SPCC bụ ọkọlọtọ Japanese (JIS) nchara “n'ozuzu yaoyi akpọrepu carbon ígwè mpempe akwụkwọna ígwè warara” aha, ọtụtụ mba ma ọ bụ ụlọ ọrụ na-eji kpọmkwem na-egosipụta onwe ha mmepụta nke yiri ígwè (dị ka Baosteel Q / BQB402 ọkọlọtọ nwere SPCC).
Na ọkọlọtọ JIS Japanese, mpempe akwụkwọ carbon na-ekpo ọkụ nwere SPCC, SPCD, SPCE na ụdị ndị ọzọ, n'ime nke abụọ a na-egosi na stampụ na ịgbanye mmiri na mpempe akwụkwọ oyi na-atụ oyi, nke dabara na 08AL carbon structural steel 08AL dị elu na China 13237 ọkọlọtọ na 08AL miri emi sachara ígwè na 5213 ọkọlọtọ.
SPCC pụtara n'ozuzu na-eji oyi akpọrepu carbon mpempe akwụkwọ, dakọtara na Q195-Q215A na China, emela stamping ule, mkpa iji hụ na tensile ule bụ, mgbe ika nọmba nke T maka SPCC-T ma ọ bụ SPCCT.
N'ọnọdụ ụfọdụ, nọmba SPCC ga-akọwapụta koodu njikwa mma ya na koodu nhazi elu. N'ime ha, koodu ngbanwe àgwà bụ: A -- ala na-ekpo ọkụ;S —— ọkọlọtọ mma mmezi;8 —— 1/8 siri ike;4 —— 1/4 ike;2 —— 1/2 ike;1 —— siri ike.
Koodu nhazi ihu: D —— ntugharị dị mma na-adịghị mma;B —— na-egbuke egbuke mma rolling.Dịka ihe atụ, SPCC-SD pụtara ọkọlọtọ àgwà ukpụhọde, dull ezi akpọrepu n'ozuzu oyi akpọrepu carbon mpempe akwụkwọ, SPCCT-SB pụtara ọkọlọtọ àgwà ukpụhọde, na-egbuke egbuke nhazi, oyi akpọrepu carbon mpempe akwụkwọ chọrọ iji hụ na n'ibu arụmọrụ mpempe akwụkwọ, na ya mere na.
Oge nzipu: Mee-18-2022