JPH0433998A - 鋼管の潤滑処理法 - Google Patents

鋼管の潤滑処理法

Info

Publication number
JPH0433998A
JPH0433998A JP2138590A JP13859090A JPH0433998A JP H0433998 A JPH0433998 A JP H0433998A JP 2138590 A JP2138590 A JP 2138590A JP 13859090 A JP13859090 A JP 13859090A JP H0433998 A JPH0433998 A JP H0433998A
Authority
JP
Japan
Prior art keywords
titanium
oil
steel pipe
weight
oils
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2138590A
Other languages
English (en)
Inventor
Yoshio Nagaei
永栄　義勇
Kouji Kanjiyou
冠城　孝二
Koji Totsugi
戸次　幸二
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nihon Parkerizing Co Ltd
Original Assignee
Nihon Parkerizing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nihon Parkerizing Co Ltd filed Critical Nihon Parkerizing Co Ltd
Priority to JP2138590A priority Critical patent/JPH0433998A/ja
Priority to PCT/US1991/003737 priority patent/WO1991018962A1/en
Priority to US07/952,746 priority patent/US5308654A/en
Priority to AU79746/91A priority patent/AU7974691A/en
Publication of JPH0433998A publication Critical patent/JPH0433998A/ja
Pending legal-status Critical Current

