Quenched and Temerped HRC22-27 Chrome Piston Rod Chromed Steel Bar

• Journal Diameter Dimensional Accuracy: F7
• Journal Surface Roughness: Ra 0.2
• Material: Alloy Steel
• Model NO.: OD from 8 to 300mm
• Condition: Could Be Induction or Q+T
• Load: Drive Shaft
• Axis Shape: Straight Shaft
• Appearance Shape: Round
• Shaft Shape: Round
• Transport Package: Each Bar Packed in Paper Tube and Then in Bundle
• Specification: OD from 8 to 300mm
• Trademark: BAIHENG
• Origin: China
• HS Code: 8412909090
• Production Capacity: 1000 Ton Per Month

Product Description

Product name : Chrome bar, piston rod, chrome plated bar, chrome plated rod, chrome shaft, hard chrome plated bar, induction hardened chrome plated bar, quenched and tempered chrome bar

Diameter: φ6-φ300

Supply condition: Standard chrome plated; induction hard; quenched and tempered

Roughness:  Ra≤0.4 micron

Tolerance on OD:  ISO f7 on the diameter

Ovality: Half of the tolerance ISO f7

STRAIGHTNESS: ≤0.2MM/M

Q+T Hardness : 220-280 HB (depends on customer requirement )

Induction Hardness: 50-65HRC (depends on customer requirement )

Packing: Anti rust oil to be applied on material and each bar/rod to be packed in paper sleeve

Application: Direction rods, operating rods, adjusting rods, transmission shafts, die casting machines, injection molding machines, fitness equipment, electronic equipment, power tools, light industrial machinery, precision machinery, engineering machinery, packaging machinery, textile machinery, printing machinery, printing and dyeing machinery, mining Used in machinery, woodworking machinery, automation equipment and other various industrial machinery and supporting equipment

 

CHEMICAL COMPOSITION

Material	C%	Mn%	Si%	S%	P%	V%	Cr%
CK45	0.42-0.50	0.50-0.80	≤0.04	≤0.035	0.035		≤ 0.25
ST52	≤0.22	≤1.6	≤0.55	≤0.04	≤0.04
20MnV6	0.16-0.22	1.30-1.70	0.10-0.50	≤0.035	≤0.035	0.10-0.20	≤0.30
42CrMo4	0.38-0.45	0.60-0.90	0.15-0.40	≤0.035	≤0.035	0.07-0.12	0.90-1.20
40Cr	0.37-0.45	0.50-0.80	0.17-0.37	≤0.035	≤0.035		0.80-1.10
304	≤0.07	≤2	≤1	≤0.03	≤0.045		18-20
420	0.16-0.25	≤1.5	≤1	≤0.03	≤0.04		12-14
431	0.12-0.22	≤1.5	≤1	≤0.03	≤0.04		15-17
430	≤0.12	≤1	≤0.75	≤0.03	≤0.04		16-18

 

 

MECHANCIAL PROPERTIES

Material	T.S  (MPA)	Y.S  (MPA)	Elongation %	CONDITION
CK45	≥610	≥355	≥15	NORMALIZE
CK45	≥800	≥630	≥20	Q + T
ST52	≥500	≥355	≥22	NORMALIZE
20MnV6	≥750	≥590	≥12	NORMALIZE
42CrMo4	≥980	≥850	≥14	Q + T
40Cr	≥1000	≥800	≥10	Q + T
304	≥520	≥205	≥40
420	≥635	≥440	≥20
431	≥800	≥600	≥10
430	≥450	≥205	≥22

 

 

Tolerance:

 

Diameter (mm)	ISO f7  (um)	ISO f8  (um)	g6 (um)
6 <Φ≤10	-13 to -28	-13 to -35	-5 to -14
10 <Φ≤18	-16 to -34	-16 to -43	-6 to -17
18 <Φ≤30	-20 to -41	-20 to -53	-7 to -20
30 <Φ≤50	-25 to -50	-25 to -64	-9 to -25
50 <Φ≤80	-30 to -60	-30 to -76	-10 to -29
80 <Φ≤120	-36 to -71	-36 to -90	- 12 to -34
120 <Φ≤180	-43 to -83	-43 to -106	-14 to -39
180 <Φ≤250	-50 to -96	-50 to -122	-15 to -44