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

3.Steel Pipe Workshop

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	OD, mm	ID, mm	Length, mm	Straightness, 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 pipe

6.Marking & Packaging of Steel Pipes

7.Steel pipe mill test certificate

8. Copy of Bill Lading

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