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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 ［産業上の利用分野］ 本発明は炭素鋼管例えば酸洗した鋼管、光輝焼鈍管、電
縫管などを冷間引抜き加工して平滑で金属光沢を有する
鋼管を得るための優れた潤滑処理法に関する。
［従来の技術］ 炭素鋼鋼管の冷間引抜き加工に際しては、前処理として
鋼管の表面にりん酸塩の化成皮膜を形成し、りん酸塩の
化成皮膜上に金属石けん液等を用いて潤滑皮膜を形成す
る方法が広く用いられている。しかしこの方法では、冷
間引抜き加工後の鋼管の表面に、りん酸塩や金属石けん
の一部がスケール状に固着して、鋼管の金属光沢が損な
われるという問題点がある。
特開昭６３−２１５７９７号によると、りん酸塩の化成
処理や金属石けん等を用いないため、前処理が容易で、
また金属光沢に優れた引抜き鋼管が得られる。また鋼管
の製造を主目的とした技術ではないが、特開昭６３−２
３８９２１号によると、金属光沢に優れた鋼線が得られ
る。しかし断面減少率や耐焼付性に関して一層の向上が
望まれている。
［発明が解決しようとする課題］ 即ち、冷間引抜き加工に際して鋼管に施す前処理として
は、高い断面減少率に冷間引抜き加工してもダイスやプ
ラグ等と焼きつく事が少ない前処理が好ましい１本発明
は金属光沢に優れた引抜き鋼管の製造が可能であり、か
つ高い断面減少率に冷間引抜き加工しても、ダイスやプ
ラグ等との焼きつきが特開昭６３−２１５７９７号や特
開昭６３−２３８９２１号よりも少ない鋼管の潤滑処理
法の提供を課題としている。
［ｉ１１題を解決するための手段］ 本発明は、（１）炭素鋼管を冷間引抜き加工前に。
チタン含有化合物とアルカリ性りん酸塩との反応生成物
から形成されるコロイダルチタンをチタンとして０．０
０１〜０．５ｇ／　ｆｉ金含有ているＰＨ８〜１１のコ
ロイダルチタン含有液と接触させたのち乾燥する。
この処理を行った炭素鋼管の表面に硫黄分が２３〜３０
％（重量％以下おなし）の油脂とオレフィンとの化合物
および硫黄分が２３〜３０％の高級エステル化合物とオ
レフィンとの化合物から選ばれる１種または２種以上の
混合物の４０〜９５％と、油溶性高分子化合物、油脂１
合成油、鉱物油、高級脂肪酸および高級脂肪酸のアミン
塩から選ばれる１種または２種以上を５〜５０％含みか
つ２０℃における粘度を１００〜３０００センチポイズ
の範囲内に調節した潤滑油を塗布することを特徴とする
鋼管の潤滑処理法であり、また（２）炭素鋼管を冷間引
抜き加工前に、チタン含有化合物とアルカリ性りん酸塩
との反応生成物から形成されるコロイダルチタンをチタ
ンとして０．００１〜０．５ｇ／ρ含有しているＰＨ８
〜１１のコロイダルチタン含有液と接触させたのち乾燥
し、次いでこの処理を行った炭素鋼管の表面に硫黄分が
２３〜３０％の油脂とオレフィンとの化合物および硫黄
分が２３〜３０％の高級エステル化合物とオレフィンと
の化合物から選ばれる１種または２種以上の混合物の４
０〜９５％と、油溶性高分子化合物、油脂１合成油、鉱
物油、高級脂肪酸および高級脂肪酸のアミン塩から選ば
れる１種または２種以上を５〜５０％とを含み更にりん
系極圧添加剤を含みかつ２０℃における粘度を１００〜
３０００センチポイズの範囲内に調節した潤滑油を塗布
することを特徴とする鋼管の潤滑処理法である。
以下に本発明を具体的に説明する。
本発明のコロイダルチタン液の製造に用いるチタン含有
化合物とアルカリ性りん酸塩は反応生成物からコロイダ
ルチタンを形成することを要件として選定される。チタ
ン含有化合物としてはチタンのオキシ酸塩例えば硫酸チ
タニル（ＴｉＳＯ，）、硝酸チタニル等を挙げることが
できるが、特に硫酸チタニルが好ましい。アルカリ性り
ん酸としては第二りん酸アルカリ金属塩例えば第二りん
酸ナトリウムが好ましく、また縮合りん酸塩例えばピロ
リン酸ナトリウムも適用できる。コロイダルチタンの濃
度はチタンとして０．００１〜０．５ｇ／　Ｑ、より好
ましくは０．０１〜０．５ｇ／　Ｑである。従って、こ
のような濃度となるように反応生成物の濃度を調節する
。コロイダルチタン含有液のＰＨは炭酸アルカリ金属塩
、水酸化アルカリ金属塩またはりん酸アルカリ金属塩を
加えることによってＰＨ８〜１１に調整することができ
る。具体的には炭酸ナトリウム、水酸化ナトリウム、第
２りん酸ナトリウム。
第３りん酸ナトリウム等を挙げることができるつＰ）Ｉ
値としてはより好ましくは９〜１０である。コロイダル
チタン含有液は液循環または攪拌手段にて適宜攪拌しな
から常温ないし約８０℃の温度に維持してその中に鋼管
を約２〜３分浸漬する。酸洗い鋼管のときは酸洗い後充
分に水洗してからコロイダルチタン含有液に移行させる
。この場合コロイダルチタン含有液のＰＨを８以上に保
持することが大切である。コロイダルチタン含有液に浸
漬した鋼管の乾燥性を好くするためには、コロイダルチ
タン含有液の温度を５０〜８０℃に加熱するのが好まし
