Efere ígwè carbonfọrọ nke nta ka ọ bụrụ na-agụnye ụkpụrụ niile nke efere ígwè / mpempe akwụkwọ.

1. ASTM A36 Standard

Standardkpụrụ ASTM A36 bụ ụkpụrụ a na-ahụkarị nke efere carbon steel.

2. ASTM A283 Ọkwa A, B, C Standard

Ọ bụkwa ihe a na-ahụkarị na nhazi carbon.

3. ASTM A516 Standard

ASTM A516 Standard bụ ụdị ọkọlọtọ maka igwe ọkụ, efere ígwè.

4. ASTM A537 Standard

ASTM A537 Standard bụ maka okpomoku agwọ ọrịa carbon ígwè dị na ngwakọta welded arịa nrụgide na efere nchara arụpụtara.

5. ASTM A573 Standard

ASTM A573 Standard bụ ụdị efere arụrụ arụ nke nwere carbon-manganese-silicon.

6. ASTM A572 Standard

ASTM A572 efere igwe ike dị elu karịa A36.Site na ibu dị ala.

7. ASTM A737 Standard

ASTM A737 Standard bụ maka igwe na-ekpo ọkụ, arịa nrụgide ígwè nke obere alloy steel.na wdg.

Ya mere, efere ígwè carbon nwere mkpuchi nke ukwuu maka ụdị efere ígwè dị iche iche na ụlọ ọrụ dị iche iche.