Ngwá ọrụ oyi na-arụ ọrụ ígwè D2 1.2379 SKD11 mpempe akwụkwọ

D2 na-enye ngwakọta dị irè nke nguzogide iyi na ike siri ike, arụmọrụ ngwá ọrụ, ọnụahịa, na ụdị ngwaahịa dị iche iche. Dịkwa ka ngwaahịa Electro-Slag-Remelted (ESR). 

1. Ọkwa:DIN1.2379/JIS SKD10/AISI D2/GB Cr12Mo1V1

2. Ọnọdụ: Na-ekpo ọkụ akpọrepu, Annealed, Black elu

3. Isi ike:≤255HBS  

ngwa:

A na-eji ígwè ọrụ AISI grade D2 maka ngwa ngwa ngwa na-arụ ọrụ ogologo oge, ebe nguzogide iyi dị mkpa, dị ka idebe ma ọ bụ ịkpụ anwụ na eri na-atụgharị na-anwụ.

Mejupụtara

nkọwa:

Njupụta: 0.278 lb/in3 (7695 n'arọ/m3)

Nnukwu njupụta: 7.70

Modulus nke ngbanwe: 30 x 106 psi (207GPa)

Ịrụ ọrụ: 

50-60% nke 1% carbon ígwè

Ịkpọ ọkụ: Iji belata mgbagha na nrụgide na nnukwu ngwaọrụ ma ọ bụ mgbagwoju anya jiri preheat okpukpu abụọ. 

Kpoo ọkụ n'ọsọ na-agaghị agafe 400°F kwa elekere (222°C kwa elekere) ruo 1150-1250°F (621-677°C) hahaha, wee kpoo ruo 1400-1450°F (760-788°C). 

Maka ngwaọrụ nkịtị, jiri naanị oke okpomọkụ nke abụọ dị ka otu ọgwụgwọ ikpo ọkụ.

Ịkwado (Ọkụ dị elu):Kpoo nwayọ nwayọ site na preheat. Ọkụ ma ọ bụ Nnu: 1850-1875°F (1010-1024°C).

Na-emenyụ:Ikuku ma ọ bụ gas na-arụ ọrụ ruo 150-125ºF (66-51ºC). Ogo ruru sentimita 4 (101.6 mm) n'ogo ga-esi ike mgbe ikuku jụrụ site na 1575ºF (857ºC). Ogo ruru sentimita 6 (152.4 mm) n'ogo ga-esi ike mgbe ikuku jụrụ site na 1625ºF (885ºC).

Na-ewe iwe:Iwe ozugbo emenyụchara. Jide na okpomọkụ maka 1 hour kwa inch (25.4 mm) nke ọkpụrụkpụ, awa 2 kacha nta, wee mee ka ikuku dị jụụ ruo okpomọkụ. Ụdị okpomọkụ a na-ahụkarị bụ 350 ruo 400ºF (177 ruo 204ºC).

Maka oke nguzogide iyi, iwe n'etiti 300-350°F (149-177°C) maka ike nke 62-64 HRC. Maka nguzozi kachasị mma n'etiti nguzogide iyi na ike siri ike, iwe dị n'etiti 500-550°F (260-288°C). Nke a ga-emepụta 58-60 HRC.

Maka oke siri ike, iwe ọkụ okpukpu abụọ, awa 2 gbakwunyere awa 2, na okpomọkụ karịrị 950°F (510°C). Nke a ga-emepụta ike nke na-erughị 58 HRC.

Iji belata nrụgide dị n'ime na mpaghara obe karịrị 6 sentimita (152.4 mm) na iji kwalite nkwụsi ike na ngwaọrụ ndị a ga-eme EDM'd mgbe ọgwụgwọ okpomọkụ gasịrị, oge itinye oge nke 4 ruo 6 awa na okpomọkụ dị n'okpuru 950 ° F (510 ° C). ) na-akwadosi ike.

Mgbakwunye:A ga-emerịrị mgbakasị ahụ mgbe arụchara ọrụ ọkụ na tupu ịmaliteghachi ike. Kpoo ọkụ na ọnụego agaghị agafe 400°F kwa elekere (222°C kwa elekere) ruo 1600-1650°F (871-899°C), ma jide na okpomọkụ maka 1 hour kwa inch (25.4mm) nke oke ọkpụrụkpụ; 2 awa kacha nta. Mgbe ahụ, jiri nwayọọ nwayọọ mee ka ọkụ ahụ dị jụụ na ọnụego agaghị agafe 50ºF kwa elekere (28°C kwa elekere) ruo 1000°F (538°C). Gaa n'ihu na-ajụkwa oyi ruo n'ọnọdụ okpomọkụ n'ime ọkụ ma ọ bụ n'ikuku. Isi ike ga-esi na ya pụta kwesịrị ịbụ 255 HBW kacha.