い。コロイダルチタンの含有量がチタンとして０．００
１ｇ／　Ｑ未満の場合には鋼管表面へのチタンの吸着量
が不足して潤滑性の向上効果が不足し。
満足な潤滑性能を発揮しなくなる。逆に０．５ｇ／ｌよ
り多くしてもその効果が飽和しているので添加量に見合
った性能の向上を求めることができない。
Ｐ）Ｉが８未満ではチタンコロイドの分散性が低下する
ので鋼管表面へのチタンの吸着性を阻害する。
また１１以上にＰＨを上げてもその吸着性を向上させる
ことができない。
鋼管の表面に油性物質が付着している場合にはあらかじ
めアルカリ洗浄などにより除去する必要があるが、そう
でない場合にはアルカリ洗浄を行わないでコロイダルチ
タン含有液に浸漬することができる。鋼管の濡れ性を向
上させるためにコロイダルチタン含有液に例えば非イオ
ン界面活性剤を０．３ｇ／　Ｑ以下添加することができ
る。コロイダルチタン含有液と鋼管との接触は例えば浸
漬法によって行うが、特に限定するものではなく鋼管の
長さが比較的に短かい場合には鋼管内面を完全に濡らし
得る条件で流しかけあるいはスプレーなどで行うことも
できる。
以上の工程にて鋼管内外面にコロイダルチタン含有液を
接触させたのち液切りを行い乾燥して鋼管内外面にＴｌ
（０１（）ＰＯ４と想定されるチタン化合物とアルカリ
性りん酸塩との極めて薄い混合皮膜を析出形成させる。
この皮膜形成後の鋼管を略室温迄放冷したのち１本発明
で特定した潤滑油を常温で鋼管内外面に塗布する。
本発明において特定した潤滑油について説明する。先ず
構成成分の１つである。ａ、硫黄分が２３〜３０％の、
油脂とオレフィンとの化合物は１例えば不飽和動植物油
脂１モルにオレフィンのメルカプタン化合物１モルおよ
び硫黄を塩基性触媒（例えばジ−ｎ−ブチルアミン）の
存在のもとに１５０〜１６０℃で３時間反応させたのち
減圧蒸留を行って未反応留分を除去し、次いで約８０℃
で通気して硫化水素を除去して得られる。またす、硫黄
分が２３〜３０％の、高級エステル化合物とオレフィン
との化合物は５例えばオレイン酸とオレイルアルコール
とのエステル化合物１モルにオレフィンのメルカプタン
化合物１モルおよび硫黄を混じ塩基性触媒の存在下で、
前記と同様に処理して得られる。
以上ａ、ｂ、の各硫黄結合化合物の配合割合は。
ａ、ｂから選ばれる１種または２種以上の化合物が４０
〜９５重量％とする。この配合割合は潤滑性能を最高レ
ベルとするように実験的に求めたものである。
前述の硫黄結合化合物中の結合硫黄は１分子間結合にお
いてせいぜい原子数で６ケとされている。
結合硫黄含有量が高いものはその化合物の極圧性が高く
なるが、結合している脂肪酸トリグリセライド中の脂肪
酸の炭素数、オレフィンの羨素数などが硫黄量に反して
低くなっているので油性が低下するといった傾向を示す
。従って潤滑油の具備すべき極圧性と油性の双方を勘案
し、このような観点から有機化合物の種類によって適切
な硫黄結合範囲が決められる。
本発明においては前記ａ、ｂの硫黄結合化合物の硫黄量
は２３〜３０重量％である。２３％未満では極圧性が低
下して、鋼管の引抜き加工時に焼付きが発生しやすくな
る。又３０％を超える化合物は不安定であり硫黄が析出
する。ａ、ｂの硫黄量は、２５〜２９％がより好ましい
潤滑性能を示すことが詔められる。しかしなから潤滑性
はその油の粘度によっても影響されるので、２０℃にお
ける粘度が１００〜３０００センチポイズの範囲である
ことが必要である。それがためには、混合油の粘度が低
いときは５〜５０重量％の範囲で増粘剤、油脂、合成油
、高級脂肪酸、および高級脂肪酸のアミン塩などをさら
に配合して粘度を適切な値まで上げ、また逆に混合油の
粘度が高過ぎる場合には例えば低粘度合成油または低粘
度鉱油などを５〜５０重量％の範囲で配合して目標値ま
で下げる。
以上の如くにして２０℃における潤滑油の粘度を１００
〜３０００ボイズの範囲に調整する。
油溶性高分子化合物としては平均分子量が約５０００〜
３００，０００のポリイソブチレン系、平均分子量１０
，０００〜ｔ　、　ｏｏｏ　、　ｏｏｏのオレフィン共
重合体系（エチレン−プロピレン−ブチレン系）、平均
分子量２０゜０００〜ｔ、ｓｏｏ、ｏｏｏのポリメタク
リレート系が挙げられるが、好ましくはポリメタクリレ
ート系である。
ポリメタクリレートは下記−数式で示されるものから一
種以上を選んで用いることができる。
Ｒ’＝Ｈ又はＣＨ。
Ｘ＝極性基 前記構造式におけるＸの極性モノマーとしては、ジエチ
ルアミノエチルメタアクリレート（１）、２−メチル−
５−ビニルピリジン（ｌｌ）などのアミン、Ｎ−ビニル
ピロリジノン（ｍ）などのアミドポリアルキレングリコ
ールエステル（ＩＶ）や無水マレイン酸（■）などが挙
げられる。
油脂としては菜種油、ラード油、やし油、ひまし油、牛
脂等が挙げられ、また合成油としては例えばジオクチル
セバケート、ペンタエリスリトール誘導体等を挙げるこ
とができる。
鉱物油としては例えばマシン油が挙げられ、高級脂肪酸
としては動植物脂肪酸と合成脂肪酸が挙げられ、具体的
にはカプリル酸、カプリン酸、ラウリル酸、ミリスチン
