ASTM_A_681-08.pdf

Copyright ASTM International,100 Barr Harbor Drive,West Conshohocken,Pennsylvania 19428,USADistributed under ASTM license agreement by Shanghai Institute of Standardization(SIS)Tel:86-21-64370807A681-08TABLE 1Chemical Requirements,%AUNSCarbonManganesecPhos-SiliconChromiumVanadiumTungstenMolybdenumDesig-Sulfur.DTypephorusnationminmaxminmaxmaxmaxminmaxminmaxminmaxminmaxminmaxT20810H100.350.450.200.700.0300.0300.801.253.003.750.250.752.003.0020811H110.330.430200.600.0300.0300.801254.755500300.601.101.60T20812H120.300.400200.600.0300.0300.801.254.755.500.200.501.001.701.251.75T20813H130.320.450.200.600.0300.0300.801.254.755.500.801.201.101.75T20814H140.350.450200.600.0300.0300.801254.755.504.005.25T20819H190.320.450.200.500.0300.0300.150.504.004.751.752.203.754.500.300.55C04.00-4.5020821H210.260.360.150.400.0300.0300.150.503.003.750.300.608.5010.00T20822H220.300.400.150.400.0300.0300.150.401.753.750.250.5010.0011.75T20823H230.250.350.150.400.0300.0300.150.6011.0012.750.751.2511.0012.75T20824H240.420.530.150.400.0300.0300.150.402.503500.400.6014.0016.00T20825H250.220.320.150.400.0300.0300.150.403.754.500.400.6014.0016.00T20826260.450.5550.150.400.0300.0300.150.403.754.500.751.25172519.00T20841H410.600.7550.150.400.0300.0300.200.453.504.001.001.301.402.108.209.20T20842H420550.700.150.400.0300.0300200453.754501.752.205.506.754.505.50T20843H430.500.65E0.150.400.0300.0300.200.453.754.501802207758.50T301020.951.050.401.000.0300.0300.100.504.755.500.150.500.901.40T301031.201.300.400.600.0300.0300.100.704.755.500.801.400.901.40T301049g0.951.051.802.200.0300.0300.100.700.902.200.901.40T301050.951.052803.200.0300.0300.100.700.901400.90140T30106A60.650.751.802.500.0300.0300.100.700.901.400.901.40T301072.002.850.200.800.0300.0300.100.705.005.753.905.150.501.500.901.40T301080500.600.200.500.0300.0300.751.104.755501.001.501.151.65T301090.450.550.200.500.0300.0300.951.154.755.500.801.401.301.80N1.25-1.7530110A101251501602100.0300.0301.001501.25175N1.55-2.05T30402D21.401.600.100.600.0300.0300.100.6011.0013.000.501.100.701.20。，T30403D32.002.350.100.600.0300.0300.100.6011.0013.501.001.00T30404D42.052.400.100.600.0300.0300.100.6011.0013.000.151.000.701.20T30405D51.401.600.100.600.0300.0300.100.6011.0013.001.000.701.20C02.50-3.50T30407D2.152500.100.600.0300.0300.100.6011.5013.503.804.400.701.20T31501010.851.001.001.400.0300.0300.100.500.400.700.300.400.60。，T315020.850.951.401.800.0300.0300.500.500.300.3031506061.251.550301.100.0300.0300.551.500.300.200.30T315071.101.300.201.000.0300.0300.100.600.350.850.150.401.002.000.30419010.400.550.100.400.0300.0300.151.201.001800.150.301503.000.50T419020.400.550.300.500.0300.0300.901.200.500.300.60T41904q0.500.650.600.950.0300.0301.752.250.100.500.150.35年9nT41905S50.500.650.601.000.0300.0301752250.100.500.150.350.201.35T41906S60.400.501201.500.0300.0302.002.501.201.500.200.400.300.50，=T419070.450.550.200.900.0300.0300.201.003.003.500.351.301.80T61202L20.451.000.100.900.0300.0300.100.500.701.200.100.300.25T61203L30.951.100.250.8000300.100.501.301.700.100.30NickelT61206L60.650.750.250.8B000300.0300.100.500.601.200.501.252.0060601F10.951.250.500.0300.0300.100.501.001.75T606021.201.400.100.500.0300.0300.100.500.200.403.004.50T516020.100.100.400.0300.0300.100.400.751.25E0.150.400.100.50T51603P30.100.200.600.0300.0300.400.400.753 E1.001.50T51604P40.120.200.600.0300.0300.100.404.005250.40100T51605PS0.060.100.200.600.0300.0300.100.402.002.500.35T51606P60.050.150.350.700.0300.0300.100.401.251.75。t，9=”。3.253.75T51620P200280.400.601.000300.0300200.801402.000.300.55T51621P21F0.180.220.200.400.0300.0300.200.400.200.300.150.253.904.25A Chemistry limits include product analysis tolerances.Unless otherwise specified,nickel plus copper equal 0.75%max for all typesNew designation established in accordance with Practice E527 and SAEJ1086.c Manganese limit is 1.0%max for H13 resulfurized.Where specified,sulfur may be 0.06 to 0.15%to improve machinability.Available in several carbon ranges.Also contains 1.05-1.25 aluminummaterial.Lower limits of decarburization may be specified by10.Permissible Variations for Dimensionsagreement between the seller and purchaser.9.2 