Name: 25mm 30mm dia hot rolled 42crmo4 carbon alloy steel round structural steel bars for levers and gears
Brand: huaxiang
Availability: InStock

Product Details

Product Description

25mm 30mm dia hot rolled 42crmo4 carbon alloy steel round structural steel bars for levers and gears

STANDARD	ASTM, GB, API, JIS, BS, DIN, YB, SNY, etc
MATERIAL	10#,20#,45#,A53A,A53B,A106Gr.A,A106Gr.B,A106A,A106B,ST52,ST358,16Mn, Q235, Q195, Q345, Q215, API 5L Gr.B,Gr.65,Gr.60,Gr.70, X42,X52,X60,X65,X70,X80,etc
SPECIFICATION	Diameter:5-900mm Length: 6m-12m or as requested
Production Process	Hot-rolled, forged, cold-drawn
SURFACE	Black painted
PACKAGE	Standard export package, suit for all kinds of transport or as required.
APPLICATIONS	Crankshaft, automobile axle, rod, worm, levers, gears

Composition%:

C	Si	Mn	Cr	Mo	V	P/S
0.32~0.42	0.80~1.20	0.20~0.50	4.75~5.50	1.10~1.75	0.80~1.20	≤ 0.030

For making all sorts of cold working steel with high-precision and long-life .Some cutting tools and measures.

Annealing	850+/-10°C,730 +/-10 ,≤255HB
Hot treatment quench	1020-1050°C air cooling or oil cooling HRC:56-58

Backfire	450~300°C HRC :30-49
	300~100°C HRC :49-57.5