USA UNS G10700
SAE
Steel Number
1070
Corresponding Standard ASTM A682/A682M-2005
Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled, General Requirements For
Classification Carbon Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr ② ③ Ni Cu Mo
Minimum Value 0.65 0.15 0.6 - - - - - -
Maximum Value 0.75 0.3 0.9 0.03 0.035 0.25 0.3 0.3 0.1
* There is no specified limit on aluminum, vanadium, niobium, and titanium, but the analysis shall be reported.
① When agreed by purchaser and supplier, other silicon ranges are permissible.
② The sum of copper. nickel, chromium, and molybdenum shall not exceed 0.80 % on heat analysis. When one or more of these elements is specified, the sum does not apply, in which case only the individual limits on the remaining elements will apply.
③ When the chromium is specified or added for antigraphitization, the maximum shall be 1.40 wt. %.
New and Old Grade Replacement List
Corresponding Standard Grade
ASTM A682/A682M-2005
USA UNS
SAE
ASTM A684/A684M-2024
SAE
1 Approximate Comparison Table Spring Steel
China United States International Organization for Standardization France Russia Sweden United Kingdom
GB ISC AISI UNS ISO NF EN/NF GOST SS14 BS EN/BS
70 U20702 1070 G10700 Type DC XC70 70 1778 070A72
2 Approximate Comparison Table Wrought Aluminum and Aluminum Alloy
China Japan United States International Organization for Standardization Germany European Standard Russia
GB JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN GOST
1070 1070
A91070
1070 A91070 Al99.7 A91070 Al99.7 3.0275
A91070
EN-AW-Al99.7 АД00Е

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