Material ordered as ground and polished or ground10.1 Permissible variations for dimensions shall not exceedfinished or machine finished shall be free of scale andthe applicable limits stated in Tables 9-28decarburization.ASTM International版本所有：10 0 Barr Harbor Drive,West ConshohockenPennsy I vania,19428,USA由上海市标准化研究院(SIS)根据ASTM协议进行销售地址：上海市长乐路1219/1227号邮编：200031联系电话：86-21-64370807Copyright ASTM International,100 Barr Harbor Drive,West Conshohocken,Pennsylvania 19428,USADistributed under ASTM license agreement by Shanghai Institute of Standardization(SIS)Tel:86-21-64370807A681-08TABLE 2Maximum Brinell Hardness in Annealed or Cold-Drawnindicate the pieces from which samples will be selected.ConditionOtherwise the seller shall report to the purchaser,or hisColdColdAnnealedAnnealedrepresentative,the results of the chemical analysis and theTypeDrawnTypeDrawnBHNBHNBHNBHNphysical and mechanical property tests made in accordanceH1022925501212241with this specification.H11235262021724113.3 The purchaser may perform any of the inspections setH122352626229241forth in this specification on the as-received material whereMna56241255such inspections are deemed necessary to ensure that suppliesH19229255and services conform to the prescribed requirements.H21H22405055504.05446217241262229255测25514.Rejection and Rehearing255H282822925514.1 Unless otherwise specified,any rejections based ontests made in accordance with this specification shall be1241reported to the seller within 30 days from the date of receipt ofH41241H422821236296262the material.H432C N14.2 Material that shows injurious defects subsequent to its207241235acceptance by the purchaser shall be rejected and the seller262A6402640490444028notified.114.3 Samples tested in accordance with this specification189that represent rejected material shall be preserved for 30 days13from the date of the test report.In case of dissatisfaction withA10285the results of the test,the seller may make claim for a rehearingP21Awithin that time.D3器26926915.Packaging,Loading,and Package Marking269D52526915.1 Packaging and Loading:D76227715.1.1 Unless otherwise specified,shipments shall be pack-A Normally furnished in prehardened condition.aged and loaded in accordance with Practices A 700.15.1.2 When specified in the contract or order,and for direct11.Workmanship,Finish,and Appearanceprocurement by or direct shipment to the government,when11.1 All alloy tool steels shall be free of heavy scale,deepLevel A is specified,preservation,packaging,and loading shallbe in accordance with the Level A requirement of MIL-STD-pitting,laps,porosity,injurious segregations,excessive non-163.metallic inclusions,seams,cracks,checks,slivers,scale marks,dents,soft and hard spots,pipes,or any defects that would15.2 Markings:detrimentally affect the suitability of the material after removal15.2.1 Shipments shall be properly marked with the name orof the recommended stock allowance.brand of manufacturer,purchasers name and order number,designation(ASTM A 681),heat number,grade or type,and12.Samplingwhere appropriate,the size,length,and weight.Unless other-12.1 Each particular shipment of a heat of steel by type,wise specified,method of marking is at the option of thesize,and shape shall be considered a lot and must conform tomanufacturer.the provisions of this specification.15.2.2 When specified in the contract or order,and for directprocurement by or direct shipment to the government,marking13.Inspectionfor shipment,in addition to any requirements specified in the13.1 Unless otherwise specified in the contract or purchasecontract or order,shall be in accordance with MIL-STD-163order,the supplier is responsible for the performance of allfor military agencies,and in accordance with Fed.Std.No.123for civil agencies.inspection requirements as specified herein.The supplier mayutilize his own facilities or any other acceptable to the15.2.3 For government procurement by the Defense Supplypurchaser.Agency,steel shall be continuously marked for identification in13.2 When specified in the purchase order,the inspectoraccordance with Fed.Std.No.183.representing the purchaser shall