Compression Springs of Strong Spring Rate with Rectangular Section (Color Code: Red)

• Customization: Available
• Function: Pressed
• Material: Alloy
• Model NO.: JC-SPR-00003
• Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance
• Load Type: Compression
• Production Process: Select Based on Wire Diameter
• Shape: Spiral
• Sample: Support
• MOQ: 10000
• Inventory: 5000K
• Customized: Support
• Transport Package: Carton+Tray
• Specification: 10mm*25 to 50mm *305mm
• Trademark: JC
• Origin: China
• Package Size: 42.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 18.500kg

Product Description

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1. Manufacturer: JC 
2. Origin: China 
3. Area: Chengdu 

Name	Compression Springs of Light Spring Rate with Rectangular Section (Color Code: Green)
Place of Origin	Chengdu,Sichuan, China
Size	10mm*25 to 50mm *305mm
Finish	Customizable
Type	Spiral
Material	Alloy
Grade	Customizable
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc
Non-standards	OEM is available, according to drawing or samples
Samples	Samples available
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T,paypal

 

 

 

ISO 10243 Heavy-Duty Rectangular Compression Springs (Red)

Engineered for high-force applications requiring robust performance, these rectangular section compression springs conform to ISO 10243 (H) standards, guaranteeing precise dimensional tolerances and consistent strong spring rate characteristics. The distinctive red color code ensures immediate visual identification of heavy-load capacity, preventing misapplication and streamlining assembly processes in complex machinery.

Featuring rectangular wire construction, these springs provide greater stability and approximately 30% higher load capacity within equivalent spatial constraints compared to round-wire alternatives. Manufactured from premium chrome-silicon or chrome-vanadium alloy steel with optimized heat treatment, they deliver exceptional resistance to stress relaxation and maintain performance through prolonged cyclic loading under demanding conditions.

Primary Applications:

• Heavy-duty ejection systems in plastic injection molds and die-casting equipment

• High-pressure valves and clamping mechanisms in industrial automation

• Suspension components and brake systems in commercial vehicles

• Mining equipment and agricultural machinery requiring durable force elements

• Precision stamping dies and metal forming press applications

These springs represent the optimal solution for engineers seeking reliable high-force generation and maximum service life in severe operating environments, combining standardized quality with superior mechanical performance for critical industrial applications.

 