酸、パルミチン酸、ステアリン酸、オレイン酸、リノー
ル酸、などが適用できる。また高級脂肪酸のアミン塩と
してはＣ１□〜Ｃ，ｚの１級アミン塩が挙げられ特に好
ましくはオレイルアミンである。
次に本発明の潤滑油は必要に応じてりん系極圧添加剤を
配合して高度の冷間引抜き加工性を向上させる。りん系
極圧添加剤は大別してりん酸エステルと亜りん酸エステ
ルとがあって、それらのものから任意に選んで配合する
ことができる。配合量は潤滑油に対し通常１〜２０％で
ある。
前者の添加剤に属するものとしては１例えばりん酸トリ
クレジル、りん酸トリｎ−アミン、りん酸トリｎ−ブチ
ル、りん酸ジプエニルクレジルなどが挙げられ、後者の
添加剤に属するものとしては１例えば亜りん酸トリｎ−
ブチル、亜りん酸トリｎ−オクチル、亜りん酸トリｎ−
デシル、亜りん酸トリイソデシル、亜りん酸トリフェニ
ル、亜りん酸ジフェニルデシル、亜りん酸トリクレジル
などを挙げることができる。
また本発明の潤滑油は１以上の成分の外に任意成分とし
て固体潤滑剤例えばタルク、グラファイト、窒化ボロン
、２硫化モリブデン、炭酸カルシウムなどから選ばれる
粉末を添加することができる。これらは高度の強冷間加
工における鋼材と引抜き工具の接触による焼付きをさら
に抑制する所謂「スペーサー」としての効果を付与する
もので。
この固体潤滑剤の添加によりさらに一層高度の強冷間加
工を可能とするものである。
さらに、本発明の潤滑油に対し任意成分として適量の界
面活性剤を配合し、冷間引抜きされたのちの鋼材表面に
残存する油膜の洗浄除去性を高めることができる。
［作用］ 本発明において、先ず第１段階で清浄な鋼管表面に形成
される極めて薄いチタン化合物系の皮膜はコロイダルチ
タンの持つ強い吸着性によって鋼管表面に強く密着し、
潤滑油の下地としてその潤滑性能を向上させる機能を発
揮する。
本発明にて特定した硫黄結合化合物を含有する潤滑油は
抽伸加工時に発生する熱により分解して。
反応性の高い硫黄が発生して、鋼管表面のＦｅと反応し
て、ＦｅＳ、　Ｆｅ、Ｓ等の皮膜を形成する。又りん系
極圧添加剤も熱により分解して、　ＦｅＰ系化合物の皮
膜を形成する。これらとチタン化合物系皮膜は共に油膜
の潤滑性を助は焼付きなどの防止に効果的に機能する。
また本発明で特定し光測滑油は理想的な極圧性と油性を
両立させたものであるので油膜の潤滑性が卓越している
ことなどにより。
りん酸亜鉛及膜を下地として適用しなくとも強度の冷間
引抜き加工を可能とし、抽伸歩留りが高く。
また金属光沢を有する鋼管を得ることができるといった
優れた作用効果を持つものである。
以下に本発明の実施例を比較例と共に挙げ、本発明の効
果を具体的に説明する。
［実施例コ 焼鈍したシームレス炭素鋼管（炭素含有量二０．１％、
直径：　５０．（１＋ａｍ、肉厚：　５．５ｍ＋ｉ）に
、第１表のＡからＥの工程を順次流して、コロイダルチ
タン含有液と接触させた。
尚第１表でコロイダルチタン処理は下記の如くに行った
。
コロイダルチタン含有液・・・硫酸チタニル：チタンと
して０．２ｇハ１りん酸２ナトリウム：　１４．Ｏｇ／
　Ｑ　。
Ｐ　Ｈ：　８．５、温度：６０〜７０℃。
第１表の前処理を行った鋼管に、第２表の本発明潤滑油
槽１，２．３の各潤滑油を塗布した。
潤滑油を塗布した鋼管を第３表の条件で、冷間引抜き加
工した。冷間引抜き加工の結果を第４表の実施側柵に示
した。
比較例４．５．６は第１表のコロイダルチタンの前処理
を行い、その後で、第２表の比較潤滑油槽４，５゜６に
示した従来の潤滑油を用い、第３表の冷間引抜き加工を
行った例である。
また、比較例１１．１２．１３は、本発明とは異なり。
第１表で示したコロイダルチタン処理を行わないで、前
処理として１％のＮａＯＨ水溶液（６０℃）に３０秒間
浸漬する前処理を行ったものである。また比較例１１．
１２．１３の潤滑油は、それぞれ第２表の１゜２．３で
ある。比較例１．１．１２．１３も第３表の冷間引抜き
加工を行った。
第　　３　　表　冷間引抜き加工条件 筒　　４　　シームレス鋼管の冷間引抜き加工結果第４
表に示したごとく、それぞれ１００本のシームレス鋼管
を冷間引抜き加工試験した結果、実施例の場合はダイス
焼付き発生率が　０〜１％であり、プラグ焼付きは全く
発生しなかった。これに対し比較例の場合は焼付き発生
が多く、５０本で中断した。ダイス焼付きは４〜２４％
、プラグ焼付きは１〜６％発生した。
以上の如く１本発明の実施例は何れも優れた冷間引抜き
加工の結果を示した。尚本発明の実施例の引抜き後の鋼
管の表面は何れも優れた金属光沢を有していた。
［発明の効果］ 以上説明したように、本発明は鋼材の表面に冷間引抜き
加工に適する優れた潤滑効果を付与するものであって、
かつ次のような効果も発揮する。
（イ）引抜き加工された表面は平滑で金属肌を有する。
（ロ）化成処理や石けん潤滑処理にみられるような多工
程を必要としないで処理設備が簡素化されかつ省エネル
ギー効果を持つ、 （ハ）ダイス、プラグ等との焼付きが少なく工具の寿命
を長くシ、かつより高い引抜き加工精度が得られる。