have access to the materialsubject to inspection for the purpose of witnessing the selection16.Keywordsof samples,preparation of test pieces,and performance of the16.1 alloy;cold work tool steels;decarburization;hardness;tests.For such tests,the inspector shall have the right tohot work tool steels;macrostructure;tool steelASTM International版本所有，.100 Barr Harbor Drive,West Conshohocken,Pennsylvania,19428._USA由上海市标准化研究院(S1S)根据ASTM协议进行销售地址：上海市长乐路1219/1227号邮编：200031联系电话：86-21-64370807Copyright ASTM International,100 Barr Harbor Drive,West Conshohocken,Pennsylvania 19428,USADistributed under ASTM license agreement by Shanghai Institute of Standardization(SIS)Tel:86-21-643708074A681-08TABLE 3 Heat-Treating RequirementsNorE 1-The austenitizing temperatures are stipulated for the response to hardening test only.Other combinations of austenitizing and temperingtemperatures may be used for particular applicationsNorE 2-Preheating temperature may be+25F(14C).but austenitizing and tempering temperatures shall be 10F(5.6C).If samples areaustenitized in salt,the sample shall be at the austenitizing temperature for the minimum time shown.If a controlled atmosphere furnace is used,thesample shall be at the austenitizing temperature for 5 to 15 min(10 to 20 min for D types).The time at temperature is the time after the sample reachesthe austenitizing temperature.This range of time is given because of the difficulty in determining when the sample reaches temperature in some typesof controlled atmosphere furnaces.NorE 3-Those steels tempered at 400F(204C)shall have a single 2-h temper,while those tempered at 950(510),1025(552),or 1200F(649C)shall be double-tempered for 2 h each cycle.NorE 4-The P types shall not be tested for response to heat treatment since P2 to P6 are used in the carburized condition and P20 are normallyfurnished in the prehardened condition.NorE 5-Specimens as described in 7.2 shall be capable of producing the specified minimum hardness when the stipulated heat treating parametersare used.Austenitizing Temperature.F(C)Preheat Temperature,TypeControlledAustenitiz-F(C)Quench MediumTemperingMinimumSalt BathAtmosphereing TimeTemperatureHardness,Furnaces(minutes)F(C)RCH101450(788)1850(10101875(1024)5-15Air1025(552)55H111450(7881825(996)1850(1010)5-151025(552)H121450(788)1825(996)1850(10105-151025552H131450(7881825(9961850(1010)5-15Air1025(552)52H141450(788)1900(1038)1925(1052)5-151025(552)H191450(788)2150(117772175(11915-151025(552)55H221450(7882150(11772175(1191】5-151025(552)1450(788)2150(117772175(1191)5-151025(552H231500(8162275(12462300(12605-15011200(649)42H241450(788)2200(1204)2225(1218)5-151025(552)H251450(788)2250(1232)2275(1246)5-151025(55254H261550(843)227512482300(1260)5-151025(552)H411450(788)2125(11632150(1177)5-151025(55280H421450(7882175(11912200(1204)5-151025(552H431450(788)2150(1177刀2175(1191)5-151025(552)1450(7881725(941)1750(954)5-15400(204刘80234678591501450788177596818009825-1A4002041250(6771550(843)1575(857015400(2041200(6491525(8291550(843)5-400(204)1500(816)1750(954)1775(968)】5-15400(204)8的1450(7881825(996)1850(10105-15950(5101450(788)1825(9961850(1010)5-159505101200(649)1475(802)1500(816)5-15400(2045656591500(816)1825(9961850(1010)10400(20488881500(816)175009541775(968)1020400(204)991500(8161800(9821825(996)10-20Air400(20462150081618259961850(101010-2400(2041500(8161925(10521950(106610-20400(204的821200(649)1450(788)1475(802)5-1400(2041200(649)1450(788)1475(802)5-15400(204)5951450(7881475(8025-15400(204)591200(649)1575(85716008715-158400(20460528569231250(6771725(941)1750(9545-15400(204261250(677)1625(885)1650(899)5-15Brine400(2041250(67716258851650(89915400(2045881250(6771625(8851650(8995-158400(20481450(788)1700(9271725(941)5-15400(2041250(677)1725(941)1750(954)5-15400(204561200(649)1575(8571600(871)5-15400(2041200(64915258291550(843)5-1501400(204)1200(6491500(8161525(8295-1501400(204581200(649j1525(829)1550(843)5-15Brine400(204)6F21200(649)1525(8291550(843)5-15Brine400(204)64A0.45-0.55carbon type.ASTM International版本所有：1 00 Barr Harbor Drive,West ConshohockenPennsyIvania,19428.USA由上海市标准化研究院(SS)根据ASTM协议进行销售地址：上海市长乐路1219/1227号邮编：200031联系电话：86-21-64370807