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Tensile Strength Of Spring Steel Wire

Wire diameter / mm	Oil quenched and tempered carbon spring steel wire for valves (gb4359)	Oil quenched and tempered carbon spring steel wire (gb4360)		Tensile strength of oil quenched and tempered silicon manganese alloy spring steel wire (gb4361)			Oil quenched and tempered chrome silicon alloy spring steel wire for valves (gb4362)	Oil quenched and tempered chromium vanadium alloy spring steel wire for valves (gb2271)
Wire diameter / mm		Class A	Class B	Class A	Class B	Class C
1	–	–	–	–	–	–	–	1667
1.2	–	–	–	–	–	–	–	1667
1.4	–	–	–	–	–	–	–	1667
1.6	–	–	–	–	–	–	1961	1667
1.8	–	–	–	–	–	–	1961	1667
2	1422	1618	1716	1569	1667	1765	1912	1618
2.2	1422	1569	1667	1569	1667	1765	1912	1618
2.5	1422	1569	1667	1569	1667	1765	1912	1618
3	1422	1520	1618	1569	1667	1765	1912	1618
3.2	1422	1471	1569	1520	1618	1716	1863	1569
3.5	1422	1471	1569	1520	1618	1716	1863	1569
4	1422	1422	1520	1471	1569	1667	1814	1520
4.5	1373	1373	1471	1471	1569	1667	1814	1520
5	1373	1324	1422	1471	1569	1667	1765	1471
5.5	1324	1275	1373	1471	1569	1667	1765	1471
6	1324	1275	1373	1471	1569	1667	1716	1471
6.5	–	1275	1373	1471	1569	1667	1716	1422
7	–	1226	1324	1422	1520	1618	1667	1422
7.5	–	–	–	1422	1520	1618	–	–
8	–	1226	1324	1422	1520	1618	1667	1373
8.5	–	–	–	1422	1520	1618	–	–
9	–	1226	1324	1422	1520	1618	–	1373
9.5	–	–	–	1373	1471	1569	–	–
10	–	1177	1275	1373	1471	1569	–	1373
10.5	–	–	–	1373	1471	1569	–	–
11	–	1177	1275	1373	1471	1569	–	–
11.5	–	–	–	1373	1471	1569	–	–
12	–	1177	1275	1373	1471	1569	–	–
13	–	–	–	1373	1471	–	–	–
14	–	–	–	1373	1471	–	–	–

Note: the unit of this table is MPa.

Wire diameter / mm	Carbon spring steel wire gb4357			Piano steel wire gb4358			Spring stainless steel wire Yb (T) 11
Wire diameter / mm	Grade B	Grade C	Grade D	Group G1	Group G2	Group F	Group A	Group B	Group C
0.08	2400	2740	2840	2893	3187	–	1618	2157	–
0.09	2350	2690	2840	2844	3138	–	1618	2157	–
0.1	2300	2650	2790	2795	3080	–	1618	2157	–
0.12	2250	2600	2740	2746	3040	–	1618	2157	–
0.14	2200	2550	2740	2697	2991	–	1618	2157	1961
0.16	2150	2500	2690	2648	2942	–	1618	2157	1961
0.18	2150	2450	2690	2599	2883	–	1618	2157	1961
0.2	2150	2400	2690	2599	2844	–	1618	2157	1961
0.22	2110	2350	2690	–	–	–	–	–	–
0.23	–	–	–	2550	2795	–	1569	2059	1961
0.25	2060	2300	2640	–	–	–	–	–	–
0.26	–	–	–	2501	2746	–	1569	2059	1912
0.28	2010	2300	2640	–	–	–	–	–	–
0.29	–	–	–	2452	2697	–	1569	2059	1912
0.3	2010	2300	2640	–	–	–	–	–	–
0.32	1960	2250	2600	2403	2648	–	1569	2059	1912
0.35	1960	2250	2600	2403	2648	–	1569	2059	1912
0.4	1910	2250	2600	2364	2599	–	1569	2059	1912
0.45	1860	2200	2550	2305	2550	–	1569	1961	1814
0.5	1860	2200	2550	2305	2550	–	1569	1961	1814
0.55	1810	2150	2500	2256	2501	–	1569	1961	1814
0.6	1760	2110	2450	2206	2452	–	1569	1961	1814
0.65	1760	2110	2450	2206	2452	–	1569	1961	1814
0.7	1710	2060	2450	2158	2403	–	1569	1961	1814
0.8	1710	2010	2400	2108	2354	–	1471	1863	1765
0.9	1710	2010	2350	2108	2305	–	1471	1863	1765
1	1660	1960	2300	2059	2256	–	1471	1863	1765
1.2	1620	1910	2250	2010	2206	–	1373	1765	1667
1.4	1620	1860	2150	1961	2158	–	1373	1765	1667
1.6	1570	1810	2110	1912	2108	–	1324	1667	1569
1.8	1520	1760	2010	1883	2053	–	1324	1667	1569
2	1470	1710	1910	1814	2010	1716	1324	1667	1569
2.2	1420	1660	1810	–	–	–	–	–	–
2.3	–	–	–	1765	1961	1716	1275	1569	1471
2.5	1420	1660	1760	–	–	–	–	–	–
2.6	–	–	–	1765	1961	1667	1275	1569	1471
2.8	1370	1620	1710	–	–	–	–	–	–
2.9	–	–	–	1716	1912	1667	1177	1471	1373
3	1370	1570	1710	–	–	–	–	–	–
3.2	1320	1570	1660	1667	1863	1618	1177	1471	1373
3.4	1320	1570	1660	1667	1814	1618	1177	1471	1373
4	1320	1520	1620	1618	1765	1589	1177	1471	1373
4.5	1320	1520	1620	1569	1716	1520	1079	1373	1275
5	1320	1470	1570	1520	1667	1471	1079	1373	1275
5.5	1270	1470	1570	1471	1618	–	1079	1373	1275
6	1220	1420	1520	1422	1563	–	1079	1373	1275
6.5	1220	1420	–	–	–	–	981	1275	–
7	1170	1370	–	–	–	–	981	1275	–
8	1170	1370	–	–	–	–	981	1275	–
9	1130	1320	–	–	–	–	–	1128	–
10	1130	1320	–	–	–	–	–	981	–
11	1080	1270	–	–	–	–	–	–	–
12	1080	1270	–	–	–	–	–	883	–
13	1080	1220	–	–	–	–	–	–	–

Note: the unit of this table is MPa.

Tensile Strength Of Spring Steel Wire

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