Claims (2)

    【特許請求の範囲】
  1. （１）炭素鋼管を冷間引抜き加工前に、チタン含有化合
    物とアルカリ性りん酸塩との反応生成物から形成される
    コロイダルチタンをチタンとして０．００１〜０．５ｇ
    ／ｌ含有しているＰＨ８〜１１のコロイダルチタン含有
    液と接触させたのち乾燥し、次いで硫黄分が２３〜３０
    重量％の油脂とオレフィンとの化合物および硫黄分が２
    ３〜３０重量％の高級エステル化合物とオレフィンとの
    化合物から選ばれる１種または２種以上の混合物４０〜
    ９５重量％と、油溶性高分子化合物、油脂、合成油、鉱
    物油、高級脂肪酸および高級脂肪酸のアミンから選ばれ
    る１種または２種以上の５〜５０重量％とを含みかつ２
    ０℃における粘度を１００〜３０００センチポイズの範
    囲内に調節した潤滑油を塗布することを特徴とする鋼管
    の潤滑処理法。
  2. （２）炭素鋼管を冷間引抜き加工前に、チタン含有化合
    物とアルカリ性りん酸塩との反応生成物から形成される
    コロイダルチタンをチタンとして０．００１〜０．５ｇ
    ／ｌ含有しているＰＨ８〜１１のコロイダルチタン含有
    液と接触させたのち乾燥し、次いで硫黄分が２３〜３０
    重量％の油脂とオレフィンとの化合物および硫黄分が２
    ３〜３０重量％の高級エステル化合物とオレフィンの化
    合物から選ばれる１種または２種以上の混合物４０〜９
    ５重量％と、油溶性高分子化合物、油脂、合成油、鉱物
    油、高級脂肪酸および高級脂肪のアミンから選ばれる１
    種または２種以上を５〜５０重量％とを含み、更にりん
    系極圧添加剤を含み、かつ２０℃における粘度を１００
    〜３０００センチポイズの範囲内に調節した潤滑油を塗
    布することを特徴とする鋼管の潤滑処理法。
JP2138590A 1990-05-30 1990-05-30 鋼管の潤滑処理法 Pending JPH0433998A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2138590A JPH0433998A (ja) 1990-05-30 1990-05-30 鋼管の潤滑処理法
PCT/US1991/003737 WO1991018962A1 (en) 1990-05-30 1991-05-29 Method for lubrificating steel tubing prior to cold drawing
US07/952,746 US5308654A (en) 1990-05-30 1991-05-29 Method for lubricating steel tubing prior to cold drawing
AU79746/91A AU7974691A (en) 1990-05-30 1991-05-29 Method for lubrificating steel tubing prior to cold drawing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2138590A JPH0433998A (ja) 1990-05-30 1990-05-30 鋼管の潤滑処理法

