.1
177.8\139.7=5610 177.8±0.8 139.7±0.8 5610+20 1.25 / 7.0
121\095=4500 121±0.5 95±0.5 4500+10 0.83 / 3.7
110\086=4510 110±0.45 86±0.45 4510+10 0.83 / 3.7
098\076=4510 98±0.4 76±0.4 4510+10 0.83 / 3.7

Necessary tests and procedures:
Tensile test; Chemical composition test; Through wall hardness test; Impact test; Metallographic test
Transversal/longitudinal inside/outside ultrasonic inspection; Visual and dimensional inspection

Inspection certificate:
UNI EN 10204 3.1
Other according to ASTM A519

5.Inspection of steel pipe4130 SMLS pipes

6.Marking & Packaging of Steel Pipes4130 SMLS pipes

7.Steel pipe mill test certificate4130 SMLS pipes4130 SMLS pipes

8. Copy of Bill Lading

4130 SMLS pipes

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