Q&T Steel Pipe Inner Dia Testing

3 year ago

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8 year

Product details

4130 quenched and tempered steel tube

4130 quenched and tempered seamless steel tube is used extensively in applications for automotive industry, Hydraulic, Mining and oil and gas drilling industry. 4130 Q&T tubes include 4130 Q&T seamless steel pipes and 4130 Q&T drilling hollow bars. After quenching and tempering, 4130 pipe can get higher strength. We can also produce 4130 cold drawn steel bar, peeled, ground and polished bright steel round bar, annealed steel round bar, normalized steel bar and quenched and tempered steel bar.

4130 Q&T steel tube we supply includes following advantages:

Consistent mechanical properties

Even thickness on the whole pipe

Deep mechanical properties

Even hardness on the whole bars/Tougher and Increased strength

No brittle, UT testing/Precision size tolerance/Good straightness

Good Roughness/Professional technical service/Competitive price/Fast delivery

Specification of 4130 steel tube we supply:

Sizes	OD range from 20mm to 100mm, Thickess: from 4mm to 20mm
Tolerances	Precision to h9, h10, h11 or even small to 0.02mm
Roundness	75% of diameter tolerance
Straightness	Good straightness to 0.5mm/m
Surface roughness	Smooth to 0.8um
Mechanical properties	Yield strength and tensile strength can be improved
Machining	Suitable for machining and welding

4130 steel chemical composition:

	C	Si	Mn	S	P	Cr	Mo
4130	0.28-0.33	0.15-0.35	0.40-0.60	0.035 max	0.035 max	0.80-1.10	0.15-0.25
25CrMo4	0.22-0.29	0.40 max	0.60-0.90	0.035 max	0.035 max	0.90-1.20	0.15-0.30
SCM430	0.28-0.33	0.15-0.35	0.40-0.60	0.035 max	0.035 max	0.80-1.10	0.15-0.35

4130 steel mechanical properties:

Yield Strength (MPa)	Tensile Strength (MPa)	Elongation	Reduction of area	AKV (J)
785min	930min	12% min	50% min	63 min

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SHANDONG LE REN SPECIAL STEEL CO., LTD.

Audited supplier

8 year

Main Product: Cold Drawn Steel Bar, Bright Steel Bar , Heat Treated Steel Bar and Tube, Threaded Rods, High Strength Steel Tie Rod, High Strength Steel Bolts

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