Name: Alloy spring steel flat bar for leaf spring with material SUP7
Brand: Qiangbang, Qiangbang
Availability: InStock

Product Details

Alloy spring steel flat bar for leaf spring with material SUP7

Product Chemical Composition (%)
STANDARD				C	Si	Mn	Cr	V	P	S
GB	SAE	JIS	DIN	C	Si	Mn	Cr	V	≤
65Mn	1066			0.62-0.70	0.17-0.37	0.90-1.20	≤0.25		0.035	0.035
60Si2Mn	9260	SUP6	60Si7	0.56-0.64	1.50-2.00	0.60-0.90	≤0.35		0.035	0.035
60Si2MnA	9260	SUP7	60Si7	0.56-0.64	1.60-2.00	0.60-0.90	≤0.35		0.025	0.025
55CrMnA	5155	SUP9	55Cr3	0.52-0.60	0.17-0.37	0.65-0.95	0.65-0.95		0.025	0.025
60CrMnA	5160/h	SUP9A		0.56-0.64	0.17-0.37	0.70-1.00	0.70-1.00		0.025	0.025
50CrVA	6150	SUP10	51CrV4	0.46-0.54	0.17-0.37	0.50-0.80	0.80-1.10	0.10-0.20	0.025	0.025
30CrMnB5				0.27-0.31	0.15-0.30	1.1-1.4	0.35-0.40		0.035

Product Mechanical Property(%)
STANDARD				Heat Treatment			Mechanical Property [≥]
GB	SAE	JIS	DIN	Quenching Temprature°C	Quenchant	Temper Stressing °C	Tensile Strength R_m/[N/mm²]	Yield Strength R_eL/[N/mm²]	HBW≤
65Mn	1066			830	Oil	540	980	785	302
60Si2Mn	9260	SUP6	60Si7	870		480	1275	1180	321
60Si2MnA	9260	SUP7	60Si7	870		440	1570	1375	321
55CrMnA	5155	SUP9	55Cr3	830-860		460-510	1225	1080(R_{po 2})	321
60CrMnA	5160/h	SUP9A		830-860		460-520	1225	1080(R_{po 2})	321
50CrVA	6150	SUP10	51CrV4	850		500	1275	1130	321

*SIZE CHART (WidthThickness: mm)**
40-50	57-63	63.5-69.9	70-75	76-79	80-89	90-100	101.6-127
40x6	57.15x6.35	63.5x6	70x6	76.2x74	80x7	90x10	101.6x9.5
42.27x7.94	57.15x6.65	63.5x6.35	70x7	76.2x8.2	80x7.4	90x11	101.6x9.52
44.45x4.76	57.15x7.4	63.5x6.65	70x7.4	76.2x9.14	80x8	90x12	101.6x10.2
44.45x6	57.15x9.14	63.5x7.4	70x8	76.2x10.2	80x9	90x13	101.6x10.7
44.45x6.35	57.15x9.52	63.5x8	70x9	76.2x11.1	80x10	90x14	101.6x11.1
44.45x6.65	57.15x10.2	63.5x8.2	70x10	76.2x11.35	80x11	90x15	101.6x11.35
44.45x8.2	57.2x10.2	63.5x8.66	70x11	76.2x12.67	80x12	90x22	101.6x12.67
44.5x6	59x6	63.5x9.1	70x12	76.2x12.7	80x13	90x26	101.6x12.7
44.5x9	60x6	63.5x9.14	70x13	76.2x12.88	80x14	90x30	101.6x14.2
45x6	60x7	63.5x11.35	70x14	76.2x16.8	80x15	99x11.5	101.6x20
45x7	60x8	63.5x12.7	70x15	76.2x19.05	80x16	100x8	101.6x20.02
45x9	60x9	63.5x15.88	70x20	76.2x20	80x22	100x10	102x9.2
49x7	60x10	64x8.2	70x21	76.2x20.6	80x23	100x14	102x14.2
50x6	60x11	65x7	70x25	76.2x25.4	80x25	100x18	105x8
50x7	60x12	65x12	75x5.8	76.2x28	80x31	100x23	110x12
50x12	60x13	69.9x11	75x6	79x10.5	80x35	100x25	110x23
50.8x6	60x14		75x8		88.9x9.52	100x30	120x20
50.8x7.4	60x15		75x9		89x20	100x40	120x25
50.8x8.2	60x16.5		75x10			100x43	127x20
50.8x9	60x22		75x11				127x25.4
50.8x10.2	63x9		75x13

Tianjin QIANGBANG Industrial Co., Ltd. has dedicated in steel industry

for almost 15 years.With rigorous quality control, advanced equipment,

skilled workers, we supply you with our high quality products and best service