Publications (1)

Publication Number Publication Date
JPH0433998A true JPH0433998A (ja) 1992-02-05

Family

ID=15225657

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (3)

Country Link
JP (1) JPH0433998A (ja)
AU (1) AU7974691A (ja)
WO (1) WO1991018962A1 (ja)

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Publication number Priority date Publication date Assignee Title
CN104043665A (zh) * 2014-06-28 2014-09-17 张家港市华程异型钢管有限公司 异型钢管的拉拔工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003239804A1 (en) * 2002-04-23 2003-11-10 Henkel Kommanditgesellschaft Auf Aktien Lubricant used for drawing purposes
US9192973B1 (en) 2013-03-13 2015-11-24 Meier Tool & Engineering, Inc. Drawing process for titanium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63238921A (ja) * 1986-11-10 1988-10-05 Nippon Parkerizing Co Ltd 鉄鋼材料の引抜加工方法
JPH01256595A (ja) * 1988-04-07 1989-10-13 Nippon Parkerizing Co Ltd 鋼材の冷間引抜き加工用潤滑油

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Publication number Priority date Publication date Assignee Title
JPS6284192A (ja) * 1985-09-11 1987-04-17 Kobe Steel Ltd 金属の冷間加工用潤滑剤
JPS62236896A (ja) * 1986-04-08 1987-10-16 Nippon Parkerizing Co Ltd 鉄又はその合金の冷間引抜き潤滑方法
JP2579512B2 (ja) * 1988-01-25 1997-02-05 川崎製鉄 株式会社 鋼管の冷間引抜き加工方法
JP2583285B2 (ja) * 1988-07-07 1997-02-19 日本電装株式会社 金属材料の冷間塑性加工用水系潤滑処理液および処理方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63238921A (ja) * 1986-11-10 1988-10-05 Nippon Parkerizing Co Ltd 鉄鋼材料の引抜加工方法
JPH01256595A (ja) * 1988-04-07 1989-10-13 Nippon Parkerizing Co Ltd 鋼材の冷間引抜き加工用潤滑油

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104043665A (zh) * 2014-06-28 2014-09-17 张家港市华程异型钢管有限公司 异型钢管的拉拔工艺

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Publication number Publication date
AU7974691A (en) 1991-12-31
WO1991018962A1 (en) 1991-12-12

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