Size specification comparison table

Size specification comparison table

Nominal Diameter					10	10	10	10	10	10	10	10	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
D					×25	×32	×38	×44	×51	×64	×76	×305	×25	×32	×38	×44	×51	×64	×76	×89	×305
L0		Free length			25	32	38	44	51	64	76	305	25	32	38	44	51	64	76	89	305
D		Hole diameter	min=nominal size		10	10	10	10	10	10	10	10	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
			max		10.58	10.58	10.58	10.58	10.58	10.58	10.58	10.58	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2
d		Rod diameter	max=nominal size		5	5	5	5	5	5	5	5	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3
			min		4.52	4.52	4.52	4.52	4.52	4.52	4.52	4.52	5.72	5.72	5.72	5.72	5.72	5.72	5.72	5.72	5.72
Spring rate ±10%,N					23	17.5	14.8	13	11.2	9.2	7.5	1.9	42.1	33.2	29.3	24.6	19.6	15	13.2	11.4	3.2
Maximum operating deflection 30%L0					7.5	9.6	11.4	13.2	15.3	19.2	22.8	91.5	7.5	9.6	11.4	13.2	15.3	19.2	22.8	26.7	91.5
Force at maximum operating deflection,N					172.5	168	168.7	171.6	171.4	176.6	171	173.9	315.8	318.7	334	324.7	299.9	288	301	304.4	292.8
Nominal Diameter					16	16	16	16	16	16	16	16	16	16	20	20	20	20	20	20	20
D					×25	×32	×38	×44	×51	×64	×76	×89	×102	×305	×25	×32	×38	×44	×51	×64	×76
L0		Free length			25	32	38	44	51	64	76	89	102	305	25	32	38	44	51	64	76
D		Hole diameter	min=nominal size		16	16	16	16	16	16	16	16	16	16	20	20	20	20	20	20	20
			max		16.7	16.7	16.7	16.7	16.7	16.7	16.7	16.7	16.7	16.7	20.84	20.84	20.84	20.84	20.84	20.84	20.84
d		Rod diameter	max=nominal size		8	8	8	8	8	8	8	8	8	8	10	10	10	10	10	10	10
			min		7.42	7.42	7.42	7.42	7.42	7.42	7.42	7.42	7.42	7.42	9.42	9.42	9.42	9.42	9.42	9.42	9.42
Spring rate ±10%,N					75.7	60.2	50.8	42.8	37.1	30.3	25.7	21.7	18.9	6.3	216	168	129	112	94	72.1	59.7
Maximum operating deflection 30%L0					7.5	9.6	11.4	13.2	15.3	19.2	22.8	26.7	30.6	91.5	7.5	9.6	11.4	13.2	15.3	19.2	22.8
Force at maximum operating deflection,N					567.8	577.9	579.1	565	567.6	581.8	586	579.4	578.3	576.5	1620	1613	1471	1478	1438	1384	1361
Nominal Diameter					20	20	20	20	20	20	20	25	25	25	25	25	25	25	25	25	25
D					×89	×102	×115	×127	×139	×152	×305	×25	×32	×38	×44	×51	×64	×76	×89	×102	×115
L0		Free length			89	102	115	127	139	152	305	25	32	38	44	51	64	76	89	102	115
D		Hole diameter	min=nominal size		20	20	20	20	20	20	20	25	25	25	25	25	25	25	25	25	25
			max		20.84	20.84	20.84	20.84	20.84	20.84	20.84	25.84	25.84	25.84	25.84	25.84	25.84	25.84	25.84	25.84	25.84
d		Rod diameter	max=nominal size		10	10	10	10	10	10	10	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5
			min		9.42	9.42	9.42	9.42	9.42	9.42	9.42	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8	11.8
Spring rate ±10%,N					50.5	44.2	38.4	34.1	31	28.2	14	375	297	219	187	156	123	99	84	73	65
Maximum operating deflection 30%L0					26.7	30.6	34.5	38.1	41.7	45.6	91.5	7.5	9.6	11.4	13.2	15.3	19.2	22.8	26.7	30.6	34.5
Force at maximum operating deflection,N					1348	1353	1325	1299	1293	1286	1281	2813	2851	2497	2468	2387	2362	2257	2243	2234	2243
Nominal Diameter					25	25	25	25	25	25	32	32	32	32	32	32	32	32	32	32	32
D					×127	×139	×152	×178	×203	×305	×38	×44	×51	×64	×76	×89	×102	×115	×127	×139	×152
L0		Free length			127	139	152	178	203	305	38	44	51	64	76	89	102	115	127	139	152
D		Hole diameter	min=nominal size		25	25	25	25	25	25	32	32	32	32	32	32	32	32	32	32	32
			max		25.84	25.84	25.84	25.84	25.84	25.84	33	33	33	33	33	33	33	33	33	33	33
d		Rod diameter	max=nominal size		12.5	12.5	12.5	12.5	12.5	12.5	16	16	16	16	16	16	16	16	16	16	16
			min		11.8	11.8	11.8	11.8	11.8	11.8	15.3	15.3	15.3	15.3	15.3	15.3	15.3	15.3	15.3	15.3	15.3
Spring rate ±10%,N					57.7	52.7	47.8	41	35.8	22.9	388	324	272	212	172	141	122	107	93	86	78
Maximum operating deflection 30%L0					38.1	41.7	45.6	53.4	60.9	91.5	11.4	13.2	15.3	19.2	22.8	26.7	30.6	34.5	38.1	41.7	45.6
Force at maximum operating deflection,N					2198	2198	2180	2189	2180	2095	4423	4277	4162	4070	3922	3765	3733	3692	3543	3586	3557
Nominal Diameter					32	32	32	32	40	40	40	40	40	40	40	40	40	40	40	40	40
D					×178	×203	×254	×305	×51	×64	×76	×89	×102	×115	×127	×139	×152	×178	×203	×254	×305
L0		Free length			178	203	254	305	51	64	76	89	102	115	127	139	152	178	203	254	305
D		Hole diameter	min=nominal size		32	32	32	32	40	40	40	40	40	40	40	40	40	40	40	40	40
			max		33	33	33	33	41	41	41	41	41	41	41	41	41	41	41	41	41
d		Rod diameter	max=nominal size		16	16	16	16	20	20	20	20	20	20	20	20	20	20	20	20	20
			min		15.3	15.3	15.3	15.3	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16	19.16
Spring rate ±10%,N					67.2	59.1	46.4	38	350	269	219	190	163	142	128	115	105	89	77	61	51
Maximum operating deflection 30%L0					53.4	60.9	76.2	91.5	15.3	19.2	22.8	26.7	30.6	34.5	38.1	41.7	45.6	53.4	60.9	76.2	91.5
Force at maximum operating deflection,N					3588	3599	3536	3477	5355	5165	4993	5073	4988	4899	4877	4796	4788	4753	4689	4648	4667
Nominal Diameter					50	50	50	50	50	50	50	50	50	50	50	50
D					×64	×76	×89	×102	×115	×127	×139	×152	×178	×203	×254	×305
L0		Free length			64	76	89	102	115	127	139	152	178	203	254	305
D		Hole diameter	min=nominal size		50	50	50	50	50	50	50	50	50	50	50	50
			max		51	51	51	51	51	51	51	51	51	51	51	51
d		Rod diameter	max=nominal size		25	25	25	25	25	25	25	25	25	25	25	25
			min		24.16	24.16	24.16	24.16	24.16	24.16	24.16	24.16	24.16	24.16	24.16	24.16
Spring rate ±10%,N					413	339	288	245	215	192	168	154	134	117	89	73
Maximum operating deflection 30%L0					19.2	22.8	26.7	30.6	34.5	38.1	41.7	45.6	53.4	60.9	76.2	91.5
Force at maximum operating deflection,N					7930	7729	7690	7497	7418	7315	7006	7022	7156	7125	6782	6680

 

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